Question: In which year was this place invented or discovered?

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Pulsar. on August 6, 1967 from a newly commissioned radio telescope that she helped build. Initially dismissed as radio interference by her supervisor, Antony Hewish, developer of the telescope, the fact that the signals always appeared at the same declination and right ascension soon ruled out a terrestrial source. On November 28, 1967, Bell and Hewish using a fast recorder resolved the signals as a series of pulses, evenly spaced every 1.33 seconds. No astronomical object of this nature had ever been observed before. On December 21, Bell discovered a second pulsar, quashing speculation that these might be signals beamed at.

Pulsar. name for intelligent beings of extraterrestrial origin).It was not until a second pulsating source was discovered in a different part of the sky that the "LGM hypothesis" was entirely abandoned. Their pulsar was later dubbed CP 1919, and is now known by a number of designators including PSR B1919+21 and PSR J1921+2153. Although CP 1919 emits in radio wavelengths, pulsars have subsequently been found to emit in visible light, X-ray, and gamma ray wavelengths.The word "pulsar" first appeared in print in 1968: The existence of neutron stars was first proposed by Walter Baade and Fritz Zwicky in 1934, when they.

Pulsar. argued that a small, dense star consisting primarily of neutrons would result from a supernova. Based on the idea of magnetic flux conservation from magnetic main sequence stars, Lodewijk Woltjer proposed in 1964 that such neutron stars might contain magnetic fields as large as 1014 to 1016 gausses (=1010 to 1012 teslas). In 1967, shortly before the discovery of pulsars, Franco Pacini suggested that a rotating neutron star with a magnetic field would emit radiation, and even noted that such energy could be pumped into a supernova remnant around a neutron star, such as the Crab Nebula. After the discovery.

Pulsar. of the first pulsar, Thomas Gold independently suggested a rotating neutron star model similar to that of Pacini, and explicitly argued that this model could explain the pulsed radiation observed by Bell Burnell and Hewish. In 1968, Richard V. E. Lovelace with collaborators discovered period formula_1 ms of the Crab Nebula pulsar using Arecibo Observatory.The discovery of the Crab pulsar provided confirmation of the rotating neutron star model of pulsars. The Crab pulsar 33-millisecond pulse period was too short to be consistent with other proposed models for pulsar emission. Moreover, the Crab pulsar is so named because it is located.

Pulsar. as a system of Galactic clocks. Disturbances in the clocks will be measurable at Earth. A disturbance from a passing gravitational wave will have a particular signature across the ensemble of pulsars, and will be thus detected.## Significant pulsars.The pulsars listed here were either the first discovered of its type, or represent an extreme of some type among the known pulsar population, such as having the shortest measured period. The first radio pulsar "CP 1919" (now known as PSR B1919+21), with a pulse period of 1.337 seconds and a pulse width of 0.04-second, was discovered in 1967. The first binary.


Question: What is the architectural style of this place?

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Blenheim Palace. and Bavarians in the War of the Spanish Succession, culminating in the Battle of Blenheim. The land was given as a gift, and construction began in 1705, with some financial support from Queen Anne. The project soon became the subject of political infighting, with the Crown cancelling further financial support in 1712, Marlborough's three-year voluntary exile to the Continent, the fall from influence of his duchess, and lasting damage to the reputation of the architect Sir John Vanbrugh.Designed in the rare, and short-lived, English Baroque style, architectural appreciation of the palace is as divided today as it was in the.


Question: Which historic county does this village belong to?

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Anderton Boat Lift. The Anderton Boat Lift is a two caisson lift lock near the village of Anderton, Cheshire, in North West England. It provides a 50 (ft) vertical link between two navigable waterways: the River Weaver and the Trent and Mersey Canal. The structure is designated as a scheduled monument, and is included in the National Heritage List for England; it is also known as one of the Seven Wonders of the Waterways.Built in 1875, the boat lift was in use for over 100 years until it was closed in 1983 due to corrosion. Restoration started in 2001 and the boat lift.

Anderton Boat Lift. was re-opened in 2002. The lift and associated visitor centre and exhibition are operated by the Canal & River Trust. It is one of only two working boat lifts in the United Kingdom; the other is the Falkirk Wheel in Scotland.## Economic background.Salt has been extracted from rock salt beds underneath the Cheshire Plain since Roman times. By the end of the 17th century a major salt mining industry had developed around the Cheshire "salt towns" of Northwich, Middlewich, Nantwich and Winsford.Completion of the River Weaver Navigation in 1734 provided a navigable route for transporting salt from Winsford, through Northwich,.

Anderton Boat Lift. Monuments in Cheshire (post-1539) List of waterway societies in the United Kingdom Strépy-Thieu boat lift – the world's second-tallest boat lift, in Le Rœulx, province of Hainaut, Belgium Falkirk Wheel Peterborough lift lock – the world's tallest hydraulic boat lift, in Peterborough, Ontario, Canada Foxton Inclined Plane – former inclined plane on the Grand Union Canal Canals of the United Kingdom Canals in Cheshire Anderton Boat Lift - Canal & River TrustOfficial Website for the trustLiverpool Echo article, 26 March 2002, £7m Lift for 19th century wonderThe Independent, London, 27 March 2002 Uplifting experience as 'Eiffel Tower of waterways' reopensBritish.


Question: On what date did this facility officially open?

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La Recoleta Cemetery. () and a church, Our Lady of Pilar ("), built in 1732.The order was disbanded in 1822, and the garden of the convent was converted into the first public cemetery in Buenos Aires. Inaugurated on 17 November of the same year under the name of " (Northern Cemetery), those responsible for its creation were the then-Governor Martin Rodríguez, who would be eventually buried in the cemetery, and government minister Bernardino Rivadavia.The 1822 layout was done by French civil engineer Próspero Catelin, who also designed the current facade of the Buenos Aires Metropolitan Cathedral. The cemetery was last remodeled in 1881,.


Question: What is the closest upper taxonomy of this insect?

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Dot-tailed whiteface. The dot-tailed whiteface (Leucorrhinia intacta) is a species of dragonfly in the family Libellulidae. It is also one of the most common and widespread in the genus "Leucorrhinia".## Identification.## Naiad.The naiad of the dot-tailed whiteface is very small with a length of 9/16 to 3/4 inch (14–19 mm). Its abdomen is rounded, giving it a short, stocky appearance known as the sprawler form. Its brown in color and marked with either three dark stripes or two rows of dark spots running the length of the underside of the abdomen. There are needle-shaped hooks on the top of abdominal segments three.

Dot-tailed whiteface. to "Sympetrum" species in appearance and behavior in some cases. It is also similar to the red-waisted whiteface, crimson-ringed whiteface, Canada whiteface, and boreal whiteface.## Conservation.Populations of dot-tailed whitefaces are widespread, abundant, and secure.Ordonates FrameNHL Dot-tailed WhitefaceWisconsin Odonata Survey - Leucorrhinia intactaDot-tailed Whiteface - Leucorrhinia intactaLeucorrhinia intacta (Dot-Tailed Whiteface).


Question: What is the weight of a female of this bird in gram?

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Least grebe. The least grebe ("Tachybaptus dominicus"), an aquatic bird, is the smallest member of the grebe family. It occurs in the New World from the southwestern United States and Mexico to Argentina, and also on Trinidad and Tobago, the Bahamas and the Greater Antilles.## Description.The least grebe ranges in length from 21 – 27 (cm) (depending on the subspecies) and in weight from 112 – 180 (g). Weights are variable based on region and subspecies, being smaller in Panama, where males weighed a mean of 129 (g) against the females 116 (g) and larger in the West Indies, where the sexes.


Question: What pattern, design or motif is applied to the surface of this material?

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Gingham. Gingham, also called Vichy check, is a medium-weight balanced plain-woven fabric typically with striped, check or plaid duotone patterns, in bright colour and in white made from dyed cotton or cotton-blend yarns. It is made of carded, medium or fine yarns.## History.The name may originate . Alternatively, it is speculated that the fabric now known as "gingham" may have been made at Guingamp, a town in Brittany, France, and that the fabric may be named after the town. Some sources say that the name came into English via Dutch. When originally imported into Europe in the 17th century, gingham was.

Gingham. a striped fabric, though now it is distinguished by its checkered pattern. From the mid-18th century, when it was being produced in the mills of Manchester, England, it started to be woven into checked or plaid patterns (often blue and white). Checked gingham became more common over time, though striped gingham was still available in the late Victorian period. The equivalent in the French language is the noun "vichy", from the town of Vichy in France. The same word is used in Spain where this pattern is called "cuadro vichy" or "estampado vichy".In the United States, the mass popularity of.


Question: Where is this plant native to?

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Eremalche rotundifolia. Eremalche rotundifolia, the desert five-spot, is a flowering plant in the family Malvaceae, native to the Mojave Desert and Colorado Desert in the Southwestern United States.Thisa dicot and annual herb is found in scrublands, desert flats, washes and open stony areas between 50 and 1,500 m in elevation. It can be found in Anza-Borrego Desert State Park and in Death Valley National Park in southern California. It can also be found in Nevada and Utah.Generally this wildflower is only found between March and May.## Description."Eremalche rotundifolia" is an annual plant growing to 8–60 cm tall, with rounded leaves 1.5–6 cm.

Eremalche rotundifolia. Flora Project: "Eremalche rotundifolia"USDA Plant Profile: "Eremalche rotundifolia"Mojave Desert Wildflowers, Jon Mark Stewart, 1998, pg. 132Calflora Database: "Eremalche rotundifolia" (Desert five spot)USDA Plants Profile for "Eremalche rotundifolia" (Desert fivespot).


Question: Who is the owner of this building?

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Castelo de Tomar. Castelo de Tomar is a castle in Portugal, where it is classified as a national monument. The Convento de Cristo was built inside its walls.The castle was built by King Afonso Henriques around 1160 on a strategic location, over a hill and near river Nabão. It has an outer defensive wall and a citadel ("alcáçova") with a keep inside. The keep, a central tower of residential and defensive functions, was introduced in Portugal by the Templars, and the one in Tomar is one of the oldest in the country. Another novelty introduced in Portugal by the Templars (learned from decades.


Question: Which city or region does this harbour locate in?

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Bristol Harbour. Bristol Harbour is the harbour in the city of Bristol, England. The harbour covers an area of 70 (acre). It is the former natural tidal river Avon through the city but was made into its current form in 1809 when the tide was prevented from going out permanently. A tidal by-pass was dug for 2 miles through the fields of Bedminster for the river, known as the "River Avon New Cut", "New Cut", or simply "The Cut". It is often called the Floating Harbour as the water level remains constant and it is not affected by the state of the.

Bristol Harbour. tide on the river in the Avon Gorge, The New Cut or the natural river southeast of Temple Meads to its source.Netham Lock at the east end of the 1809 Feeder Canal is the upstream limit of the floating harbour. Beyond the lock is a junction: on one arm the navigable River Avon continues upstream to Bath, and on the other arm is the tidal natural River Avon. The first 1 (mi) of the floating harbour, downstream from Netham Lock to Totterdown Basin, is an artificial canal known as the Feeder Canal, while the tidal River Avon follows its original.

Bristol Harbour. route. Downstream of Totterdown Basin, the floating harbour occupies the former natural course of the River Avon, whilst the tidal River Avon flows through an artificial channel known as the New Cut. This separation of the floating harbour and the tidal River Avon allows boats in the harbour to remain floating at low tide, reduces currents and silting and prevents flooding.Between Bristol Temple Meads railway station and Hotwells, the harbour and the River Avon run parallel at a distance of no more than 5/8 (mi) apart. Downstream of Bristol Temple Meads railway station, the floating harbour meanders through Bristol city.

Bristol Harbour. centre, Canon's Marsh and Hotwells. At Hotwells, the floating harbour rejoins the tidal River Avon, via a series of locks, and flows into the Avon Gorge.Bristol Harbour was the original Port of Bristol, but as ships and their cargo have increased in size, it has now largely been replaced by docks at Avonmouth and Portbury. These are located 7 (mi) downstream at the mouth of the River Avon.## History of Bristol docks.Bristol grew up on the banks of the Rivers Avon and Frome. Since the 13th century, the rivers have been modified for use as docks including the diversion of.

Bristol Harbour. the River Frome in the 1240s into an artificial "deep channel" known as "Saint Augustine's Reach", which flowed into the River Avon. Saint Augustine's Reach became the heart of Bristol's docks with its quays and wharfs. The River Avon within the gorge, and the River Severn into which it flows, has tides which fluctuate about 30 (ft) between high and low water. This means that the river is easily navigable at high tide but reduced to a muddy channel at low tide in which ships would often run aground. Ships had no option but to be stranded in the harbour.

Bristol Harbour. for unloading, giving rise to the phrase "shipshape and Bristol fashion" to describe how ships and their secured cargo were capable of taking the strain of repeated strandings on the mud.As early as 1420, vessels from Bristol were regularly travelling to Iceland and it is speculated that sailors from Bristol had made landfall in the Americas before Christopher Columbus or John Cabot. After Cabot arrived in Bristol, he proposed a scheme to the king, Henry VII, in which he proposed to reach Asia by sailing west across the north Atlantic. He estimated that this would be shorter and quicker than.

Bristol Harbour. Columbus' southerly route. The merchants of Bristol, operating under the name of the Society of Merchant Venturers, agreed to support his scheme. They had sponsored probes into the north Atlantic from the early 1480s, looking for possible trading opportunities. In 1552 Edward VI granted a Royal Charter to the Merchant Venturers to manage the port.By 1670, the city had 6,000 tons of shipping, of which half was used for importing tobacco. By the late 17th century and early 18th century, this shipping was also playing a significant role in the slave trade.## Construction of the floating harbour.In the 18th century,.

Bristol Harbour. the docks in Liverpool grew larger and so increased competition with Bristol for the tobacco trade. Coastal trade was also important, with the area called "Welsh Back" concentrating on trows with cargoes from the slate industry in Wales, stone, timber and coal. The limitations of Bristol's docks were causing problems to business, so in 1802 William Jessop proposed installing a dam and lock at Hotwells to create the harbour. The £530,000 scheme was approved by Parliament, and construction began in May 1804. The scheme included the construction of the Cumberland Basin, a large wide stretch of the harbour in Hotwells.

Bristol Harbour. where the Quay walls and bollards have listed building status.The tidal new cut was constructed from Netham to Hotwells, with another dam installed at this end of the harbour. The Feeder Canal between Temple Meads and Netham provided a link to the tidal river so that boats could continue upstream to Bath. However, the new scheme required a way to equalise the levels inside and outside the Dock for the passage of vessels to and from the Avon, and bridges to cross the water. Jessop built Cumberland Basin with two entrance locks from the tidal Avon, of widths 45 and.

Bristol Harbour. 35 (ft), and a 45 (ft) junction lock between the Basin and what became known as the Floating Harbour. This arrangement provided flexibility of operation with the Basin being used as a lock when there were large numbers of arrivals and sailings. The harbour was officially opened on 1 May 1809. The first vessel built in the Floating Harbour was .Patterson's yard within the harbour was used for the construction of many ships notably Brunel's in 1838 and the in 1843. They were some of the largest ships to have been built at the time, and ironically hastened the decline.

Bristol Harbour. of the city docks by proving the feasibility of large ships. The SS "Great Britain" was to be towed away from her builders, to have her 1,000 hp engines and interior fitted out on the River Thames, but her 48 (ft) beam was too big to pass through the lock. Thus the SS "Great Britain" was moored in the Floating Harbour until December 1844, before proceeding into Cumberland Basin after coping stones and lock gate platforms were removed from the Junction Lock. At one time there were dozens of Bristol shipyards, the largest in the harbour being Hilhouse, who became.

Bristol Harbour. Charles Hill & Sons in 1845.## 19th century improvements.The harbour cost more than anticipated and high rates were levied to repay loans, reducing any benefit the new harbour had at drawing companies back from Liverpool. In 1848 the city council bought the docks company to force down the rates. They employed Isambard Kingdom Brunel to make improvements, including new lock gates, a dredger and sluice gates designed to reduce siltation.By 1867, ships were getting larger and the meanders in the river Avon prevented vessels over 300 (ft) from reaching the harbour. A scheme to install a much larger lock at.

Bristol Harbour. Avonmouth to make the entire river a floating harbour, and to straighten the sharper bends, was dropped after work began on the much cheaper docks at Avonmouth and Portishead. The present entrance lock was designed by Thomas Howard and opened in July 1873. This has a width of 62 (ft) and is the only entrance lock now in use at the City Docks.From 1893 until 1934 the Clifton Rocks Railway provided a funicular railway link, inside the cliff face, from the western end of the harbour, which is close to the locks, into Clifton.## Railways.The original Bristol Harbour Railway was.

Bristol Harbour. a joint venture by the GWR and the Bristol and Exeter Railway, opened in 1872 between Temple Meads and the Floating Harbour. Its route included a tunnel under St Mary Redcliffe church and a steam-powered bascule bridge over the entrance locks at Bathurst Basin. In 1876 the railway was extended by 1/2 (mi) to Wapping Wharf. In 1906, new branches from the south via the Ashton Avenue swing bridge were built to Canons Marsh on the north side of the Floating Harbour and to Wapping via a line alongside the New Cut. A Coal Concentration Depot owned by Western Fuels.

Bristol Harbour. was established at Wapping Wharf just behind the Industrial Museum but this closed in 1987.## Underfall Yard.The docks maintenance facility was established on the land exposed by the damming of the river to construct the harbour and remains sited at this location to the present day. William Jessop had created a weir in the dam at Underfall to allow surplus water to flow back into the New Cut, this was known as the 'Overfall'. By the 1830s, the Floating Harbour was suffering from severe silting. Isambard Kingdom Brunel was, however, able to devise a solution to this problem. In place.

Bristol Harbour. of the Overfall he advised better use of three shallow sluices and one deep scouring sluice between the harbour and the New Cut, together with a dredging vessel. This drag boat would scrape the silt away from the quay walls. When the deep sluice opened at low tide, a powerful undertow sucked the silt into the river to be carried away on the next tide. The shallow sluices enabled adjustment of the dock water level according to weather conditions.Several old buildings, which date from the 1880s, remain at Underfall Yard and have listed building status. The octagonal brick and terracotta.

Bristol Harbour. chimney of the hydraulic engine house dates from 1888, and is grade II* listed, as is the hydraulic engine house itself. It is built of red brick with a slate roof and contains pumping machinery, installed in 1907 by Fullerton, Hodgart and Barclay of Paisley, which powers the dock's hydraulic system of cranes, bridges and locks. The former pattern-maker's shop and stores date from the same period and are grade II listed, as are the Patent slip and quay walls.## Warehouses.A large number of warehouses were built around the harbour for storage and trade. Many survive today and some are.

Bristol Harbour. being converted into apartment blocks but many have been demolished as part of the regeneration of the area.One which has survived is the A Bond Tobacco Warehouse, which was built in 1905 and was the first of the three brick built bonded warehouses in the Cumberland Basin, and is a grade II listed building.B Bond Warehouse dates from 1908 and was the first in Britain to use Edmond Coignet's reinforced concrete system. It is now used by Bristol City Council and houses Bristol Archives, the CREATE Centre and council offices.Robinson's Warehouse built in 1874 by William Bruce Gingell, and the.

Bristol Harbour. Granary on Welsh Back are examples of the Bristol Byzantine style with coloured brick and Moorish arches.The Arnolfini art gallery occupies Bush House, a 19th-century Grade II* listed tea warehouse. and the Watershed Media Centre occupies another disused warehouse.## 20th century improvements.In 1908, the Royal Edward Dock was built in Avonmouth and in 1972 the large deep water Royal Portbury Dock was constructed on the opposite side of the mouth of the Avon, making the Bristol City Docks in the floating harbour redundant as a freight dock. In 1977 Charles Hill & Sons, the last shipbuilder at the Albion Yard,.

Bristol Harbour. closed after delivering the 1,541 tonne beer tanker "Miranda Guinness". Part of the yard reopened in 1980 when Abels Shipbuilders began operating. It produce a steady stream of small ferries, survey vessels, tugs and other craft before going out of business in 2006.Amey Roadstone (formerly T R Brown and Holms Sand & Gravel) sand dredgers worked from Poole's Wharf in Hotwells until 1991. Occasionally coastal trading vessels enter the Cumberland Basin to be loaded with large steel silos manufactured by Braby Ltd at their nearby Ashton Gate works.The old Junction Lock swing bridge is powered by water pressure from the.

Bristol Harbour. Underfall Yard hydraulic engine house at 750 (psi). The new Plimsoll Bridge, completed in 1965, has a more modern electro-hydraulic system using oil at a pressure of 4480 (psi).## Regeneration of the harbourside.Since the 1980s, millions of pounds have been spent regenerating the harbourside.In 1999, Pero's Bridge was constructed, linking the @Bristol exhibition with Bristol tourist attractions. In 2000, the @Bristol centre opened on semi-derelict land at Canon's Marsh and some of the existing Grade II listed buildings were refurbished and reused. It was funded with £44.3 million from the National Lottery, the Millennium Commission, South West of England Regional.

Bristol Harbour. Development Agency, and a further £43.4 million from Bristol City Council and commercial partners, including Nestlé. Private investors are also constructing studio apartment buildings.The regeneration of the Canon's Marsh area is expected to cost £240 million. Crest Nicholson were the lead developers, constructing 450 new flats, homes and waterside offices. It is being carried out under the guidance of The Harbourside Sponsors’ Group, which is a partnership between the City Council, key stakeholders, developers, businesses, operators and funders.The Cumberland Basin & Baltic Wharf are used by a variety of small boats by Baltic Wharf Sailing Club and is surrounded by.

Bristol Harbour. tourist attractions. The old hydraulic pumping station has been converted into a pub and is a Grade II listed building.There are two (since 2016) active boat building companies in the harbour: Bristol Classic Boat Company and the Slipway Co-operative at the Underfall Yard.## The harbour today.The harbour is now a tourist attraction with museums, galleries, exhibitions, bars and nightclubs. Former workshops and warehouses have now largely been converted or replaced by cultural venues, such as the Arnolfini art gallery, Watershed media and arts centre, M Shed museum, Antlers Gallery and the We The Curious science exhibition centre, as well as.

Bristol Harbour. a number of fashionable apartment buildings. The Bristol Harbour Railway, operated by M Shed, runs between the museum and the CREATE Centre on some weekends and bank holidays. Historic boats are permanently berthed in the harbour. These include Isambard Kingdom Brunel's , which was the first iron-hulled and propeller-driven ocean liner; and a replica of the "Matthew", in which John Cabot sailed to North America in 1497. The historic vessels of M Shed museum, which include the steam tug "Mayflower", firefloat "Pyronaut" and motor tug "John King", are periodically operated.Bristol Ferry Boats and Number Seven Boat Trips operate ferry services.

Bristol Harbour. along the harbour from near Temple Meads station to the Underfall Yard, serving landing stages in the city centre and close to most of the harbour-side attractions. A separate cross-harbour ferry carries pedestrians from the ferry landing at the "Great Britain" to the new harbour inlet opposite. Bristol Packet Boat Trips offer regular harbour tours with commentaries and river cruises on the "Tower Belle" up the River Avon to Conham, Hanham and Bath and downstream to Avonmouth.In late July each year, the Bristol Harbour Festival is held, resulting in an influx of boats, including tall ships, Royal Navy vessels and.

Bristol Harbour. lifeboats. There is a bylaw that prohibit swimming in the docks, with a fine of up to £1,000 for infringement.## Events.Bristol Harbour hosts the Bristol Harbour Festival in July of each year, attended by tall ships and hundreds of ships and boats of all kinds. About 200,000 visitors view the boats, and watch live music, street performances and other entertainments.In 1996, the harbour was the setting for the first International Festival of the Sea. A larger version of the annual harbour festivals, this was attended by many tall ships, including the "Eye of the Wind", "Pride of Baltimore", "Rose", "Kaskelot.

Bristol Harbour. and "Earl of Pembroke". The key theme was John Cabot's pioneering voyage of discovery to the Americas and a replica of Cabot's ship, the "Matthew", was dedicated prior to its reenactment of Cabot's voyage the following year. In 2009, the 200th anniversary of the Floating Harbour was commemorated with a series of celebratory events.In June 2020, the statue of Bristol slave trader Edward Colston was pushed into the harbour by protestors, after being pulled down from its plinth, jumped upon and daubed in paint. Port of Bristol Bristol Harbour Festival Bristol Marina Bristol City Council: Harbour events and attractions Bristol.

Bristol Harbour. City Council: Marine and waterway services Maps of Bristol Harbour c1900 – West, East Bristol Floating Harbour Primary sources from Bristol Museums and Libraries.


Question: Who found this vehicle?

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Plymouth (automobile). binder twine, produced by the Plymouth Cordage Company, also of Plymouth. The name was chosen by Joe Frazer due to the popularity of the twine among farmers.The origins of Plymouth can be traced back to the Maxwell automobile. When Walter P. Chrysler took over control of the troubled Maxwell-Chalmers car company in the early 1920s, he inherited the Maxwell as part of the package. After he used the company's facilities to help create and launch the six-cylinder Chrysler automobile in 1924, he decided to create a lower-priced companion car, using lessons learned when he was running Buick under William Durant.


Question: Who is the creator of this object?

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Reflecting telescope. A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image. The reflecting telescope was invented in the 17th century by Isaac Newton as an alternative to the refracting telescope which, at that time, was a design that suffered from severe chromatic aberration. Although reflecting telescopes produce other types of optical aberrations, it is a design that allows for very large diameter objectives. Almost all of the major telescopes used in astronomy research are reflectors. Reflecting telescopes come in many design variations and may.

Reflecting telescope. employ extra optical elements to improve image quality or place the image in a mechanically advantageous position. Since reflecting telescopes use mirrors, the design is sometimes referred to as a catoptric telescope.From the time of Newton to the 1800s, the mirror itself was made of metal usually speculum metal. This type included Newton's first designs and even the largest telescopes of the 19th century, the Leviathan of Parsonstown with a 1.8 meter wide metal mirror. In the 19th century a new method using a block of glass coated with very thin layer of silver began to become more popular by.

Reflecting telescope. his telescope and five years before Hooke built the first such Gregorian telescope, Isaac Newton in 1668 built his own reflecting telescope, which is generally acknowledged as the first reflecting telescope. It used a spherically ground metal primary mirror and a small diagonal mirror in an optical configuration that has come to be known as the Newtonian telescope.Despite the theoretical advantages of the reflector design, the difficulty of construction and the poor performance of the speculum metal mirrors being used at the time meant it took over 100 years for them to become popular. Many of the advances in reflecting.

Reflecting telescope. useful for terrestrial observations. Some small spotting scopes are still built this way. There are several large modern telescopes that use a Gregorian configuration such as the Vatican Advanced Technology Telescope, the Magellan telescopes, the Large Binocular Telescope, and the Giant Magellan Telescope.## Newtonian.The Newtonian telescope was the first successful reflecting telescope, completed by Isaac Newton in 1668. It usually has a paraboloid primary mirror but at focal ratios of about f/10 or longer a spherical primary mirror can be sufficient for high visual resolution. A flat secondary mirror reflects the light to a focal plane at the side of.

Reflecting telescope. seldom faster than f/15.## Off-axis designs.There are several designs that try to avoid obstructing the incoming light by eliminating the secondary or moving any secondary element off the primary mirror's optical axis, commonly called off-axis optical systems.## Herschelian.The Herschelian reflector is named after William Herschel, who used this design to build very large telescopes including the 40-foot telescope in 1789. In the Herschelian reflector the primary mirror is tilted so the observer's head does not block the incoming light. Although this introduces geometrical aberrations, Herschel employed this design to avoid the use of a Newtonian secondary mirror since the speculum.


Question: What is the installed power capacity of this in megawatt?

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Battersea Power Station. Council.## Planning consent.The Council gave planning consent on 11 November 2010. REO hoped for construction to begin in 2011, but this has now been cancelled. The station structure itself was expected to be repaired and secure by 2016, with completion of the whole project by 2020. Plans now include the construction of 3,400 apartments and 3500000 (sqft) of office space. Approximately 28,000 inhabitants and 25,000 workers are expected to occupy the space once complete.## Lenders allow more time.Reuters reported on 1 September 2011 that lenders would allow more time for a new equity partner to be found:Lenders to the owner.

Battersea Power Station. with the Northern line extension and its new Battersea Power Station terminus completed in 2021. Circus West Village now has over 1500 residents and over 23 restaurants, cafes and retailers now open.WilkinsonEyre was appointed in 2013 to carry out the restoration of the Grade II* listed Power Station. Work commenced in 2013 and plans included the restoration of the art deco structure internally and externally, reconstruction of the chimneys, and refurbishment of the historic cranes and jetty as a new river taxi stop. Restoration work on the power station's chimneys was completed in 2017. In 2019, the jetty in front.

Battersea Power Station. provide "the gateway to the entire development and the new Northern line extension".## London Underground extension.The London Underground's Northern line has been extended to serve Nine Elms and the power station, branching off at Kennington station. Two stations, Nine Elms station and Battersea Power Station station, opened on 20 September 2021. The construction cost £1.1 billion and is 3 (km) long.## Apple.In September 2016, Apple announced plans to consolidate 1,400 London employees, from seven locations, at the station by 2021, occupying around 500,000 square feet of the power station building as its new London headquarters. The move was later delayed.


Question: What is the closest parent taxonomy of this insect?

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Sympetrum illotum. Sympetrum illotum, the cardinal meadowhawk, is a species of skimmer in the dragonfly family Libellulidae. It is found in the Caribbean Sea, Central America, North America, and South America.The IUCN conservation status of "Sympetrum illotum" is "LC", least concern, with no immediate threat to the species' survival. The population is stable. The IUCN status was reviewed in 2017.## Subspecies.These three subspecies belong to the species "Sympetrum illotum": "Sympetrum illotum gilvum" "Sympetrum illotum illotum" "Sympetrum illotum virgulum.


Question: What is the mohs' hardness of this material?

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Water. (1.473), benzene (1.501), carbon disulfide (1.627), and common types of glass (1.4 to 1.6). The refraction index of ice (1.31) is lower than that of liquid water.## Polar molecule.In a water molecule, the hydrogen atoms form a 104.5° angle with the oxygen atom. The hydrogen atoms are close to two corners of a tetrahedron centered on the oxygen. At the other two corners are "lone pairs" of valence electrons that do not participate in the bonding. In a perfect tetrahedron, the atoms would form a 109.5° angle, but the repulsion between the lone pairs is greater than the repulsion between.


Question: What is the closest parent taxonomy of this plant?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Calyptocarpus vialis. Calyptocarpus vialis is a species of flowering plant in the family Asteraceae. Common names for "C. vialis" include straggler daisy, horseherb, lawnflower, and creeping Cinderella-weed. It is native to south Texas, Mexico, Belize, Venezuela, and the Caribbean. It has also been introduced east of Texas, Argentina, Hawaii, India, Java, Australia, and Taiwan. It is one of only three species in the genus "Calyptocarpus".The opposite leaves are typically 1–3 (cm) long and triangular to lanceolate in shape. It bears heads of yellow flowers, with around 10–20 disc florets and 3–8 ray florets, the laminae of the latter around 2–5 (mm) long.

Calyptocarpus vialis. It flowers year round. It is a weedy species, found in lawns and along other disturbed areas such as roadsides and paths.


Question: What is the closest upper taxonomy of this bird?

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Turquoise-browed motmot. The turquoise-browed motmot ("Eumomota superciliosa") also known as Torogoz, is a colourful, medium-sized bird of the motmot family, Momotidae. It inhabits Central America from south-east Mexico (mostly the Yucatán Peninsula), to Costa Rica, where it is common and not considered threatened. It lives in fairly open habitats such as forest edge, gallery forest and scrubland. It is more conspicuous than other motmots, often perching in the open on wires and fences. From these perches it scans for prey, such as insects and small reptiles. White eggs (3–6) are laid in a long tunnel nest in an earth bank or sometimes.


Question: What is the source that produces this food?

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Melon. A melon is any of various plants of the family Cucurbitaceae with sweet, edible, and fleshy fruit. The word "melon" can refer to either the plant or specifically to the fruit. Botanically, a melon is a kind of berry, specifically a "pepo". The word "melon" derives from Latin "", which is the latinization of the Greek ("mēlopepōn"), meaning "melon", itself a compound of ("mēlon"), "apple, treefruit ("of any kind")" and ("pepōn"), amongst others "a kind of gourd or melon". Many different cultivars have been produced, particularly of cantaloupes.## History.Melons originated in Africa or in the hot valleys of Southwest Asia,.

Melon. especially Iran and India, from where they gradually began to appear in Europe toward the end of the Western Roman Empire. Melons are known to have been grown by the ancient Egyptians. However, recent discoveries of melon seeds dated between 1350 and 1120 BCE in Nuragic sacred wells have shown that melons were first brought to Europe by the Nuragic civilization of Sardinia during the Bronze Age. Melons were among the earliest plants to be domesticated in the Old World and among the first crop species brought by westerners to the New World. Early European settlers in the New World.

Melon. are recorded as growing honeydew and casaba melons as early as the 1600s. A number of Native American tribes in New Mexico, including Acoma, Cochiti, Isleta, Navajo, Santo Domingo and San Felipe, maintain a tradition of growing their own characteristic melon cultivars, derived from melons originally introduced by the Spanish. Organizations like Native Seeds/SEARCH have made an effort to collect and preserve these and other heritage seeds. Winter melon ("B. hispida") is the only member of the genus "Benincasa". The mature winter melon is a cooking vegetable that is widely used in Asia, especially in India. The immature melons are.

Melon. used as a culinary fruit (e.g., to make a distinctive fruit drink). Egusi ("C. lanatus") is a wild melon, similar in appearance to the watermelon. The flesh is inedible, but the seeds are a valuable food source in Africa. Other species that have the same culinary role, and that are also called egusi include "Cucumeropsis mannii" and "Lagenaria siceraria". Watermelon ("C. lanatus") originated in Africa, where evidence indicates that it has been cultivated for over 4,000 years. It is a popular summer fruit in all parts of the world.## Melons by genus.## "Cucumis".Melons in genus "Cucumis" are culinary fruits, and.

Melon. include the majority of culinary melons. All but a handful of culinary melon varieties belong to the species "Cucumis melo L." Horned melon ("C. metuliferus"), a traditional food plant in Africa with distinctive spikes. Now grown in California, Chile, Australia and New Zealand as well. Muskmelon ("C. melo") "C. melo cantalupensis", with skin that is rough and warty, not netted. The European cantaloupe, with lightly ribbed, pale green skin, was domesticated in the 18th century, in Cantalupo in Sabina, Italy, by the pope's gardener. It is also known as a 'rockmelon' in Australia and New Zealand. Varieties include the French.

Melon. "Charentais" and the Burpee Seeds hybrid "Netted Gem", introduced in the 19th century. The Yubari King is a highly prized Japanese cantaloupe cultivar. The Persian melon resemble a large cantaloupe with a darker green rind and a finer netting. "C. melo inodorus", casabas, honeydew, and Asian melons Argos, a large, oblong, with orange wrinkled skin, orange flesh, strong aroma. A characteristic is its pointed ends. Growing in some areas of Greece, from which it was named. Banana melon, an heirloom variety with salmon-colored flesh and an elongated banana shape and yellow rind Canary melon, a large, bright-yellow melon with a.

Melon. pale green to white inner flesh. Casaba, bright yellow, with a smooth, furrowed skin. Less flavorful than other melons, but keeps longer. Crenshaw melon, a hybrid between a Casaba melon and a Persian melon that is described to have a very sweet flavor Gaya melon, originally from Japan, a honeydew cultivar that is ivory in color and has a mild, sweet flavor Hami melon, originally from Hami, Xinjiang, China. Flesh is sweet and crisp. Honeydew, with a sweet, juicy, green-colored flesh. Grown as bailan melon in Lanzhou, China. There is a second variety which has yellow skin, white flesh and.

Melon. tastes like a moist pear. Honeymoon melon, a variety of honeydew with golden rind and bright green flesh and a sweet flavor Kajari melon, a sweet honeydew cultivar that is red-orange in color with green stripes reminiscent of a beach ball Kolkhoznitsa melon, with smooth, yellow skin and dense, white flesh. Japanese melons (including the Sprite melon). Korean melon, a yellow melon with white lines running across the fruit and white inside. Can be crisp and slightly sweet or juicy when left to ripen longer. Mirza melon, a large, cream-colored melon native to Central Asia with a sweet, savory flavor.

Melon. Oriental pickling melon Pixie melon, a sweet, palm-sized cantaloupe cultivar with a strange, cracked-looking netting (toad skin) or Santa Claus melon, with a blotchy green skin and white sweet-tasting flesh. Sugar melon a smooth, white, round fruit. Tiger melon, an orange, yellow and black striped melon from Turkey with a soft pulp. "C. melo reticulatus", true muskmelons, with netted (reticulated) skin. North American cantaloupe, distinct from the European cantaloupe, with the net-like skin pattern common to other "C. melo reticulatus" varieties. Galia (or Ogen), small and very juicy with either faint green or rosy pink flesh. Sharlyn melons, with taste.

Melon. between honeydew and cantaloupes, netted skin, greenish-orange rind, and white flesh. "C. melo agrestis", Wilder melon cultivars, with smooth skin, and tart or bland taste. Often confused with cucumbers (Dosakai, Lemon Cucumber, Pie Melons). "C. melo conomon", Conomon Melons, Pickling Melons, with smooth skin, and ranging from tart or bland taste (pickling melon) to mild sweetness in Korean Melon.Oriental Pickling melon, Korean Melon. Closely related to wilder melons (C Melo Var Agrestis). Modern crossbred varieties, e.g. Crenshaw (Casaba × Persian), Crane (Japanese × N.A. cantaloupe).## Production.In 2018, world production of melons was 27 million tonnes, led by China with 46%.

Melon. of the total (table). Turkey, Iran, and India each produced more than 1 million tonnes. Cucurbita – Squash (plant) List of culinary fruits List of gourds and squashes List of melon dishes Interregional Research Project IR-4 {Commonscatinline}}.


Question: What product does this item produce?

Instruction: Retrieve a Wikipedia paragraph that provides an answer to the given query about the image.

Power inverter. A power inverter, inverter or invertor is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). The resulting AC frequency obtained depends on the particular device employed. Inverters do the opposite of rectifiers which were originally large electromechanical devices converting AC to DC.The input voltage, output voltage and frequency, and overall power handling depend on the design of the specific device or circuitry. The inverter does not produce any power; the power is provided by the DC source.A power inverter can be entirely electronic or may be a combination of mechanical effects (such as.

Power inverter. a rotary apparatus) and electronic circuitry.Static inverters do not use moving parts in the conversion process.Power inverters are primarily used in electrical power applications where high currents and voltages are present; circuits that perform the same function for electronic signals, which usually have very low currents and voltages, are called oscillators. Circuits that perform the opposite function, converting AC to DC, are called rectifiers.## Input and output.## Input voltage.A typical power inverter device or circuit requires a stable DC power source capable of supplying enough current for the intended power demands of the system. The input voltage depends on the.

Power inverter. are two basic designs for producing household plug-in voltage from a lower-voltage DC source, the first of which uses a switching boost converter to produce a higher-voltage DC and then converts to AC. The second method converts DC to AC at battery level and uses a line-frequency transformer to create the output voltage.## Square wave.This is one of the simplest waveforms an inverter design can produce and is best suited to low-sensitivity applications such as lighting and heating. Square wave output can produce "humming" when connected to audio equipment and is generally unsuitable for sensitive electronics.## Sine wave.A power inverter.

Power inverter. device that produces a multiple step sinusoidal AC waveform is referred to as a "sine wave inverter". To more clearly distinguish the inverters with outputs of much less distortion than the "modified sine wave" (three-step) inverter designs, the manufacturers often use the phrase "pure sine wave inverter". Almost all consumer grade inverters that are sold as a "pure sine wave inverter" do not produce a smooth sine wave output at all, just a less choppy output than the square wave (two-step) and modified sine wave (three-step) inverters. However, this is not critical for most electronics as they deal with the.

Power inverter. output quite well.Where power inverter devices substitute for standard line power, a sine wave output is desirable because many electrical products are engineered to work best with a sine wave AC power source. The standard electric utility provides a sine wave, typically with minor imperfections but sometimes with significant distortion.Sine wave inverters with more than three steps in the wave output are more complex and have significantly higher cost than a modified sine wave, with only three steps, or square wave (one step) types of the same power handling. Switch-mode power supply (SMPS) devices, such as personal computers or DVD.

Power inverter. players, function on modified sine wave power. AC motors directly operated on non-sinusoidal power may produce extra heat, may have different speed-torque characteristics, or may produce more audible noise than when running on sinusoidal power.## Modified sine wave.The modified sine wave is the sum of two square waves, one of which is delayed one-quarter of the period with respect to the other. The result is a waveform which has voltage steps of zero, peak positive, zero, peak negative and again zero. This voltage value sequence is repeated continuously. The resultant voltage waveform better approximates the shape of a sinusoidal voltage.

Power inverter. entirely without problems, but if the item has a mains transformer, this can overheat depending on how marginally it is rated.However, the load may operate less efficiently owing to the harmonics associated with a modified sine wave and produce a humming noise during operation. This also affects the efficiency of the system as a whole, since the manufacturer's nominal conversion efficiency does not account for harmonics. Therefore, pure sine wave inverters may provide significantly higher efficiency than modified sine wave inverters.Most AC motors will run on MSW inverters with an efficiency reduction of about 20% owing to the harmonic content.

Power inverter. DC supply, in the manner of the MSN designs, but the switching takes place at a far faster rate, typically many KHz, so that the varying width of the pulses can be smoothed to create the sine wave. If a microprocessor is used to generate the switching timing, the harmonic content and efficiency can be closely controlled.## Output frequency.The AC output frequency of a power inverter device is usually the same as standard power line frequency, 50 or 60 hertz. The exception is in designs for motor driving, where a variable frequency results in a variable speed control.Also, if the.

Power inverter. output of the device or circuit is to be further conditioned (for example stepped up) then the frequency may be much higher for good transformer efficiency.## Output voltage.The AC output voltage of a power inverter is often regulated to be the same as the grid line voltage, typically 120 or 240 VAC at the distribution level, even when there are changes in the load that the inverter is driving. This allows the inverter to power numerous devices designed for standard line power.Some inverters also allow selectable or continuously variable output voltages.## Output power.A power inverter will often have an overall.

Power inverter. battery from the others.## Applications.## DC power source usage.An inverter converts the DC electricity from sources such as batteries or fuel cells to AC electricity. The electricity can be at any required voltage; in particular it can operate AC equipment designed for mains operation, or rectified to produce DC at any desired voltage.## Uninterruptible power supplies.An uninterruptible power supply (UPS) uses batteries and an inverter to supply AC power when mains power is not available. When mains power is restored, a rectifier supplies DC power to recharge the batteries.## Electric motor speed control.Inverter circuits designed to produce a variable output.

Power inverter. voltage range are often used within motor speed controllers.The DC power for the inverter section can be derived from a normal AC wall outlet or some other source. Control and feedback circuitry is used to adjust the final output of the inverter section which will ultimately determine the speed of the motor operating under its mechanical load. Motor speed control needs are numerous and include things like: industrial motor driven equipment, electric vehicles, rail transport systems, and power tools.Switching states are developed for positive, negative and zero voltages as per the patterns given in the switching Table 1. The generated.

Power inverter. gate pulses are given to each switch in accordance with the developed pattern and thus the output is obtained.## In refrigeration compressors.An inverter can be used to control the speed of the compressor motor to drive variable refrigerant flow in a refrigeration or air conditioning system to regulate system performance. Such installations are known as inverter compressors. Traditional methods of refrigeration regulation use single-speed compressors switched on and off periodically; inverter-equipped systems have a variable-frequency drive that control the speed of the motor and thus the compressor and cooling output. The variable-frequency AC from the inverter drives a brushless or.

Power inverter. induction motor, the speed of which is proportional to the frequency of the AC it is fed, so the compressor can be run at variable speeds—eliminating compressor stop-start cycles increases efficiency. A microcontroller typically monitors the temperature in the space to be cooled, and adjusts the speed of the compressor to maintain the desired temperature. The additional electronics and system hardware add cost to the equipment, but can result in substantial savings in operating costs. The first inverter air conditioners were released by Toshiba in 1981, in Japan.## Power grid.Grid-tied inverters are designed to feed into the electric power distribution.

Power inverter. hundred megawatts, are used to deliver power from high voltage direct current transmission systems to alternating current distribution systems.## Solar.A solar inverter is a balance of system (BOS) component of a photovoltaic system and can be used for both grid-connected and off-grid systems. Solar inverters have special functions adapted for use with photovoltaic arrays, including maximum power point tracking and anti-islanding protection.Solar micro-inverters differ from conventional inverters, as an individual micro-inverter is attached to each solar panel. This can improve the overall efficiency of the system. The output from several micro-inverters is then combined and often fed to the electrical.

Power inverter. grid.In other applications, a conventional inverter can be combined with a battery bank maintained by a solar charge controller. This combination of components is often referred to as a solar generator.Solar inverters are also used in spacecraft photovoltaic system.## Induction heating.Inverters convert low frequency main AC power to higher frequency for use in induction heating. To do this, AC power is first rectified to provide DC power. The inverter then changes the DC power to high frequency AC power. Due to the reduction in the number of DC sources employed, the structure becomes more reliable and the output voltage has.

Power inverter. higher resolution due to an increase in the number of steps so that the reference sinusoidal voltage can be better achieved. This configuration has recently become very popular in AC power supply and adjustable speed drive applications. This new inverter can avoid extra clamping diodes or voltage balancing capacitors.There are three kinds of level shifted modulation techniques, namely: Phase Opposition Disposition (POD) Alternative Phase Opposition Disposition (APOD) Phase Disposition (PD)## HVDC power transmission.With HVDC power transmission, AC power is rectified and high voltage DC power is transmitted to another location. At the receiving location, an inverter in a static inverter.

Power inverter. plant converts the power back to AC. The inverter must be synchronized with grid frequency and phase and minimize harmonic generation.## Electroshock weapons.Electroshock weapons and tasers have a DC/AC inverter to generate several tens of thousands of V AC out of a small 9 V DC battery. First the 9 V DC is converted to 400–2000 V AC with a compact high frequency transformer, which is then rectified and temporarily stored in a high voltage capacitor until a pre-set threshold voltage is reached. When the threshold (set by way of an airgap or TRIAC) is reached, the capacitor dumps its.

Power inverter. entire load into a pulse transformer which then steps it up to its final output voltage of 20–60 kV. A variant of the principle is also used in electronic flash and bug zappers, though they rely on a capacitor-based voltage multiplier to achieve their high voltage.## Miscellaneous.Typical applications for power inverters include: Portable consumer devices that allow the user to connect a battery, or set of batteries, to the device to produce AC power to run various electrical items such as lights, televisions, kitchen appliances, and power tools. Use in power generation systems such as electric utility companies or solar.

Power inverter. generating systems to convert DC power to AC power. Use within any larger electronic system where an engineering need exists for deriving an AC source from a DC source. Frequency conversion - if a user in (say) a 50 Hz country needs a 60 Hz supply to power equipment that is frequency-specific, such as a small motor or some electronics, it is possible to convert the frequency by running an inverter with a 60 Hz output from a DC source such as a 12V power supply running from the 50 Hz mains.## Circuit description.## Basic design.In one simple inverter circuit,.

Power inverter. DC power is connected to a transformer through the center tap of the primary winding. A relay switch is rapidly switched back and forth to allow current to flow back to the DC source following two alternate paths through one end of the primary winding and then the other. The alternation of the direction of current in the primary winding of the transformer produces alternating current (AC) in the secondary circuit.The electromechanical version of the switching device includes two stationary contacts and a spring supported moving contact. The spring holds the movable contact against one of the stationary contacts and.

Power inverter. provide large power handling capability in a semiconductor device, and can readily be controlled over a variable firing range.The switch in the simple inverter described above, when not coupled to an output transformer, produces a square voltage waveform due to its simple off and on nature as opposed to the sinusoidal waveform that is the usual waveform of an AC power supply. Using Fourier analysis, periodic waveforms are represented as the sum of an infinite series of sine waves. The sine wave that has the same frequency as the original waveform is called the fundamental component. The other sine waves,.

Power inverter. car that is moving can turn into a source of energy and can, with the right inverter topology (full H-bridge) charge the car battery when decelerating or braking. In a similar manner, the right topology (full H-bridge) can invert the roles of "source" and "load", that is, if for example the voltage is higher on the AC "load" side (by adding a solar inverter, similar to a gen-set, but solid state), energy can flow back into the DC "source" or battery.Based on the basic H-bridge topology, there are two different fundamental control strategies called basic frequency-variable bridge converter and PWM.

Power inverter. control. Here, in the left image of H-bridge circuit, the top left switch is named as "S1", and others are named as "S2, S3, S4" in counterclockwise order.For the basic frequency-variable bridge converter, the switches can be operated at the same frequency as the AC in the electric grid. However, it is the rate at which the switches open and close that determines the AC frequency. When S1 and S4 are on and the other two are off, the load is provided with positive voltage and vice versa. We could control the on-off states of the switches to adjust the.

Power inverter. AC magnitude and phase. We could also control the switches to eliminate certain harmonics. This includes controlling the switches to create notches, or 0-state regions, in the output waveform or adding the outputs of two or more converters in parallel that are phase shifted in respect to one another.Another method that can be used is PWM. Unlike the basic frequency-variable bridge converter, in the PWM controlling strategy, only two switches S3, S4 can operate at the frequency of the AC side or at any low frequency. The other two would switch much faster (typically 100 KHz) to create square voltages.

Power inverter. level of distortion caused by harmonics. The waveform quality of AC produced directly by H-bridge mentioned above would be not as good as we want.The issue of waveform quality can be addressed in many ways. Capacitors and inductors can be used to filter the waveform. If the design includes a transformer, filtering can be applied to the primary or the secondary side of the transformer or to both sides. Low-pass filters are applied to allow the fundamental component of the waveform to pass to the output while limiting the passage of the harmonic components. If the inverter is designed to.

Power inverter. provide power at a fixed frequency, a resonant filter can be used. For an adjustable frequency inverter, the filter must be tuned to a frequency that is above the maximum fundamental frequency.Since most loads contain inductance, feedback rectifiers or antiparallel diodes are often connected across each semiconductor switch to provide a path for the peak inductive load current when the switch is turned off. The antiparallel diodes are somewhat similar to the "freewheeling diodes" used in AC/DC converter circuits.Fourier analysis reveals that a waveform, like a square wave, that is anti-symmetrical about the 180 degree point contains only odd harmonics,.

Power inverter. simplifies the electronics, but the inductors and capacitors tend to be large and heavy. Its high efficiency makes this approach popular in large uninterruptible power supplies in data centers that run the inverter continuously in an "online" mode to avoid any switchover transient when power is lost.A closely related approach uses a ferroresonant transformer, also known as a constant voltage transformer, to remove harmonics and to store enough energy to sustain the load for a few AC cycles. This property makes them useful in standby power supplies to eliminate the switchover transient that otherwise occurs during a power failure while.

Power inverter. size and volume. In 2014, Google together with IEEE started an open competition named Little Box Challenge, with a prize money of $1,000,000, to build a (much) smaller power inverter.## History.## Early inverters.From the late nineteenth century through the middle of the twentieth century, DC-to-AC power conversion was accomplished using rotary converters or motor-generator sets (M-G sets). In the early twentieth century, vacuum tubes and gas-filled tubes began to be used as switches in inverter circuits. The most widely used type of tube was the thyratron.The origins of electromechanical inverters explain the source of the term "inverter". Early AC-to-DC converters.

Power inverter. used an induction or synchronous AC motor direct-connected to a generator (dynamo) so that the generator's commutator reversed its connections at exactly the right moments to produce DC. A later development is the synchronous converter, in which the motor and generator windings are combined into one armature, with slip rings at one end and a commutator at the other and only one field frame. The result with either is AC-in, DC-out. With an M-G set, the DC can be considered to be separately generated from the AC; with a synchronous converter, in a certain sense it can be considered to.

Power inverter. be "mechanically rectified AC". Given the right auxiliary and control equipment, an M-G set or rotary converter can be "run backwards", converting DC to AC. Hence an inverter is an inverted converter.## Controlled rectifier inverters.Since early transistors were not available with sufficient voltage and current ratings for most inverter applications, it was the 1957 introduction of the thyristor or silicon-controlled rectifier (SCR) that initiated the transition to solid state inverter circuits.The "commutation" requirements of SCRs are a key consideration in SCR circuit designs. SCRs do not turn off or "commutate" automatically when the gate control signal is shut off. They.

Power inverter. only turn off when the forward current is reduced to below the minimum holding current, which varies with each kind of SCR, through some external process. For SCRs connected to an AC power source, commutation occurs naturally every time the polarity of the source voltage reverses. SCRs connected to a DC power source usually require a means of forced commutation that forces the current to zero when commutation is required. The least complicated SCR circuits employ natural commutation rather than forced commutation. With the addition of forced commutation circuits, SCRs have been used in the types of inverter circuits described.

Power inverter. above.In applications where inverters transfer power from a DC power source to an AC power source, it is possible to use AC-to-DC controlled rectifier circuits operating in the inversion mode. In the inversion mode, a controlled rectifier circuit operates as a line commutated inverter. This type of operation can be used in HVDC power transmission systems and in regenerative braking operation of motor control systems.Another type of SCR inverter circuit is the current source input (CSI) inverter. A CSI inverter is the dual of a six-step voltage source inverter. With a current source inverter, the DC power supply is configured.

Power inverter. as a current source rather than a voltage source. The inverter SCRs are switched in a six-step sequence to direct the current to a three-phase AC load as a stepped current waveform. CSI inverter commutation methods include load commutation and parallel capacitor commutation. With both methods, the input current regulation assists the commutation. With load commutation, the load is a synchronous motor operated at a leading power factor.As they have become available in higher voltage and current ratings, semiconductors such as transistors or IGBTs that can be turned off by means of control signals have become the preferred switching components.

Power inverter. for use in inverter circuits.## Rectifier and inverter pulse numbers.Rectifier circuits are often classified by the number of current pulses that flow to the DC side of the rectifier per cycle of AC input voltage. A single-phase half-wave rectifier is a one-pulse circuit and a single-phase full-wave rectifier is a two-pulse circuit. A three-phase half-wave rectifier is a three-pulse circuit and a three-phase full-wave rectifier is a six-pulse circuit.With three-phase rectifiers, two or more rectifiers are sometimes connected in series or parallel to obtain higher voltage or current ratings. The rectifier inputs are supplied from special transformers that provide phase.

Power inverter. shifted outputs. This has the effect of phase multiplication. Six phases are obtained from two transformers, twelve phases from three transformers and so on. The associated rectifier circuits are 12-pulse rectifiers, 18-pulse rectifiers and so on...When controlled rectifier circuits are operated in the inversion mode, they would be classified by pulse number also. Rectifier circuits that have a higher pulse number have reduced harmonic content in the AC input current and reduced ripple in the DC output voltage. In the inversion mode, circuits that have a higher pulse number have lower harmonic content in the AC output voltage waveform.## Other.


Question: What is the closest upper taxonomy of this insect?

Instruction: Determine the Wikipedia snippet that matches the question of this image.

West Coast lady. The West Coast lady ("Vanessa annabella") is one of three North American species of brush-footed butterflies known colloquially as the "painted ladies". "V. annabella" occurs throughout much of the western US and southwestern Canada. The other two species are the cosmopolitan "Vanessa cardui" (painted lady) and the eastern "Vanessa virginiensis" (American painted lady). This species has also been considered a subspecies of the South American "Vanessa carye" and is frequently misspelled as "anabella".## Distinguishing features.Aside from general differences in distribution, "V. annabella" can be distinguished from the other two painted ladies of North America as follows:Most conspicuously, it lacks obvious.

West Coast lady. usually two eyespots are larger and have more conspicuous blue centers. In "V. virginiensis", these normally are the spot at each end of the row, whereas in the present species it is the two middle ones."Cynthia" (butterfly)"Vanessa carye"West Coast Lady, Butterflies of Canada.


Question: Where is this plant originally discovered?

Instruction: You have to find a Wikipedia segment that answers the question about the displayed image.

Olive. The olive, botanical name Olea europaea, meaning 'European olive' in Latin, is a species of small tree or shrub in the family Oleaceae, found traditionally in the Mediterranean Basin. When in shrub form, it is known as "Olea europaea" 'Montra', dwarf olive, or little olive. The species is cultivated in all the countries of the Mediterranean, as well as in Australia, New Zealand, North and South America and South Africa. "Olea europaea" is the type species for the genus "Olea".The olive's fruit, also called an "olive", is of major agricultural importance in the Mediterranean region as the source of olive.

Olive. oil; it is one of the core ingredients in Mediterranean cuisine. The tree and its fruit give their name to the plant family, which also includes species such as lilac, jasmine, forsythia, and the true ash tree.Thousands of cultivars of the olive tree are known. Olive cultivars may be used primarily for oil, eating, or both. Olives cultivated for consumption are generally referred to as "table olives". About 90% of all harvested olives are turned into oil, while about 10% are used as table olives.## Etymology.The word "olive" derives from Latin ' ("olive fruit", "olive tree"), possibly through Etruscan 𐌀𐌅𐌉𐌄𐌋𐌄.

Olive. ("eleiva") from the archaic Proto-Greek form *ἐλαίϝα (*"elaíwa") (Classic Greek ', "olive fruit", "olive tree"). The word "oil" originally meant "olive oil", from ', (', "olive oil"). Also in multiple other languages the word for "oil" ultimately derives from the name of this tree and its fruit. The oldest attested forms of the Greek words are the Mycenaean , ', and , ' or , "", written in the Linear B syllabic script.## Description.The olive tree, "Olea europaea", is an evergreen tree or shrub native to Mediterranean Europe, Asia, and Africa. It is short and squat and rarely exceeds 8.

Olive. when ripe, thinner-fleshed and smaller in wild plants than in orchard cultivars. Olives are harvested in the green to purple stage. Canned black olives have often been artificially blackened (see below on processing) and may contain the chemical ferrous gluconate to improve the appearance. "Olea europaea" contains a pyrena commonly referred to in American English as a "pit", and in British English as a "stone".## Taxonomy.The six natural subspecies of "Olea europaea" are distributed over a wide range:"Olea europaea" subsp. "europaea" (Mediterranean Basin)"Olea europaea" var. "sylvestris", considered the "wild" olive of the Mediterranean, is a variety characterized by a smaller.

Olive. consistent crops.## History.## Mediterranean Basin.Fossil evidence indicates the olive tree had its origins 20–40 million years ago in the Oligocene, in what is now corresponding to Italy and the eastern Mediterranean Basin. Around 100,000 years ago, olives were used by humans in Africa, on the Atlantic coast of Morocco, for fuel management and most probably for consumption. Wild oleasters were present and collected in the Eastern Mediterranean since ~19,000 BP. The genome of cultivated olives reflects their origin from oleaster populations in the Eastern Mediterranean. The olive plant was first cultivated some 7,000 years ago in Mediterranean regions.The cultivated olive.

Olive. Macedonia and other places around the Mediterranean, indicating that this genus is an original element of the Mediterranean flora. Fossilized leaves of "olea" were found in the palaeosols of the volcanic Greek island of Santorini and dated to about 37,000 BP. Imprints of larvae of olive whitefly "Aleurobus olivinus" were found on the leaves. The same insect is commonly found today on olive leaves, showing that the plant-animal co-evolutionary relations have not changed since that time. Other leaves found on the same island are dated back to 60,000 BP, making them the oldest known olives from the Mediterranean.## Outside the.

Olive. Mediterranean.Olives are not native to the Americas. Spanish colonists brought the olive to the New World, where its cultivation prospered in present-day Peru, Chile, and Argentina. The first seedlings from Spain were planted in Lima by Antonio de Rivera in 1560. Olive tree cultivation quickly spread along the valleys of South America's dry Pacific coast where the climate was similar to the Mediterranean. Spanish missionaries established the tree in the 18th century in California. It was first cultivated at Mission San Diego de Alcalá in 1769 or later around 1795. Orchards were started at other missions, but in 1838, an.

Olive. inspection found only two olive orchards in California. Cultivation for oil gradually became a highly successful commercial venture from the 1860s onward.In Japan, the first successful planting of olive trees happened in 1908 on Shodo Island, which became the cradle of olive cultivation in Japan. An estimated 865 million olive trees were in the world as of 2005, and the vast majority of these were found in Mediterranean countries, with traditionally marginal areas accounting for no more than 25% of olive-planted area and 10% of oil production.## Symbolic connotations.Olive oil has long been considered sacred and holy. The olive branch.

Olive. olive tree itself, as well as olive oil and olives, play an important role in the Bible.## Islam.The olive tree and olive oil are mentioned seven times in the Quran, and the olive is praised as a precious fruit. Olive tree and olive oil health benefits have been propounded in prophetic medicine. Muhammad is reported to have said: "Take oil of olive and massage with it – it is a blessed tree" (Sunan al-Darimi, 69:103). Olives are substitutes for dates (if not available) during Ramadan fasting, and olive tree leaves are used as incense in some Muslim Mediterranean countries.## United.

Olive. olive oil, fine wood, olive leaf, ornamental reasons, and the olive fruit. About 90% of all harvested olives are turned into oil, while about 10% are used as table olives. The olive is one of the "trinity" or "triad" of basic ingredients in Mediterranean cuisine, the other two being wheat for bread, pasta, and couscous; and the grape for wine.## Olive oil.Olive oil is a liquid fat obtained from olives, produced by pressing whole olives and extracting the oil. It is commonly used in cooking, for frying foods or as a salad dressing. It is also used in cosmetics, pharmaceuticals,.

Olive. the water treatment stage and involves a mixed yeast/bacteria ecosystem. Sometimes, the olives are lightly cracked with a blunt instrument to trigger fermentation and speed up the fermentation process. Once debittered, the olives are brined to concentrations of 8–12% NaCl and acid corrected and are then ready to eat.Salt-cured fermentationApplied only to ripe olives, since it is only a light fermentation. They are usually produced in Morocco, Turkey, and other eastern Mediterranean countries. Once picked, the olives are vigorously washed and packed in alternating layers with salt. The high concentration of salt draws the moisture out of olives, dehydrating and.

Olive. (55.6 (km)) as the limit. Modern experience does not always confirm this, and, though showing a preference for the coast, they have long been grown further inland in some areas with suitable climates, particularly in the southwestern Mediterranean (Iberia and northwest Africa) where winters are mild. An article on olive tree cultivation in Spain is brought down in Ibn al-'Awwam's 12th-century agricultural work, "Book on Agriculture".Olives are cultivated in many regions of the world with Mediterranean climates, such as South Africa, Chile, Peru, Pakistan, Australia, Oregon, and California, and in areas with temperate climates such as New Zealand. They are.

Olive. the most extensively cultivated fruit crops in the world. In 2011, about 9.6 (e6ha) were planted with olive trees, which is more than twice the amount of land devoted to apples, bananas, or mangoes. Only coconut trees and oil palms command more space. Cultivation area tripled from 2.6 to 7.95 (e6ha) between 1960 and 1998 and reached a peak of 10 (e6ha) in 2008. The 10 most-producing countries, according to the Food and Agriculture Organization, are all located in the Mediterranean region and produce 95% of the world's olives.## Nutrition.One hundred grams of cured green olives provide 146 calories, are.


Question: What is this place named after?

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Arch of Hadrian (Jerash). The Arch of Hadrian is an ancient Roman structure in Jerash, Jordan. It is an 11-metre high triple-arched gateway erected to honor the visit of Roman Emperor Hadrian to the city (then called Gerasa) in the winter of 129–130. The arch originally stood to almost 22 m and probably had wooden doors. It features some unconventional, possibly Nabataean, architectural features, such as acanthus bases. The columns are decorated with capitals at the bottom rather than the top. The monument served both as a commemorative arch and as an approach to Gerasa. The Arch's relative remoteness from the city walls points.

Arch of Hadrian (Jerash). to a plan for southward expansion of Gerasa during its heyday. The expansion, however, has not been implemented.## Description.In 2005, the arch was under restoration. Reconstruction was completed in 2007 and the arch is now roughly 21 meters high (about 36 feet), 37.45 meters long, and 9.25 meters wide. Each face of the arch has four engaged columns standing on pedestals and bases. Each pedestal is 2.20 meters high, 2.25 meters wide and 1.20 meters deep. The base of each column is topped by a row of acanthus leaves.There are three vaulted passageways on the lower level and each of.

Arch of Hadrian (Jerash). these is flanked by two columns with Corinthian capitals. The two flanked archways are topped with niches. Each niche is on top of a small entablature, which stands on two pilasters crowned with capitals.The arch was crowned with an attic, which might have held a dedicatory inscription. The lower part of the attic was decorated with a frieze of acanthus leaves and the central part was crowned with a triangular cornice.## Inscription.There was a marble "tabula ansata" panel that was 1.03 meters in height and 7.14 meters in width, with letters 12–13 cm tall.List of Roman triumphal archesArch of Hadrian.


Question: Who commissioned this building?

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Gate of All Nations. The Gate of All Nations (Old Persian: "duvarthim visadahyum") also known as the Gate of Xerxes, is located in the ruins of the ancient city of Persepolis, Iran.The construction of the Stairs of All Nations and the Gate of All Nations was ordered by the Achaemenid king Xerxes I (486-465 BC), the successor of the founder of Persepolis, Darius I the Great.## Building.The structure consisted of one large room whose roof was supported by four stone columns with bell-shaped bases. Parallel to the inner walls of this room ran a stone bench, interrupted at the doorways. The outside walls, made.


Question: What country does this facility belong to?

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La Recoleta Cemetery. La Recoleta Cemetery () is a cemetery located in the Recoleta neighbourhood of Buenos Aires, Argentina. It contains the graves of notable people, including Eva Perón, presidents of Argentina, Nobel Prize winners, the founder of the Argentine Navy, and military commanders like Julio Argentino Roca. In 2011, the BBC hailed it as one of the world's best cemeteries, and in 2013, CNN listed it among the 10 most beautiful cemeteries in the world.## History.Franciscan Recollect monks () arrived in this area, then the outskirts of Buenos Aires, in the early eighteenth century. The cemetery is built around the Recollect Convent.

La Recoleta Cemetery. imported from Paris and Milan. The entire cemetery is laid out in sections like city blocks, with wide tree-lined main walkways branching into sidewalks filled with mausoleums. These mausoleums are still being used by rich families in Argentina that have their own vault and keep their deceased there.While many of the mausoleums are in fine shape and well-maintained, others have fallen into disrepair. Several can be found with broken glass and littered with rubbish. Among many memorials are works by notable Argentine sculptors, Lola Mora and Luis Perlotti for instance. The tomb of Liliana Crociati de Szaszak, due to its.


Question: What is the closest parent taxonomy of this plant?

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Asplenium rhizophyllum. Asplenium rhizophyllum, the (American) walking fern, is a frequently-occurring fern native to North America. It is a close relative of "Asplenium ruprechtii" (syn: "Camptosorus sibiricus") which is found in East Asia and also goes by the common name of "walking fern".## Description."Asplenium rhizophyllum" is a small fern whose undivided, evergreen leaves and long, narrow leaf tips, sometimes curving back and rooting, give it a highly distinctive appearance. It grows in tufts, often surrounded by child plants formed from the leaf tips. The leaves of younger plants tend to lie flat to the ground, while older plants have leaves more erect.

Asplenium rhizophyllum. or arching.## Roots and rhizomes.It does not spread and form new plants via the roots. Its rhizomes (underground stems) are upright or nearly so, short, about 1 (mm) in diameter, and generally unbranched. They bear dark brown or blackish, narrowly triangular or lance-shaped scales which are strongly clathrate (bearing a lattice-like pattern). The scales are 2 to 3 (mm) long and 0.5 to 1 (mm) wide (occasionally as narrow as 0.2 (mm)) with untoothed margins.## Leaves.The stipe (the stalk of the leaf, below the blade) is 0.5 to 12 (cm) long (occasionally up to 15 (cm) long), and ranges from.

Asplenium rhizophyllum. one-tenth to one and one-half times the length of the blade. The stipe is reddish-brown and sometimes shiny at the base, becoming green above, and narrowly winged. Scales like those of the rhizome are present at the stipe base, changing to tiny club-shaped hairs above.The leaf blades are not subdivided, as in most other ferns, but are narrowly triangular to linear or lance-shaped. Their shape can be quite variable, even on the same plant. They measure from 1 to 30 (cm) long and from 0.5 to 5 (cm) across and have a leathery texture with sparse hairs, more abundant below.

Asplenium rhizophyllum. than above. The rachis (leaf axis) is dull green in color and almost devoid of hairs. On the underside of the blade, the veins are difficult to see and anastomose (split and rejoin each other), forming a series of areoles (the small areas enclosed by the veins) near the rachis. Fertile fronds are usually larger than sterile fronds, but their shape is otherwise the same. The base of the blade is typically heart-shaped (with the stipe protruding from the cleft); the bulges on either side of the cleft are frequently enlarged into auricles (rounded lobes), or occasionally into sharply-pointed, tapering.

Asplenium rhizophyllum. lobes. The leaf tips may be rounded but are typically very long and attenuate (drawn out); the attenuate tips are capable of sprouting roots and growing into a new plant when the tip touches a surface suitable for growth. On rare occasions, the auricles at the leaf base will also take on an attenuate shape and form roots at the tip. The ability of the leaf tips to root and form a new plant at some distance from the parent gives the species its common name. The young leaves forming from a bud at the leaf tip are round to.

Asplenium rhizophyllum. pointed at their apex, not yet having developed the long-attenuate shape.Specimens of "A. rhizophyllum" with forked blades have been found in Arkansas and Missouri. The fork usually occurs in the tip, perhaps due to growth after insect damage, but one specimen was found forking from the upper part of the stipe.## Sori and spores.Fertile fronds bear a large number of sori underneath, 1 to 4 (mm) long, which are not arranged in any particular order. The sori are often fused where veins join, and may curve to follow the vein to which they are attached. The sori are covered by.

Asplenium rhizophyllum. inconspicuous thin, white indusia with untoothed edges. Each sporangium in a sorus carries 64 spores. The diploid sporophyte has a chromosome number of 72.## Similar species.The leaf shape and proliferating tips easily distinguish "A. rhizophyllum" from most other ferns. Its hybrid descendants share the long-attenuate leaf tip, but are more deeply lobed. An artificial backcross between "A. rhizophyllum" and "A. tutwilerae" was closer to "A. rhizophyllum" in morphology, but still remained some lobes in the basal part of the blade, had a shallowly undulating, rather than smoothly curved, leaf edge in the apical part, showed a maroon color in the.

Asplenium rhizophyllum. stipe up to the base of the leaf blade, and possessed the abortive spores of a sterile hybrid. "A. ruprechtii", the Asian walking fern, also possesses attenuate, proliferating tips, but has a lanceolate leaf blade, which tapers to a wedge at the base rather than forming a heart shape. "A. scolopendrium", the hart's-tongue fern, has larger, longer leaves that are glossy with a rounded tip.## Taxonomy.This species is commonly known as North American walking fern or simply walking fern, because the growth of new plants at the leaf tip allows it to "walk" across surfaces over several generations. The specific.

Asplenium rhizophyllum. epithet "rhizophyllum", meaning "root leaf", also reflects this characteristic.Linnaeus first gave the walking fern the binomial "Asplenium rhizophyllum" in his "Species Plantarum" of 1753. In 1833, J.H.F. Link placed the species in a segregate genus, "Camptosorus", because of the irregular arrangement of its sori (in contrast to the rest of "Asplenium", where the sori are confined to the edge of veins). John Smith did not feel that this character was sufficient to segregate it from the rest of "Asplenium", but placed it in the genus "Antigramma", another "Asplenium" segregate, on the basis of its reticulate venation, to the convolutions of.

Asplenium rhizophyllum. which he attributed the soral arrangement. It was commonly placed either in "Asplenium" and "Camptosorus" by later authors, the latter genus including the similar Asian species "A. ruprechtii" but phylogenetic studies have shown that "Camptosorus" is nested within "Asplenium" and its species should be treated as part of that genus. The name "Asplenium rhizophyllum" has also been applied to two other species; in current botanical practice, these are illegitimate later homonyms of Linnaeus' name of 1753. The first of these homonyms was created by Linnaeus himself in 1763, when he accidentally used the name twice, applying it first to his.

Asplenium rhizophyllum. original taxon and again to a species from the West Indies which also proliferates at the leaf tips. He had referred to the West Indian species as "A. radicans" in 1759, the name by which it is known today. In 1834, Gustav Kunze transferred the species "Caenopteris rhizophylla" to "Asplenium" without changing the epithet; George Proctor identified this species, based on a specimen from Dominica, with "A. conquisitum", now synonymized with "A. rutaceum". A global phylogeny of "Asplenium" published in 2020 divided the genus into eleven clades, which were given informal names pending further taxonomic study. "A. rhizophyllum" belongs to.

Asplenium rhizophyllum. the ""A. cordatum" subclade" of the ""Schaffneria" clade". The "Schaffneria" clade has a worldwide distribution, and members vary widely in form and habitat. There is no clear morphological feature that unites the "A. cordatum" subclade; the sister species of "A. rhizophyllum" is "A. ruprechtii", which shares an undivided leaf blade and a proliferating tip, while the other three species are scaly spleenworts of dry habitats in Africa and the Middle East.## Hybrids.Walking fern is one of the three parental species of the "Appalachian "Asplenium" complex", a group of Asplenium hybrids and their progenitors known from eastern North America. Hybridization between.

Asplenium rhizophyllum. walking fern and mountain spleenwort ("A. montanum") has given rise through chromosome doubling to a new, fertile, species, lobed spleenwort ("A. pinnatifidum"). The sterile hybrid between walking fern and ebony spleenwort ("A. platyneuron"), known as Scott's spleenwort ("A. × ebenoides"), may be found where the two parents are in contact; at one locality, in Havana Glen, Alabama, "A. × ebenoides" has undergone chromosome doubling to produce a fertile species, Tutwiler's spleenwort ("A. tutwilerae").Much more rarely, walking fern hybridizes with two other common spleenworts of eastern North America. The hybrid between walking fern and wall-rue ("A. ruta-muraria"), known as unexpected spleenwort.

Asplenium rhizophyllum. ("A. × inexpectatum"), is known from a single specimen collected on dolomite in Adams County, Ohio. The hybrid between walking fern and maidenhair spleenwort, ("A. trichomanes" ssp. "trichomanes"), Shawnee spleenwort ("A. × shawneense"), is known from one collection on sandstone in the Shawnee Hills of Illinois.A triploid hybrid between walking fern and Tutwiler's spleenwort was accidentally produced in culture. A similar plant collected from limestone in Shepherdstown, West Virginia could have originated from the same parents, from an unreduced (diploid) gametophyte of Scott's spleenwort crossed with walking fern, or from an unreduced walking fern gametophyte crossed with ebony spleenwort.## Infraspecific.

Asplenium rhizophyllum. taxa.In 1813, Henry Muhlenberg listed lobed spleenwort as "Asplenium rhizophyllum" var. "pinnatifidum", although he did not provide a description distinguishing the variety from the typical species. It was described as the species "A. pinnatifidum" by Thomas Nuttall in 1818.A number of forms have been described, of limited taxonomic value. In 1883, J. C. Arthur described walking ferns from limestone cliffs in Muscatine County, Iowa that lacked auricles at the leaf base, with the blade abruptly tapering at the base instead. In this respect, the plants closely resembled "A. ruprechtii", but the leaf shape of the Iowa plants was lanceolate (widest.

Asplenium rhizophyllum. near the base) rather than ovate (widest in the middle), and the wide point of the leaf in the Iowa plants appeared slightly lobed. He named these plants "Camptosorus rhizophyllus" var. "intermedius"; the variety was subsequently given the status of a form by Willard N. Clute. In 1922, Ralph Hoffmann gave the name "C. rhizophyllus" f. "auriculatus" to specimens with proliferating auricles, based on material on limestone from New Marlborough, Massachusetts. In 1924, Frederick W. Gray described as "C. rhizophyllus" f. "angustatus" material from a sandstone boulder in Monroe County, West Virginia. These had a short stipe, less than 1.

Asplenium rhizophyllum. (in) long, and narrow leaf blades, less than 0.375 (in) wide, with the sori almost at the margins. He argued that as they were found along with normal material, they were not solely due to sun exposure. Finally, in 1935, Carl L. Wilson described "C. rhizophyllus" f. "boycei" based on material collected from the base of a limestone boulder in Highgate Springs, Vermont by Guy Boyce. These plants had deeply lobed auricles, and erose (jagged or indented) leaf margins with rounded edges.## Distribution.The principal range of "A. rhizophyllum" is in the Appalachian Mountains and the Ozarks. It can be found.

Asplenium rhizophyllum. from southern Quebec and Ontario along the Appalachians and Piedmont southwestward to Mississippi and Alabama, along the Ohio Valley and into the Ozarks west to Nebraska and Oklahoma, and along the Mississippi Valley north to Wisconsin and Minnesota. It has become extinct in Maine and Delaware. The distribution typically follows area of limy soil; sometimes said to be rare, it is better described as locally abundant where conditions favor it.## Ecology and conservation.Walking fern grows on shaded boulders, ledges and in crevices, usually covered with moss. On rare occasions, it is found on fallen tree trunks, as an epiphyte, or.

Asplenium rhizophyllum. on the ground. It is usually found on limestone or other alkaline rocks, rarely on sandstone or other acidic rocks.While globally secure, it is endangered in some states and provinces at the edge of its range. NatureServe considers it critically imperiled (S1) in Mississippi, New Hampshire and Rhode Island, imperiled (S2) in Michigan and South Carolina, and vulnerable (S3) in North Carolina and Quebec.## Cultivation.It was introduced into cultivation in England in 1680. It prefers low to medium light levels, and a moist, basic potting mix, or soil with added lime chips. Michigan conservation plan Last report from Maine Report.

Asplenium rhizophyllum. from sandstone in Michigan Hardy Fern Library Connecticut Botanical Society Flora of Pennsylvania.


Question: What is the highest observed lifespan of this animal?

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Waterbuck. 198 - 262 (kg) and females 161 - 214 (kg). Their coat colour varies from brown to grey. The long, spiral horns, present only on males, curve backward, then forward, and are 55 - 99 (cm) long.Waterbucks are rather sedentary in nature. As gregarious animals, they may form herds consisting of six to 30 individuals. These groups are either nursery herds with females and their offspring or bachelor herds. Males start showing territorial behaviour from the age of 5 years, but are most dominant from the six to nine. The waterbuck cannot tolerate dehydration in hot weather, and thus inhabits.

Waterbuck. in length. To some extent, the length of the horns is related to the bull's age. A rudimentary horn in the form of a bone lump may be found on the skulls of females.## Ecology and behaviour.Waterbuck are rather sedentary in nature, though some migration may occur with the onset of monsoon. A gregarious animal, the waterbuck may form herds consisting of six to 30 individuals. The various groups are the nursery herds, bachelor herds and territorial males. Herd size increases in summer, whereas groups fragment in the winter months, probably under the influence of food availability. As soon as.

Waterbuck. up to two months. At about three to four weeks, the calf begins following its mother, who signals it to do so by raising her tail. Though bereft of horns, mothers will fiercely defend their offspring from predators. Calves are weaned at eight months, following which time they join groups of calves of their own age. Young females remain with their mothers in nursery herds, or may also join bachelor herds. The waterbuck lives to 18 years in the wild and 30 years in captivity.## Distribution and habitat.The waterbuck is native to southern and eastern Africa (including countries such as.


Question: What is the closest parent taxonomy of this bird?

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Prothonotary warbler. The prothonotary warbler (Protonotaria citrea) is a small songbird of the New World warbler family. It is the only member of the genus Protonotaria.## Taxonomy.The prothonotary warbler was described by the French polymath Georges-Louis Leclerc, Comte de Buffon in 1779 in his "Histoire Naturelle des Oiseaux" from a specimen collected in Louisiana. Buffon coined the French name "Le figuier protonotaire". The bird was also illustrated in a hand-coloured plate engraved by François-Nicolas Martinet in the "Planches Enluminées D'Histoire Naturelle," which was produced under the supervision of Edme-Louis Daubenton to accompany Buffon's text. Neither the plate caption nor Buffon's description included.

Prothonotary warbler. a scientific name but in 1783 the Dutch naturalist Pieter Boddaert coined the binomial name "Motacilla citrea" in his catalogue of the "Planches Enluminées". The prothonotary warbler is now the only species placed in the genus "Protonotaria" that was introduced in 1858 by the American naturalist Spencer Baird. The species is monotypic, no subspecies are recognised. The genus name is from Late Latin "protonotarius", meaning "prothonotary", a notary attached to the Byzantine court who wore golden-yellow robes. The specific "citrea" is from Latin "citreus" meaning the colour "citrine". It was once known as the golden swamp warbler.A molecular phylogenetic study.

Prothonotary warbler. arrangement, take a look at the prothonotary."John James Audubon's painting of a prothonotary warbler is the third plate in his "The Birds of America".Kurt Vonneguts' novel "Jailbird" describes the warbler as "the only birds that are housebroken in captivity". Prothonotary warbler Species Account – Cornell Lab of Ornithology Prothonotary warbler - "Protonotaria citrea" - USGS Patuxent Bird Identification InfoCenter Prothonotary Warbler "The Swamp Songster" by Lisa Petit (January 1997) – Smithsonian Migratory Bird Center Prothonotary warbler recording at Florida Museum of Natural History.