Question: Who is the owner of this building?

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Chapel of the Resurrection (Valparaiso, Indiana). The Chapel of the Resurrection is the centerpiece structure on the campus of Valparaiso University in Valparaiso, Indiana. Primarily used to facilitate many Lutheran campus worship services, the Chapel of the Resurrection also serves as a site for convocations, musical performances, guest lectures, and commencement ceremonies.The chapel's chancel is 98 (ft) high and is circular in shape; the roof of the apse is shaped like a nine-pointed star. The nave is 58 (ft) high and 193 (ft) long. The building capacity is around 2000, although this number is flexible depending upon the configuration of the chairs, which recently replaced the.

Chapel of the Resurrection (Valparaiso, Indiana). pews. To the southwest of the Chapel lies the Brandt Campanile, a 12-bell tower rising 143 (ft) tall.Clearly visible from U.S. Route 30 and throughout the surrounding community, the building is located on the highest point of ground on the Valparaiso University campus and is a Northwest Indiana landmark.## History.Groundbreaking for the Chapel construction took place in 1956. The building was designed by the architectural firm Charles Stade and Associates of Park Ridge, Illinois, though certain elements and features (e.g., the stone baptistry, the stained glass windows, etc.) were designed by other artists. Peter Dohmen Studios of St. Paul, Minnesota.

Chapel of the Resurrection (Valparaiso, Indiana). designed the 95 (ft) high stained glass windows, as well as the marble interzia altar, and the mosaic at the entrance of the chapel. Adalbert Raphael Kretzmann, pastor and brother of Valparaiso University president O. P. Kretzmann, joined Charles Stade in the building's design.The altar is 20 (ft) long, made of various types of Italian marble. Peter Dohmen designed the inlaid marble pedestals to depict, with symbols, the four evangelists. Matthew is represented by an angel, Mark by a lion, John by an eagle, and Luke by an ox.Peter Dohmen learned his skills at the top art academies of Europe.

Chapel of the Resurrection (Valparaiso, Indiana). building was dedicated in 1959, part of Valparaiso University's centennial celebration, and officially designated as the Chapel of the Resurrection at the 10th anniversary service in 1969.In July and August 2005, the university built a medieval-style prayer labyrinth on the east side of the chapel, 64 feet in diameter. The university is adding 11000 (sqft) to the building in 2014, known as the Helge Center.## Organ.The Reddel Organ in the chapel was built by organ builder Herman Schlicker of Buffalo, New York. A contract for the organ was signed on September 27, 1957 at a cost of $68,000. These funds.


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

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Dryas iulia. Dryas iulia (often incorrectly spelled "julia"), commonly called the Julia butterfly, Julia heliconian, the flame, or flambeau, is a species of brush-footed (or nymphalid) butterfly. The sole representative of its genus Dryas, it is native from Brazil to southern Texas and Florida, and in summer can sometimes be found as far north as eastern Nebraska. Over 15 subspecies have been described.Its wingspan ranges from 82 to 92 mm, and it is colored orange (brighter in male specimens) with black markings; this species is somewhat unpalatable to birds and belongs to the "orange" Mullerian mimicry complex.This butterfly is a fast flier.

Dryas iulia. and frequents clearings, paths, and margins of forests and woodlands. It feeds on the nectar of flowers, such as lantanas ("Lantana") and shepherd's-needle ("Scandix pecten-veneris"), and the tears of caiman, the eye of which the butterfly irritates to produce tears. Its caterpillar feeds on leaves of passion vines, including "Passiflora affinis" and yellow passionflower ("P. lutea") in Texas.Its mating behavior is complex and involves a prolonged courtship whose outcome appears to be controlled by the female. This raises questions pertaining to the occurrence of the evolution of sexual conflict.The species is popular in butterfly houses because it is long-lived and.

Dryas iulia. active throughout the day. However, the caterpillars are spiky and may cause a skin rash.## Identification."D. iulia" is characterized by elongated orange wings with black wing markings that vary by subspecies. Black markings are mainly located near the wing tips. Male Julia butterflies can be identified by their brighter orange color, compared to the duller orange exhibited by females . Images of many Julia butterfly subspecies can be found at the bottom of the page.## Distribution."D. iulia" is common in the tropical and subtropical areas of North, Central, and South America. In South America, throughout countries like Brazil, Ecuador, and.

Dryas iulia. Bolivia, the Julia butterfly is commonly distributed. The butterfly is also widespread throughout a number of the Caribbean islands, with endemic subspecies located in Cuba, Dominica, the Bahamas, and Puerto Rico, among others. Moving further north, the species can be commonly witnessed in Central America up into Texas and Florida (and can occasionally be found to move into the Nebraska area during the summer). The geographic distribution of "D. iulia" overlaps with the ranges of other butterflies which sometimes leads to conflict. For example, the ranges of "D. iulia" and the gulf fritillary overlap; in some cases, gulf fritillaries can.

Dryas iulia. sometimes be subjected to competition and fighting from "Dryas iulia moderata" when the two species have breeding populations in similar areas and within the same geographic range.## Habitat."D. iulia" prefer open, sunny breaks in the subtropical and tropical forests it inhabits. The butterfly is also common in open areas such as gardens, cattle grazing lands, and forest clearings, due to human impact. "D. iulia" can be found on a few main hostplants (or shrubs in Latin America) including the passion vine of the family Passifloraceae.## Migration."D. iulia" flights take place throughout the year in southern Florida and southern Texas, but.

Dryas iulia. especially during the fall. The butterfly in its U.S. range has been seen to occasionally migrate as far north as Nebraska. However, south of its United States range, the Julia butterfly generally does not migrate. The butterfly's flight pattern can be fast or slow, and is usually seen around the middle story of their forest habitat.## Food resources."D. iulia" larvae feed on "Passiflora" plants almost exclusively, specifically those of subgenuses "Astrophea" (also known as "Passiflora"), "Polyanthea", "Tryphostemmatoides", and "Plectostemma".As adults, male and females feed differently based on their reproductive needs. As mentioned further down, males engage in mud-puddling behavior in.

Dryas iulia. order to gain valuable minerals for their spermatophores. They have also been seen to agitate the eyes of caimans and turtles in order to produce tears that the butterflies can drink. Observations of this from points 1500 km apart, were probably the first time scientific observations were coordinated via films broadcast on terrestrial television.Females, meanwhile, besides visiting certain flower species for their nectar – like "Lantana" and "Eupatorium" (as both male and female "D. iulia" butterflies do) – also use pollen from flowers to gain nutrients needed for egg production.## Hostplant coevolutionary strategies."Passiflora vines" and "D. iulia" (among other "Heliconian.

Dryas iulia. butterflies) have shown strong evidence of coevolution, as the butterflies attempt to gain better survival for their laid eggs and the plants attempt to stop their destruction from larval feeding. Many members of the genus "Passiflora" have evolved to produce very tough, thick leaves that are hard to break down by the caterpillars. Some "Passiflora" vines have gone further by producing small leaves that look like a perfect place for the butterflies to lay eggs, but break off at the stem within a few days, carrying the "D. iulia" eggs with them. Other "Passiflora" vines actually mimic eggs of the.

Dryas iulia. butterfly species that use it as a hostplant, so that a passing butterfly thinks the plant already has eggs on it and consequently does not oviposit. The butterflies have thus evolved to be more discerning in their egg placement, and better able to detect strategies used by their host plant, the "Passiflora"## Mud-puddling behavior.Mud-puddling is a peculiar social behavior engaged in by a number of butterfly species, including "D. iulia". It involves male butterflies crowding around damp ground in order to drink dissolved minerals through a process of water filtration. During copulation, the male butterfly uses minerals in his spermatophore,.

Dryas iulia. which must be replenished before the following mating. When a male finds a suitable spot for the behavior, other males can quickly join and hundreds of butterflies may become attracted to the site. Multiple species may join the group, but the butterflies do not evenly distribute between species. Instead, "D. iulia" and others usually remain near members of their own species.## Protective coloration."D. iulia" butterflies are part of the “orange” Mullerian mimicry complex, one of the similar "Heliconian" species that employ this protective tactic. "Passifloracae", the primary food source of "D. iulia" caterpillars, contains trace amounts of cyanide. This has.

Dryas iulia. led to the development of cyanogenic glycosides that make the butterfly unpalatable to its predators, which come from a mixture of storage from their hostplant and larval synthesis. The mimicry in "D. iulia" involves other butterfly species having evolved to look similar to the Julia butterfly in order to convey their presumed unpalatability.## Life history.## Egg.Julia butterfly eggs tend to be a light yellow color when laid, which turns to a darker orange or brown shade before hatching. Each of the butterfly's eggs are separately laid onto new leaf tendrils of its host plant, usually the passionflower vine.The egg of.

Dryas iulia. the butterfly measures about 1.2 mm in height and 1.0 mm in diameter. They have approximately 20 vertical ridges and 13 horizontal ridges.## Larva."D. iulia" caterpillars eat slots into the leaves of their hostplant once they emerge from their egg. However, they do not have nests in their hostplants. They instead use the remaining part of the leaf as a protected area to rest on.The caterpillars of the Julia butterfly have pink, gray, and black coloration throughout their body with maroon and cream patches. Long, branched, black spines also cover their entire body. A cream-colored, inverted Y-shaped mark can be.

Dryas iulia. seen on the front of the caterpillar's head.Larvae emit noxious chemicals in their larval stage because of the trace cyanide in their hostplant. This makes the larvae unpalatable to certain bird species, especially tanagers.## Pupa."D. iulia" have five larval stages, and at the fifth the larva becomes a pupa. The pupa of the Julia butterfly is grayish white in color, and somewhat resembles a dead leaf.## Adult.After emerging from their chrysalis, the male Julia butterfly spends the majority of its time looking for mates. At night, the butterfly roosts close to the ground, either in a small group or alone.

Dryas iulia. "D. iulia"’s adult lifespan lasts for less than a month.## Reproduction.## Courtship behavior.Courtship behavior in "D. iulia" involves a very specific sequence of steps that can be categorized into three sequential phases: an aerial phase, an air-ground phase, and a ground phase. The observed courtship steps are outlined in detail below:First, the male "D. iulia" approaches the female from behind. Then, the female takes flight, with the male flying in front of and above the female. This position is taken by the male so that the female can smell the male's scent scales and become sexually stimulated. Next, the female.

Dryas iulia. attempts to fly higher than the male, which can be seen as an anti-copulatory behavior, before landing. After that, the male "D. iulia" continues to beat his wings above and in front of the female, while both face the same direction. The female butterfly then opens and vibrates her hind wings and front wings. Her hind wings are fully opened while her forewings are only partially so. At the same time, the female emits scent glands from her raised abdomen. The male then beats his wings behind and then in front of the female once again. If the female is.

Dryas iulia. satisfied by the courtship, she lowers her abdomen and shuts her wings in preparation for mating.## Mating behavior.Mating can occur within two weeks of the Julia butterfly's exit from the chrysalis. As adults, male "D. iulia" spend the majority of their time searching for females to mate with. Females of this butterfly species can mate four times in their lifetime, which is unusual for female "Heliconius" butterflies who generally mate just once.Many mating behaviors in "D. iulia" are sex-specific, and can include receptive and non-receptive behaviors by the females of the species. Some female behaviors regarded as showing non-receptiveness include.

Dryas iulia. abdomen raising and overflight, in which the female attempts to fly higher than the male during the aerial phase of courtship. On the other hand, a female behavior such as shutting her wings has been found to be a key receptive behavior. For males, persistence did not seem to be a key driver of success, as behaviors performed by persistent males such as hovering over the female did not often lead to copulation.The inability of persistent males – meaning, those that carried on extended courtship behavior – to increase copulation has led to researchers theorizing female copulation acceptance as the.

Dryas iulia. primary determinant of successful copulation in "D. iulia". For example, the only male behavioral acts found to be indicative of successful copulation occurred in response to signals of female receptiveness.## Evolutionary basis of sexual selection and conflict.Julia butterfly copulation is always terminated by the males after the ground phase. The female remains at the mating site as the male flies away. This raises the idea of an evolutionary basis for this behavior based on a conflict of interests between males and females of the species. This conflict arises because of a difference in reproductive interests between the male and the.

Dryas iulia. female that has its beginnings in anisogamy. Sexual selection studies favor forms of sexual conflict such as this one to be one of the major sources of speciation in certain insects.The methods of mate selection (by which a female accepts or denies a male suitor) are not completely understood. Some studies have reported the sexual dimorphism (of color and body size) of the butterfly as a key factor that may suggest an evolutionary basis towards understanding sexual selection. "D. iulia" male butterflies have been seen to chase females of butterfly species with similar visual cues, which has led researchers to.

Dryas iulia. believe that these visual recognition strategies form the basis of sexual partner selection in this species. However, more research is needed to identify how different aspects of "D. iulia"’s physical features factor into mate selection.## Interaction with humans.When "D. iulia" are caterpillars, they can cause a skin rash on humans if touched. This is likely from the yellow liquid that is produced from the tips of the long, black spines that cover its body, which is emitted as a predator deterrent related to their cyanogenic glycosides## Introduced invasiveness."D. iulia" are commonly admired for their coloration. As a diurnal species of.

Dryas iulia. butterfly that is quite active during the day, Julia butterfly are often found in butterfly houses. One butterfly house in Phuket, Thailand, obtained Julia butterflies, specifically "Dryas iulia moderata" from an exporter butterfly farm in Costa Rica and released them during Buddhist ceremonies and weddings. The released butterflies have now colonized areas of Thailand and Malaysia and established a wild population. "D. iulia" are now too widespread in the region to eradicate. They feed on invasive "Passiflora" species around its invasive range, usually "Passiflora suberosa" and sometimes "Passiflora foetida".## Subspecies.Listed alphabetically: "D. i. alcionea" – (Suriname, Bolivia, Brazil) "D. i.

Dryas iulia. carteri" – (Bahamas) "D. i. delila" – (Jamaica) "D. i. dominicana" – (Dominica) "D. i. framptoni" – (St. Vincent) "D. i. fucatus" – (Dominican Republic) "D. i. iulia" – (Puerto Rico) "D. i. lucia" – (St. Lucia) "D. i. largo" – (Florida) "D. i. martinica" – (Martinique) "D. i. moderata" – (Mexico, Honduras, Ecuador) "D. i. nudeola" – (Cuba) "D. i. warneri" – (St. Kitts) "D. i. zoe" – (Cayman Islands) Butterflies and Moths of North America (BMNA) (2008). Julia Heliconian. Retrieved 2008-AUG-14. Miller, L. D. & Miller, J. Y. (2004). "The Butterfly Handbook": 115. Barron's Educational Series, Inc., Hauppauge,.


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

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Broad-tailed hummingbird. The broad-tailed hummingbird ("Selasphorus platycercus") is a medium-sized hummingbird species found in highland regions from western United States and Western Canada to Mexico and Guatemala.## Description.Medium in size, the broad-tailed hummingbird is 4 (in) in length and possesses an overall wingspan of 5.25 (in). Weighing around 3.6 (g), the female tends to be slightly larger than the male. Adults of both sexes show an iridescent green back, white eye ring and a rounded black tail projecting beyond their wing tips, from which their name was inspired. This species shows sexual dimorphism, which means that male and female have different characteristics.

Broad-tailed hummingbird. The male possesses a characteristic bright rose-red gorget. An identification characteristic is the white eye ring. The female can be distinguished from the male by her paler coloration, cinnamon flanks, and spotted cheeks absent in the male.## Taxonomy.The broad-tailed hummingbird, "Selasphorus platycercus," is a member of the order Apodiformes, in the family Trochilidae"." Hummingbird taxonomy has not been extensively studied, but its phylogenic division can be divided as a family into nine clades in which the broad-tailed hummingbird is a member of the "Bee group" and included in the "Selasphorus" genus. This genus is composed of 6 members taxonomically distinguished.

Broad-tailed hummingbird. based on color characteristics. This genus is characterized by hummingbirds with a plumage containing rufous coloration and a neck gorget of orange to purple in males.Members of this genus include:"Selasphorus sasin" : Allen's hummingbird"Selasphorus rufus" : Rufous hummingbird"Selasphorus scintilla" : Scintillant hummingbird"Selasphorus ardens" : Glow-throated hummingbird"Selasphorus flammula" :Volcano hummingbirdOn a geographic scale, the genus "Selasphorus" can be subdivided into 2 groups of species, one living in North America, and a second in the region of Costa Rica and Panama.## Habitat and distribution.## Habitat.This hummingbird is seen in the understory or under tree canopies of pine and oak woodland. It forages.


Question: Which historic county does this place belong to?

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Blenheim Palace. Blenheim Palace (pronounced ) is a country house in Woodstock, Oxfordshire, England. It is the seat of the Dukes of Marlborough and the only non-royal, non-episcopal country house in England to hold the title of palace. The palace, one of England's largest houses, was built between 1705 and 1722, and designated a UNESCO World Heritage Site in 1987.The palace is named after the 1704 Battle of Blenheim, and thus ultimately after Blindheim (also known as Blenheim) in Bavaria. It was originally intended to be a reward to John Churchill, 1st Duke of Marlborough for his military triumphs against the French.

Blenheim Palace. a robbery: unknown thieves entered the palace at night time, just after the opening of the show, and stole a golden toilet, valued at $5 million, which had been installed by the artist in one of the bathrooms.The public have free access to about five miles (8 km) of public rights of way through the Great Park area of the grounds, which are accessible from Old Woodstock and from the Oxfordshire Way, and which are close to the Column of Victory. Blenheim Palace in film and media List of Baroque residences "Noble Households" – book with Blenheim Palace inventory of.


Question: Which historic county does this place belong to?

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Gordale Scar. Gordale Scar is a limestone ravine 1 (mile) northeast of Malham, North Yorkshire, England. It contains two waterfalls and has overhanging limestone cliffs over 100 (m) high. The gorge could have been formed by water from melting glaciers or a cavern collapse. The stream flowing through the scar is Gordale Beck, which on leaving the gorge flows over Janet's Foss before joining Malham Beck 2 (mi) downstream to form the River Aire. A right of way leads up the gorge, but requires climbing approximately 10 (ft) of tufa at the lower waterfall.## Notable visitors.William Wordsworth wrote in the sonnet "Gordale",.


Question: What is the location of this building?

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Brabo Fountain. The Brabo Fountain () is located in the Grote Markt (Main Square) of Antwerp, in front of the Town Hall of the city. The ceremonial inauguration of the sculpture took place in 1887. Jef Lambeaux realized the set of the bronze fountain.The reason is the legend of the name of the city, in which it is said that the giant Druon Antigoon cut off a hand to all the ship captains who moored in the area and refused to pay toll, then throwing it to the Scheldt. The captain of the Roman army Brabo cut off the giant's hand imitating.


Question: In which year was this building published?

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Strapless. Strapless is a 1989 film written and directed by David Hare.## Plot summary.An expatriate American doctor in London allows herself to lighten up when her freewheeling younger sister and a mysterious man enter her life. Her inhibitions released, the beautiful doctor learns that freedom has its own price.Blair Brown – Dr. Lillian HempelBruno Ganz – Raymond ForbesBridget Fonda – Amy HempelAlan Howard – Mr. CooperMichael Gough – Douglas BrodieHugh Laurie – ColinDana Gillespie – Julie KovagoSpencer Leigh – HusAlexandra Pigg - Helen## Release.After the film's May 1990 U.S. theatrical release, it was released on videocassette in the United States by.


Question: What is the facet of this object?

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Octagon. In geometry, an octagon (from the Greek ὀκτάγωνον "oktágōnon", "eight angles") is an eight-sided polygon or 8-gon.A "regular octagon" has Schläfli symbol {8} and can also be constructed as a quasiregular truncated square, t{4}, which alternates two types of edges. A truncated octagon, t{8} is a hexadecagon, {16}. A 3D analog of the octagon can be the rhombicuboctahedron with the triangular faces on it like the replaced edges, if one considers the octagon to be a truncated square.## Properties of the general octagon.The sum of all the internal angles of any octagon is 1080°. As with all polygons, the external.

Octagon. angles total 360°.If squares are constructed all internally or all externally on the sides of an octagon, then the midpoints of the segments connecting the centers of opposite squares form a quadrilateral that is both equidiagonal and orthodiagonal (that is, whose diagonals are equal in length and at right angles to each other).The midpoint octagon of a reference octagon has its eight vertices at the midpoints of the sides of the reference octagon. If squares are constructed all internally or all externally on the sides of the midpoint octagon, then the midpoints of the segments connecting the centers of opposite.

Octagon. squares themselves form the vertices of a square.## Regular octagon.A regular octagon is a closed figure with sides of the same length and internal angles of the same size. It has eight lines of reflective symmetry and rotational symmetry of order 8. A regular octagon is represented by the Schläfli symbol {8}.The internal angle at each vertex of a regular octagon is 135° (formula_1 radians). The central angle is 45° (formula_2 radians).## Area.The area of a regular octagon of side length "a" is given byformula_3In terms of the circumradius "R", the area isformula_4In terms of the apothem "r" (see also.

Octagon. inscribed figure), the area isformula_5These last two coefficients bracket the value of pi, the area of the unit circle.The area can also be expressed asformula_6where "S" is the span of the octagon, or the second-shortest diagonal; and "a" is the length of one of the sides, or bases. This is easily proven if one takes an octagon, draws a square around the outside (making sure that four of the eight sides overlap with the four sides of the square) and then takes the corner triangles (these are 45–45–90 triangles) and places them with right angles pointed inward, forming a square.

Octagon. The edges of this square are each the length of the base.Given the length of a side "a", the span "S" isformula_7The span, then, is equal to the "silver ratio" times the side, a.The area is then as above:formula_8Expressed in terms of the span, the area isformula_9Another simple formula for the area is formula_10More often the span "S" is known, and the length of the sides, "a", is to be determined, as when cutting a square piece of material into a regular octagon. From the above,formula_11The two end lengths "e" on each side (the leg lengths of the triangles (green.

Octagon. in the image) truncated from the square), as well as being formula_12 may be calculated asformula_13## Circumradius and inradius.The circumradius of the regular octagon in terms of the side length "a" isformula_14and the inradius isformula_15## Diagonals.The regular octagon, in terms of the side length "a", has three different types of diagonals:Short diagonal;Medium diagonal (also called span or height), which is twice the length of the inradius;Long diagonal, which is twice the length of the circumradius.The formula for each of them follows from the basic principles of geometry. Here are the formulas for their length:Short diagonal: formula_16 ;Medium diagonal: formula_17 ;.

Octagon. ("silver ratio" times a) Long diagonal: formula_18 .## Construction and elementary properties.A regular octagon at a given circumcircle may be constructed as follows:Draw a circle and a diameter AOE, where O is the center and A, E are points on the circumcircle.Draw another diameter GOC, perpendicular to AOE.(Note in passing that A,C,E,G are vertices of a square).Draw the bisectors of the right angles GOA and EOG, making two more diameters HOD and FOB.A,B,C,D,E,F,G,H are the vertices of the octagon.A regular octagon can be constructed using a straightedge and a compass, as 8 = 23, a power of two:The regular octagon.

Octagon. can be constructed with meccano bars. Twelve bars of size 4, three bars of size 5 and two bars of size 6 are required.Each side of a regular octagon subtends half a right angle at the centre of the circle which connects its vertices. Its area can thus be computed as the sum of 8 isosceles triangles, leading to the result:formula_19for an octagon of side "a".## Standard coordinates.The coordinates for the vertices of a regular octagon centered at the origin and with side length 2 are:(±1, ±(1+)) (±(1+), ±1).## Dissection.Coxeter states that every zonogon (a 2"m"-gon whose opposite sides are.

Octagon. parallel and of equal length) can be dissected into "m"("m"-1)/2 parallelograms.In particular this is true for regular polygons with evenly many sides, in which case the parallelograms are all rhombi. For the "regular octagon", "m"=4, and it can be divided into 6 rhombs, with one example shown below. This decomposition can be seen as 6 of 24 faces in a Petrie polygon projection plane of the tesseract. The list defines the number of solutions as 8, by the 8 orientations of this one dissection. These squares and rhombs are used in the Ammann–Beenker tilings.## Skew octagon.A skew octagon is a.

Octagon. skew polygon with 8 vertices and edges but not existing on the same plane. The interior of such an octagon is not generally defined. A "skew zig-zag octagon" has vertices alternating between two parallel planes.A regular skew octagon is vertex-transitive with equal edge lengths. In 3-dimensions it will be a zig-zag skew octagon and can be seen in the vertices and side edges of a square antiprism with the same D4d, [2+,8] symmetry, order 16.## Petrie polygons.The regular skew octagon is the Petrie polygon for these higher-dimensional regular and uniform polytopes, shown in these skew orthogonal projections of in A7,.

Octagon. B4, and D5 Coxeter planes.## Symmetry of octagon.The "regular octagon" has Dih8 symmetry, order 16. There are 3 dihedral subgroups: Dih4, Dih2, and Dih1, and 4 cyclic subgroups: Z8, Z4, Z2, and Z1, the last implying no symmetry.On the regular octagon, there are 11 distinct symmetries. John Conway labels full symmetry as r16. The dihedral symmetries are divided depending on whether they pass through vertices (d for diagonal) or edges (p for perpendiculars) Cyclic symmetries in the middle column are labeled as g for their central gyration orders. Full symmetry of the regular form is r16 and no symmetry is.

Octagon. labeled a1.The most common high symmetry octagons are p8, an isogonal octagon constructed by four mirrors can alternate long and short edges, and d8, an isotoxal octagon constructed with equal edge lengths, but vertices alternating two different internal angles. These two forms are duals of each other and have half the symmetry order of the regular octagon.Each subgroup symmetry allows one or more degrees of freedom for irregular forms. Only the g8 subgroup has no degrees of freedom but can seen as directed edges.## Uses of octagons.The octagonal shape is used as a design element in architecture. The Dome of.


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

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Asclepias viridiflora. Asclepias viridiflora, is commonly known as green comet milkweed, green-flower milkweed, and green milkweed. It is a widely distributed species of milkweed ("Asclepias"), known from much of the eastern and central United States from Connecticut to Georgia to Arizona to Montana, as well as southern Canada. The Latin specific epithet "viridiflora" means green-flowered."Asclepias viridiflora" is an erect to ascending herb up to 50 cm tall, with distinctive greenish-white flowers. The pods lack the warts and tubercules common on other species of Asclepias. It grows in moist to dry shaded roadsides, fields, and prairies.## Conservation status.It is listed as endangered in.

Asclepias viridiflora. Florida, as threatened in New York (state), and as endangered in Connecticut.## Native American Ethnobotany.The Blackfoot apply a poultice of chewed roots to swellings, rashes, sore gums of nursing infants, and sore eyes. They also chew the root for sore throats, use the plant to spice soups, and use the fresh roots for food. The Brulé Lakota give pulverized roots to children with diarrhea, and an infusion of the whole plant is taken by mothers to increase their milk.


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

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Black-winged stilt. The black-winged stilt (Himantopus himantopus) is a widely distributed very long-legged wader in the avocet and stilt family (Recurvirostridae). The scientific name "H. himantopus" is sometimes applied to a single, almost cosmopolitan species. Alternatively, it is restricted to the form that is widespread in Europe, Asia and Africa, which equals the nominate group of "Himantopus himantopus" "sensu lato" (whereas the black-necked, "H. mexicanus", and white-backed stilt, "H. melanurus", both inhabit the Americas, and the pied stilt, "H. leucocephalus", inhabit southeast Asia to Australia and New Zealand). Most sources today accept 1–4 species. The scientific name "Himantopus" comes from the Greek.

Black-winged stilt. 13 young were fledged in southern England in 2017. Four chicks were successfully fledged in northern England in 2022; this is believed to be the most northerly breeding success for the black-winged stilt.These birds pick up their food from sand or water. They eat mainly insects and crustaceans.The nest site is a bare spot on the ground near water. These birds often nest in small groups, sometimes with avocets.The black-winged stilt is one of the species to which the "Agreement on the Conservation of African-Eurasian Migratory Waterbirds" applies. Black-winged Stilt species text in The Atlas of Southern African Birds. Ageing.


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

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

Telephone. A telephone is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly. A telephone converts sound, typically and most efficiently the human voice, into electronic signals that are transmitted via cables and other communication channels to another telephone which reproduces the sound to the receiving user. The term is derived from ("tēle", "far") and φωνή ("phōnē", "voice"), together meaning "distant voice". A common short form of the term is phone, which came into use almost immediately after the first patent was issued.In 1876, Alexander Graham Bell.

Telephone. inventions such as radio, television, the light bulb, and the computer, several inventors pioneered experimental work on "voice transmission over a wire" and improved on each other's ideas. New controversies over the issue still arise from time to time. Charles Bourseul, Antonio Meucci, Johann Philipp Reis, Alexander Graham Bell, and Elisha Gray, amongst others, have all been credited with the invention of the telephone.Alexander Graham Bell was the first to be awarded a patent for the electric telephone by the United States Patent and Trademark Office (USPTO) in March 1876. Before Bell's patent, the telephone transmitted sound in a way.

Telephone. that was similar to the telegraph. This method used vibrations and circuits to send electrical pulses, but was missing key features. Bell found that this method produced a sound through intermittent currents, but in order for the telephone to work a fluctuating current reproduced sounds the best. The fluctuating currents became the basis for the working telephone, creating Bell's patent. That first patent by Bell was the "master patent" of the telephone, from which other patents for electric telephone devices and features flowed. The Bell patents were forensically victorious and commercially decisive.In 1876, shortly after Bell's patent application, Hungarian engineer.

Telephone. that English technicians to whom Mr. Manzetti illustrated his method for transmitting spoken words on the telegraph wire intend to apply said invention in England on several private telegraph lines". However, telephones would not be demonstrated there until 1876, with a set of telephones from Bell. 28 December 1871: Antonio Meucci files patent caveat No. 3335 in the U.S. Patent Office titled "Sound Telegraph", describing communication of voice between two people by wire. A 'patent caveat' was not an invention patent award, but only an unverified notice filed by an individual that he or she intends to file a regular.

Telephone. patent application in the future. 1874: Meucci, after having renewed the caveat for two years does not renew it again, and the caveat lapses. 6 April 1875: Bell's U.S. Patent 161,739 "Transmitters and Receivers for Electric Telegraphs" is granted. This uses multiple vibrating steel reeds in make-break circuits. 11 February 1876: Elisha Gray invents a liquid transmitter for use with the telephone but does not build one. 14 February 1876: Gray files a patent caveat for transmitting the human voice through a telegraphic circuit. 14 February 1876: Alexander Graham Bell applies for the patent "Improvements in Telegraphy", for electromagnetic telephones.

Telephone. using what is now called amplitude modulation (oscillating current and voltage) but which he referred to as "undulating current". 19 February 1876: Gray is notified by the U.S. Patent Office of an interference between his caveat and Bell's patent application. Gray decides to abandon his caveat. 7 March 1876: Bell's U.S. patent 174,465 "Improvement in Telegraphy" is granted, covering "the method of, and apparatus for, transmitting vocal or other sounds telegraphically…by causing electrical undulations, similar in form to the vibrations of the air accompanying the said vocal or other sound." 10 March 1876: The first successful telephone transmission of clear.

Telephone. speech using a liquid transmitter when Bell spoke into his device, "Mr. Watson, come here, I want to see you." and Watson heard each word distinctly. 30 January 1877: Bell's U.S. patent 186,787 is granted for an electromagnetic telephone using permanent magnets, iron diaphragms, and a call bell. 27 April 1877: Edison files for a patent on a carbon (graphite) transmitter. The patent 474,230 was granted 3 May 1892, after a 15-year delay because of litigation. Edison was granted patent 222,390 for a carbon granules transmitter in 1879.## Early commercial instruments.Early telephones were technically diverse. Some used a water microphone,.

Telephone. (MMS) Party line (telephony) Phone hacking Satellite phone SIM card Spamming Telephone keypad Telephone jack and plug Telephone tapping Tip and ring Videophone Brooks, John (1976). "Telephone: The first hundred years". HarperCollins. Casson, Herbert Newton. (1910) "The history of the telephone" online. Coe, Lewis (1995). "The Telephone and Its Several Inventors: A History." Jefferson, NC: McFarland & Co. Evenson, A. Edward (2000). "The Telephone Patent Conspiracy of 1876: The Elisha Gray – Alexander Bell Controversy." Jefferson, NC: McFarland & Co. Fischer, Claude S. (1994) "America calling: A social history of the telephone to 1940" (Univ of California Press, 1994) Huurdeman,.

Telephone. Anton A. (2003). "The Worldwide History of Telecommunications" Hoboken: NJ: Wiley-IEEE Press. John, Richard R. (2010). "Network Nation: Inventing American Telecommunications." Cambridge, MA: Harvard University Press. MacDougall, Robert. "The People's Network: The Political Economy of the Telephone in the Gilded Age." Philadelphia: University of Pennsylvania Press. Mueller, Milton. (1993) "Universal service in telephone history: A reconstruction." "Telecommunications Policy" 17.5 (1993): 352–69. Todd, Kenneth P. (1998), "A Capsule History of the Bell System". American Telephone & Telegraph Company (AT&T). Early U.S. Telephone Industry Data Virtual museum of early telephones The Telephone, 1877 —"Telegraphy" (Bell's first telephone patent)—Alexander Graham Bell US 186,787—"Electric.


Question: What is the hymenium type of this plant?

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

Fomitopsis pinicola. thick. Its surface is more or less smooth, at first orange-yellow with a white margin, later dark reddish to brown and then frequently with an orange margin. The pore surface is pale yellow to leather-brown, 3–4 pores per mm. It grows as thick shelves on live and dead coniferous or (less commonly) deciduous trees. The spores are pale yellow and smooth. The species also grows as a layer of tubes on the bottom of fallen wood.The fruiting body of "Fomitopsis pinicola" is called the "conk". It is a woody, pileate fruiting body with pores lined with basidia on its underside.

Fomitopsis pinicola. As in other polypores, the fruiting body is perennial with a new layer of pores produced each year on the bottom of the old pores. The pores are whitish when young and become somewhat brownish in age. This mushroom is inedible due to its woody texture, but it is useful as tinder.There is currently a splitting of "F. pinicola" occurring to isolate distinct species that have all previously been classified as "F. pinicola." DNA analysis supports splitting "F. pinicola" into three groups- "F. pinicola, F. mounceae, and F. schrenkii". "Fomitopsis pinicola" is found in Europe and Asia, "Fomitopsis mounceae" is.

Fomitopsis pinicola. this fungus may become more brittle and prone to breakage in high winds, and cannot be used for pulp production. This species requires exposed wood of wounds for entry, continuing their decay after the tree dies.The fruiting bodies of the fungus disperse airborne spores, but the actual degradation of the wood is by the thread-like vegetative part of the fungus inside the trees. The fungus can occur anywhere on roots or the stem, but is most common low on the bole, where frequent wounds promote infection.## Ecology.This stem decay fungi is found on live conifer trees in southeast Alaska such.


Question: What is the litter size of this bird?

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

Laughing falcon. to 800 (g) compared to the males' 410 to 680 (g).Adults have a pale buff head, changeable between a more brownish and an almost white hue according to feather wear and individual variation. The broad black face mask stretches across the neck as a narrow collar, bordered with white. On the crown, the feather shafts are dark, producing a somewhat streaked effect. The upper wings and back are blackish brown. The uppertail coverts are whitish buff again, and the rectrices are barred black and whitish, ending in white. The underside is uniformly pale buff; there may be a bit of.

Laughing falcon. and "guaycurú" (Guaraní).## Distribution and habitat.It is found from both coastal slopes of Mexico through Central and South America south to the Peruvian Amazon and Bolivian Amazon region, practically all of Brazil, and northern Argentina and Paraguay, at altitudes up to 1500 (m) (rarely to 2400 (m) in Colombia), though it is often absent from mountainous regions. It occupies varied habitats, usually including at least scattered trees; it prefers humid regions to arid ones and tends to avoid closed forest. It is generally not migratory, though in some areas it may make seasonal movements.## Behavior.The flight is slow, with quick,.

Laughing falcon. imitate the call of a laughing falcon in order to cure a snake bite.Bassie-Sweet, Karen (2015): "The Ch'ol Maya of Chiapas"; University of Oklahoma Press, Norman. Channing, Keith & Hawk Conservancy Trust (HCT) (1996). Cuervo, Andrés M.; Hernández-Jaramillo, Alejandro; Cortés-Herrera, José Oswaldo & Laverde, Oscar (2007): Nuevos registros de aves en la parte alta de la Serranía de las Quinchas, Magdalena medio, Colombia [New bird records from the highlands of Serranía de las Quinchas, middle Magdalena valley, Colombia]. "Ornitología Colombiana" 5: 94-98 [Spanish with English abstract]. PDF fulltext Howell, Steven N.G. & Webb, Sophie (1995): "A Guide to the Birds.

Laughing falcon. of Mexico and Northern Central America". Oxford University Press, Oxford & New York. Jiménez, Mariano II & Jiménez, Mariano G. (2003): El Zoológico Electrónico – El Halcón Guaicurú "Herpetotheres cachinnans". Version of 2003-AUG-01. Retrieved 2007-FEB-22. Lewis, Charlton T. & Short, Charles (1879): "căchinno. In: A Latin Dictionary". Clarendon Press, Oxford. HTML fulltext Stiles, F. Gary & Skutch, Alexander Frank (1989): "A guide to the birds of Costa Rica". Comistock, Ithaca. Remsen, J. V., Jr.; Cadena, C. D.; Jaramillo, A.; Nores, M.; Pacheco, J. F.; Robbins, M. B.; Schulenberg, T. S.; Stiles, F. G.; Stotz, D. F.; and Zimmer, K. J.

Laughing falcon. Version (2008-12-22). A classification of the bird species of South America. American Ornithologists' Union. HTML fulltext Woodhouse, S.C. (1910): English-Greek Dictionary – A Vocabulary of the Attic Language. George Routledge & Sons Ltd., Broadway House, Ludgate Hill, E.C. Searchable JPEG fulltext Photos, videos and observations at Cornell Lab of Ornithologys Birds of the WorldLaughing falcon videos, photos & sounds on the Internet Bird Collection.


Question: What product does this item produce?

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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 this building named after?

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Lenbachhaus. The Lenbachhaus () is a building housing an art museum in Munich's "Kunstareal".## The building.The Lenbachhaus was built as a Florentine-style villa for the painter Franz von Lenbach between 1887 and 1891 by Gabriel von Seidl and was expanded 1927–1929 by Hans Grässel and again 1969–1972 by Heinrich Volbehr and Rudolf Thönnessen. Some of the rooms have kept their original design.The city of Munich acquired the building in 1924 and opened a museum there in 1929. The latest wing was closed to the public in 2009 to allow the expansion and restoration of the Lenbachhaus by Norman Foster; the 1972.

Lenbachhaus. extension was demolished to make way for the new building. The museum reopened in May 2013. The architect placed the new main entrance on Museumsplatz in front of the Propylaea. The new facade, clad in metal tubes made of an alloy of copper and aluminum, will weather with time.## The gallery.The gallery contains a variety of works by Munich painters and contemporary artists, in styles such as the Blue Rider and New Objectivity.## Munich painters.Starting already with late Gothic paintings, the gallery displays masterpieces by Munich artists such as Jan Polack, Christoph Schwarz, Georges Desmarees ("Countess Holstein" 1754), Wilhelm von.

Lenbachhaus. Kobell, Georg von Dillis, Carl Rottmann ("Cosmic stormlandscape" 1849), Carl Spitzweg ("Childhood Friends", ), Eduard Schleich, Carl Theodor von Piloty, Franz von Stuck ("Salome" 1906), Franz von Lenbach ("Self Portrait with His Wife and Daughters" 1903), Friedrich August von Kaulbach, Wilhelm Leibl ("Veterinarian Reindl in the Arbor" ), Wilhelm Trübner and Hans Thoma.Works by members of the Munich Secession are also on display. The group was founded in 1892, and includes artists such as the impressionist painters Lovis Corinth ("Self-portrait with skeleton" 1896), Max Slevogt ("Danae" 1895) and Fritz von Uhde.## German Schools of Painting and Barbizon.In 2012, the Christoph.

Lenbachhaus. Heilmann Foundation, Munich, and the Lenbachhaus agreed to cooperate closely; in the process, around one hundred works were handed over to the Lenbachhaus. In addition to the Munich school of painting, the Dresden Romanticism and the Berlin school and the Düsseldorf school of painting are also shown in characteristic individual examples; the first portrayal of Barbizon's painters in France is particularly important. The Lenbachhaus now has got a major work by Gustave Courbet, who first appeared in 1851 in an exhibition in Munich next to paintings of Théodore Rousseau.## The Blue Rider.The Lenbachhaus is most famous for the large collection.

Lenbachhaus. of paintings by Der Blaue Reiter (The Blue Rider), a group of expressionist artists established in Munich in 1911 which included, among others, the painters Wassily Kandinsky ("Impression III (Concert)" 1911), Gabriele Münter ("Still Life with St. George" 1911), Franz Marc ("Blue Horse I" 1911), August Macke ("Promenade" 1913), Marianne von Werefkin ("Self Portrait I" ), Alexej von Jawlensky ("Portrait of the Dancer Alexander Sacharoff" 1909), Alfred Kubin ("The Male Sphinx" ), and Paul Klee ("Föhn Wind in Franz Marc's Garden" 1915). Münter donated 1,000 “Blue Rider” works to the museum on her 80th birthday.## New Objectivity.Artists of the New.

Lenbachhaus. Objectivity like Christian Schad ("Operation" 1929) and Rudolf Schlichter ("Bertolt Brecht" ) are exhibited in several rooms.## Contemporary art.The museum gives a very profound view of international contemporary art with works by Franz Ackermann, Dennis Adams, Christian Boltanski, Monica Bonvicini, James Coleman, Thomas Demand, Olafur Eliasson, Valie Export, Dan Flavin, Günther Förg, Günter Fruhtrunk, Rupprecht Geiger, Isa Genzken, Liam Gillick, Katharina Grosse, Michael Heizer, Andy Hope 1930 (Andreas Hofer), Jenny Holzer, Stefan Huber, Asger Jorn, Ellsworth Kelly, Anselm Kiefer, Michaela Melian, Gerhard Merz, Maurizio Nannucci, Roman Opałka, Sigmar Polke, Arnulf Rainer, Gerhard Richter, Michael Sailstorfer, Richard Serra, Katharina Sieverding, Andy.

Lenbachhaus. Warhol, Georgia O'Keeffe, Lawrence Weiner and Martin Wöhrl, as well as artists of the Viennese Actionism. Art installations were added with the opening of the new building, such as a sculpture from Olafur Eliasson. The Lenbachhaus strengthened its investment especially in the oeuvre of Joseph Beuys considerably by acquiring numerous works of art, such as "Zeige deine Wunde" ("Show your wound") 1974/75.Young artists are promoted in exhibitions in the affiliated Kunstbau above the Subway Station Königsplatz.Stephanie Weber curated a solo show of Mark Boulos and film series of Charles Simonds and Christoph Schlingensief, all the while commissioning performances by Tom.

Lenbachhaus. Thayer and C. Spencer Yeh and adding to the collection works by Vito Acconci, Valie Export and Martha Rosler, and worked on a retrospective of Polish-born feminist artist Lea Lublin that opened in summer 2015.On 26 July 2017 a legal battle over a Paul Klee painting titled "Swamp Legend" (1919), seized by Nazis as "degenerate" art in the 1930s, reached a settlement:## Provenance Research.The Lenbachhaus systematically checks the provenance of artworks created before 1945 that entered the collection after 1933. In addition to the examination of the museum's own collection holdings, preliminary reviews of possible new acquisitions, assumptions of permanent.

Lenbachhaus. loans, or endowments also take place. The Lenbachhaus is one of several German museums that are researching the art collector Carl Heumann (1886–1945), who after building in the 1920s and 1930s an important collection of prints of German and Austrian art of the 18th and 19th centuries, was persecuted because of his Jewish origins under the National Socialist regime. The Lenbachhaus approached Carl Heumann's descendants in order to find a just and fair solution regarding the artworks from his collection. Lenbachhaus website Lenbachhaus at the Google Art Project.


Question: What is the location of this building?

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Emirates Stadium. The Emirates Stadium (known as Ashburton Grove prior to sponsorship, and as Arsenal Stadium for UEFA competitions) is a football stadium in Holloway, London, England. It is the home of Arsenal FC, since its completion in 2006. It has a current seated capacity of 60,704, making it the fifth-largest football stadium in England. In 1997, Arsenal explored the possibility of relocating to a new stadium, having been denied planning permission by Islington Council to expand its home stadium, Highbury. After considering various options (including purchasing Wembley Stadium), the club bought an industrial and waste disposal estate in Ashburton Grove in.

Emirates Stadium. planning application for a new-build 60,000 seater stadium in November 2000. This included a redevelopment project at Drayton Park, converting the existing ground Highbury to flats and building a new waste station in Lough Road. As part of the scheme, Arsenal intended to create 1,800 new jobs for the community and 2,300 new homes. Improvements to three railway stations, Holloway Road, Drayton Park and Finsbury Park, were included to cope with the increased capacity requirements from matchday crowds.Islington Stadium Communities Alliance (ISCA) – an alliance of 16 groups representing local residents and businesses, was set up in January 2000 as.

Emirates Stadium. Arsenal station is the closest for the northern portion of the stadium accessed via the Ken Friar bridge, with Highbury & Islington station servicing the southern end. While Holloway Road station is the closest to the southern portion, it is entry-only before matches and exit-only afterwards to prevent overcrowding. Drayton Park station, adjacent to the Danny fiszman Bridge is shut on matchdays as the rail services to this station do not operate at weekends nor after 10 pm. £7.6 million was set aside in the planning permission for upgrading Drayton Park and Holloway Road; however Transport for London decided not.


Question: Who is the owner of this building?

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Chapel of the Resurrection (Valparaiso, Indiana). The Chapel of the Resurrection is the centerpiece structure on the campus of Valparaiso University in Valparaiso, Indiana. Primarily used to facilitate many Lutheran campus worship services, the Chapel of the Resurrection also serves as a site for convocations, musical performances, guest lectures, and commencement ceremonies.The chapel's chancel is 98 (ft) high and is circular in shape; the roof of the apse is shaped like a nine-pointed star. The nave is 58 (ft) high and 193 (ft) long. The building capacity is around 2000, although this number is flexible depending upon the configuration of the chairs, which recently replaced the.

Chapel of the Resurrection (Valparaiso, Indiana). pews. To the southwest of the Chapel lies the Brandt Campanile, a 12-bell tower rising 143 (ft) tall.Clearly visible from U.S. Route 30 and throughout the surrounding community, the building is located on the highest point of ground on the Valparaiso University campus and is a Northwest Indiana landmark.## History.Groundbreaking for the Chapel construction took place in 1956. The building was designed by the architectural firm Charles Stade and Associates of Park Ridge, Illinois, though certain elements and features (e.g., the stone baptistry, the stained glass windows, etc.) were designed by other artists. Peter Dohmen Studios of St. Paul, Minnesota.

Chapel of the Resurrection (Valparaiso, Indiana). designed the 95 (ft) high stained glass windows, as well as the marble interzia altar, and the mosaic at the entrance of the chapel. Adalbert Raphael Kretzmann, pastor and brother of Valparaiso University president O. P. Kretzmann, joined Charles Stade in the building's design.The altar is 20 (ft) long, made of various types of Italian marble. Peter Dohmen designed the inlaid marble pedestals to depict, with symbols, the four evangelists. Matthew is represented by an angel, Mark by a lion, John by an eagle, and Luke by an ox.Peter Dohmen learned his skills at the top art academies of Europe.

Chapel of the Resurrection (Valparaiso, Indiana). building was dedicated in 1959, part of Valparaiso University's centennial celebration, and officially designated as the Chapel of the Resurrection at the 10th anniversary service in 1969.In July and August 2005, the university built a medieval-style prayer labyrinth on the east side of the chapel, 64 feet in diameter. The university is adding 11000 (sqft) to the building in 2014, known as the Helge Center.## Organ.The Reddel Organ in the chapel was built by organ builder Herman Schlicker of Buffalo, New York. A contract for the organ was signed on September 27, 1957 at a cost of $68,000. These funds.


Question: What equipment or engine is used by this vehicle to provide power?

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Nissan Juke. "HR16DE" petrol, 1.5-litre "K9K" diesel and 1.6-litre "MR16DDT" petrol engines: Visia, Acenta (also available with Sport and Premium packs), Tekna, Nismo and Nismo RS. In 2012, Nissan replaced the limited edition Juke Kuru with the Juke Shiro model. The Shiro was a limited edition Juke with white accents throughout the interior including white stitching on the leather seats, gear shifter and steering wheel as well as several other aesthetic options.The car was launched in the UK on 24 September 2010.## New Zealand.Two trim levels: ST and Ti, are available. Both are front-wheel drive and are powered by the HR16DE engine.


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

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Deutsches Eck. Deutsches Eck (, "German Corner") is the name of a promontory in Koblenz, Germany, where the Mosel river joins the Rhine. Named after a local commandry of the Teutonic Order ("Teutonischer Orden"), it became known for a monumental equestrian statue of William I, first German Emperor, erected in 1897 in appreciation of his role in the unification of Germany. One of many Emperor William monuments raised in the Prussian Rhine Province, it was destroyed in World War II and only the plinth was preserved as a memorial. Following German reunification, a replica of the statue was erected on the pedestal.

Deutsches Eck. after controversial discussions in 1993. It is today a Koblenz monument and a popular tourist attraction.## History.The Teutonic Knights were called to Koblenz by the archbishop of Trier, Theoderich von Wied, in 1216 and vested with the estates around the Basilica of St. Castor located directly at the confluence of Mosel and Rhine. Serving mainly in nursing care, the knights soon after established a commandry ("Deutschordenskommende") here, which became the administrative seat of the Koblenz bailiwick directly subordinate to the Grand Master. The premises centred on the "Deutschherrenhaus" building were erected from 1279 onwards and became known as the "Deutsches.

Deutsches Eck. Eck".In about 1600, the Koblenz commander moved his seat further down the Rhine to Cologne. In 1794 the Left Bank of the Rhine was conquered by French revolutionary troops and the ecclesiastical estates secularised from 1802 onwards. The Order's premises were refurbished as part of the Prussian Koblenz Fortress. Later in the 19th century, the area was linked by a pier with a downstream sandbank creating the present-day promontory.## Imperial iconography.After the death of Emperor William I in 1888, his grandson William II wished to spark a nationalist cult around the "founder of the German Reich". In the following years.

Deutsches Eck. the privately funded Kyffhäuser Monument was erected and an Emperor William Monument was inaugurated in Porta Westfalica, both designed by the Leipzig architect Bruno Schmitz. Several other cities had also applied as installation sites and in 1891 William II decided upon the confluence of the Rhine and Mosel rivers at Koblenz. After further landfills at the site and a large-scale collection campaign, the official "Emperor William Monument of the Rhine Province" was erected and solemnly inaugurated in the presence of the emperor on 31 August 1897. Bruno Schmitz again had drawn up the plans for a giant, over 37 (m).

Deutsches Eck. high monument installed at the tip of the "Deutsches Eck", bearing an inscription quoting a verse by the Koblenz poet Max von Schenkendorf: "Nimmer wird das Reich zerstöret, wenn ihr einig seid und treu" ("Never will the Empire be destroyed, so long as you are united and loyal"). Another inscription could be found at the statue dedicating it to "Wilhelm der Große" ("William the Great"). The equestrian statue itself, 14 (m) in height, presented William I in a general's uniform, reminiscent of the Prussian victories in the "German Wars of Unification". His horse is roped by a winged female genius.

Deutsches Eck. Mosel collapsed under the weight of the crowds.## Demolition.While the inner city of Koblenz was hit hard by Allied strategic bombing during World War II, the "Deutsches Eck" remained largely unscathed. On 16 March 1945, however, the statue was badly damaged by an American artillery shell. The Third US Army 87th Artillery unit led by Sergeant Loyd Watson fired upon it after the forward observer saw a German soldier depart from it. They assumed it was a base of operations and it was hit after three attempts. Soon afterwards it was completely taken down. The French military government planned to.

Deutsches Eck. of the site, any decision to reinstall a statue of Wilhelm I rested with the government of the Rhineland-Palatinate. However, the state government transferred its rights to the city of Koblenz. When , a former newspaper publisher from Koblenz, and his wife Anneliese, announced that they would bear all costs for a reconstruction of the statue, the decision was made to proceed with it.The Düsseldorf sculptor, Raymond Kittl, was commissioned to produce a replica of the original sculpture and the remodelled statue was created from durable bronze cast unlike the original which had been made from copper plates. In May.

Deutsches Eck. 1992, the parts of the statue were brought to Koblenz on board the MS Futura. The assembly work was completed at the port and on 2 September 1993 a mobile lattice boom crane lifted the statue onto the base. The installation took place on Sedan Day, which although no longer officially recognized, was the day on which the German victory in the Battle of Sedan was commemorated. On 25 September 1993, the new statue was inaugurated.Today, a big national flag and the flags of the 16 "Länder" are flying at the German Corner as a reminder of German unity. In.


Question: What is the conservation status of this plant? (The status is assigned by the international union for conservation of nature. Choose one among Endangered,Least Concern,Critically Endangered,extinct species,extinct in the wild,Vulnerable,Near Threatened,Data Deficient).

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Venus flytrap. without sufficient data on vulnerability". The IUCN Red List classifies the species as "vulnerable". The State of North Carolina lists "Dionaea muscipula" as a species of "Special Concern–Vulnerable". The species is protected under Appendix II of the Convention on International Trade in Endangered Species (CITES) meaning international trade (including in parts and derivatives) is regulated by the CITES permitting system. NatureServe classified it as "Imperiled" (G2) in a 2018 review.The U.S. Fish and Wildlife Service has not indicated a timeline to conclude its current review of "Dionaea muscipula". The Endangered Species Act specifies a two-year timeline for a species review.


Question: What water body does the river in the image drain to?

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Pohick Creek. Pohick Creek is a 14.0 (mi) tributary stream of the Potomac River in Fairfax County in the U.S. state of Virginia. It takes its name from the Pohick Native American tribe once prevalent in the area.Pohick Creek forms in the vicinity of Burke and flows southeast past the western edge of Fort Belvoir to empty into the tidal Pohick Bay, which itself empties, along with Accotink Bay, into Gunston Cove, an embayment of the tidal Potomac River. Pohick Creek is a popular stream for whitewater kayaking, rafting, and paddling, providing Class II and III rapids along a 5.5 (mi) stretch.

Pohick Creek. and Sideburn Branch in Burke, Virginia. Pohick Creek Creek then flows southeast, forming the border between Burke and West Springfield. After crossing the Fairfax County Parkway, it enters Newington and descends into a gorge where the Gerry Connolly Cross County Trail follows the creek, crossing it eight times. It then passes into Lorton and crosses Interstate 95, the CSX RF&P Subdivision, and U.S. Route 1. It then meets the Potomac River in Pohick Bay about 0.5 miles north of Springfield Farms.## Watershed.Pohick Creek drains 32.21 (sqmi) of area, receives about 43.5 in/year of precipitation, has a topographic wetness index of.


Question: In which year did this facility officially open?

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Battersea Power Station. steam turbine turbo generators, was produced by Metropolitan-Vickers in Trafford Park, Manchester. The building of the steel frame began in October 1930. Once completed, the construction of the brick cladding began, in March 1931. Until the construction of the B Station, the eastern wall of the boiler house was clad in corrugated metal sheeting as a temporary enclosure. The A Station first generated electricity in 1933, but was not completed until 1935. The total cost of its construction was £2,141,550. Between construction beginning in 1929 and 1933, there were six fatal and 201 non-fatal accidents on the site.After the end.


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

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Polypogon monspeliensis. Polypogon monspeliensis, commonly known as annual beard-grass or annual rabbitsfoot grass, is a species of grass. It is native to southern Europe, but it can be found today throughout the world as an introduced species and sometimes a noxious weed. It is an annual grass growing to heights between 5 centimeters and one meter. The soft, fluffy inflorescence is a dense, greenish, plumelike panicle, sometimes divided into lobes. The spikelets have long, thin, whitish awns, which give the inflorescence its texture.Grass Manual TreatmentJepson Manual Treatment — "invasive plant species"USDA Plants Profile — "invasive plant species"Photo gallery.


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

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Tussilago. Tussilago farfara, commonly known as coltsfoot, is a plant in the tribe Senecioneae in the family Asteraceae, native to Europe and parts of western and central Asia. The name "tussilago" is derived from the Latin "tussis", meaning cough, and "ago", meaning to cast or to act on. It has had uses in traditional medicine, but the discovery of toxic pyrrolizidine alkaloids in the plant has resulted in liver health concerns."Tussilago farfara" is the only accepted species in the genus Tussilago, although more than two dozen other species have at one time or another been considered part of this group. Most.

Tussilago. of them are now regarded as members of other genera "(Chaptalia, Chevreulia, Farfugium, Homogyne, Leibnitzia, Petasites, Senecio)."## Description.Coltsfoot is a perennial herbaceous plant that spreads by seeds and rhizomes. "Tussilago" is often found in colonies of dozens of plants. The flowers, which superficially resemble dandelions, bear scale-leaves on the long stems in early spring. The leaves of coltsfoot, which appear after the flowers have set seed, wither and die in the early summer. The flower heads are of yellow florets with an outer row of bracts. The plant is typically 10–30 (cm) in height. The leaves have angular teeth on.

Tussilago. their margins.## Distribution.Coltsfoot is widespread across Europe, Asia, and North Africa, from Svalbard to Morocco to China and the Russian Far East. It is also a common plant in North and South America where it has been introduced, most likely by settlers as a medicinal item. The plant is often found in waste and disturbed places and along roadsides and paths. In some areas it is considered an invasive species.## Name.The common name comes from the leaf's supposed resemblance in shape to a colt's foot. It is a 16th century translation of the medieval Latin name "pes pulli", meaning "foal's.

Tussilago. foot". Other common names include tash plant, ass's foot, bull's foot, coughwort (Old English), farfara, foal's foot, foalswort, and horse foot. Sometimes it is confused with "Petasites frigidus", or western coltsfoot.It has been called "bechion", "bechichie", or "bechie", from the Ancient Greek word for "cough". Also "ungula caballina" ("horse hoof"), and "chamæleuce".## Uses.Coltsfoot has been used in herbal medicine and has been consumed as a food product with some confectionery products, such as Coltsfoot Rock. "Tussilago farfara" leaves have been used in traditional Austrian medicine internally (as tea or syrup) or externally (directly applied) for treatment of disorders of the.

Tussilago. respiratory tract, skin, locomotor system, viral infections, flu, colds, fever, rheumatism and gout. An extract of the fresh leaves has also been used to make cough drops and hard candy.Coltsfoot is used as a food plant by the larvae of some Lepidoptera species including the Gothic and small angle shades. It is also visited by honeybees, providing pollen and nectar.## Toxicity."Tussilago farfara" contains tumorigenic pyrrolizidine alkaloids. Senecionine and senkirkine, present in coltsfoot, have the highest mutagenetic activity of any pyrrolozidine alkaloid, tested using "Drosophila melanogaster" to produce a comparative genotoxicity test.Two cases of supposed liver damage (and death) due to.

Tussilago. coltsfoot tea have been shown to actually be the result of mistaken identity. In one, coltsfoot tea causing severe liver problems in an infant was actually the result of "Adenostyles alliariae" (alpendost). In another case, an infant developed liver disease and died because the mother drank tea originally believed to contain coltsfoot during her pregnancy, but which was later shown to be "Petasites hybridus" (butterbur) or a similar species. In one 27-year-old male, ingesting a multicomponent herbal supplement that included coltsfoot may have caused him to develop non-lethal deep vein thrombosis and pulmonary embolism.In response, the German government banned the.

Tussilago. sale of coltsfoot. Clonal plants of coltsfoot free of pyrrolizidine alkaloids were then developed in Austria and Germany. This has resulted in the development of the registered variety "Tussilago farfara" 'Wien', which has no detectable levels of these alkaloids. List of herbs with known adverse effects R. Schubert & G. Wagner: "Botanisches Wörterbuch" Ulmer, Stuttgart 1993, H. Haeupler & Th. Muer: "Bildatlas der Farn- und Blütenpflanzen Deutschlands" Ulmer Verlag, Stuttgart, 2000. . Gerhard Madaus: "Lehrbuch der biologischen Heilmittel" Bd 1. Heilpflanzen. G. Thieme, Leipzig 1938, Olms, Hildesheim 1979. Guide des plantes sauvages comestibles et toxiques, les guides du naturaliste, François.

Tussilago. Couplan et Eva Stinner Кирпичников М. Э. Семейство сложноцветные, или астровые (Asteraceae, или Compositae) // Жизнь растений. В 6-ти т. / Под ред. А. Л. Тахтаджяна. — М.: Просвещение, 1981. — Т. 5. Ч. 2. Цветковые растения. — С. 462–476. — 300000 экз. Coltsfoot information.


Question: What is the basionym of this plant?

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Toxicodendron diversilobum. Toxicodendron diversilobum (syn. "Rhus diversiloba"), commonly named Pacific poison oak or western poison oak, is a woody vine or shrub in the sumac family, Anacardiaceae. It is widely distributed in western North America, inhabiting conifer and mixed broadleaf forests, woodlands, grasslands, and chaparral biomes. Peak flowering occurs in May. Like other members of the genus "Toxicodendron", "T. diversilobum" causes itching and allergic rashes in most people after contact by touch or smoke inhalation. Despite its name, it is not closely related to oaks.## Description."Toxicodendron diversilobum" is extremely variable in growth habit and leaf appearance. It grows as a dense 0.5-4.