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Unmanned aerial vehicle. An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without any human pilot, crew, or passengers on board. UAVs are a component of an unmanned aircraft system (UAS), which includes adding a ground-based controller and a system of communications with the UAV. The flight of UAVs may operate under remote control by a human operator, as remotely-piloted aircraft (RPA), or with various degrees of autonomy, such as autopilot assistance, up to fully autonomous aircraft that have no provision for human intervention.UAVs were originally developed through the twentieth century for military missions too "dull, dirty or dangerous.

Unmanned aerial vehicle. for humans, and by the twenty-first, they had become essential assets to most militaries. As control technologies improved and costs fell, their use expanded to many non-military applications. These include forest fire monitoring, aerial photography, product deliveries, agriculture, policing and surveillance, infrastructure inspections, entertainment, science, smuggling, and drone racing.## Terminology.Many terms are used for aircraft which fly without any persons on board:The term drone has been used from the early days of aviation, being applied to remotely-flown target aircraft used for practice firing of a battleship's guns, such as the 1920s Fairey Queen and 1930s de Havilland Queen Bee. Later.

Unmanned aerial vehicle. examples included the Airspeed Queen Wasp and Miles Queen Martinet, before ultimate replacement by the GAF Jindivik. The term remains in common use. In addition to the software, autonomous drones also employ a host of advanced technologies that allow them to carry out their missions without human intervention, such as cloud computing, computer vision, artificial intelligence, machine learning, deep learning, and thermal sensors. For recreational uses, an aerial photography drone (as opposed to a UAV) is an aircraft that has first-person video, autonomous capabilities, or both.An unmanned aerial vehicle (UAV) is defined as a "powered, aerial vehicle that does not.

Unmanned aerial vehicle. carry a human operator, uses aerodynamic forces to provide vehicle lift, can fly autonomously or be piloted remotely, can be expendable or recoverable, and can carry a lethal or nonlethal payload". UAV is a term that is commonly applied to military use cases. However missiles with warheads are not considered UAVs because the vehicle itself is a munition. Also, the relation of UAVs to remote controlled model aircraft is unclear, UAVs may or may not include remote-controlled model aircraft. Some jurisdictions base their definition on size or weight; however, the US FAA defines any uncrewed flying craft as a UAV.

Unmanned aerial vehicle. regardless of size. The term "unmanned aircraft system" (UAS) was adopted by the United States Department of Defense (DoD) and the United States Federal Aviation Administration (FAA) in 2005 according to their Unmanned Aircraft System Roadmap 2005–2030. The International Civil Aviation Organization (ICAO) and the British Civil Aviation Authority adopted this term, also used in the European Union's Single-European-Sky (SES) Air-Traffic-Management (ATM) Research (SESAR Joint Undertaking) roadmap for 2020. This term emphasizes the importance of elements other than the aircraft. It includes elements such as ground control stations, data links and other support equipment. A similar term is an "unmanned-aircraft.

Unmanned aerial vehicle. vehicle system" (UAVS), "remotely piloted aerial vehicle" (RPAV), "remotely piloted aircraft system" (RPAS). Many similar terms are in use. "Unoccupied" and "uninhabited" are occasionally used as alternatives to "unmanned". Under new regulations which came into effect 1 June 2019, the term RPAS (Remotely Piloted Aircraft System) has been adopted by the Canadian Government to mean "a set of configurable elements consisting of a remotely piloted aircraft, its control station, the command and control links and any other system elements required during flight operation".## Classification types.UAVs may be classified like any other aircraft, according to design configuration such as weight or.

Unmanned aerial vehicle. engine type, maximum flight altitude, degree of operational autonomy, operational role, etc. According to the United States Department of Defense, UAVs are classified into five categories below:Other classifications of UAVs include:## Range and endurance.There are usually five categories when UAVs are classified by range and endurance:## Size.There are usually four categories when UAVs are classified by size, with at least one of the dimensions (length or wingspan) meet the following respective limits:## Weight.Based on their weight, drones can be classified into five categories — nano (weighing up to 250 g), Micro air vehicles (MAV) (250 g – 2 kg), Miniature.

Unmanned aerial vehicle. UAV or small (SUAV) (2–25 kg), medium (25–150 kg), and large (over 150 kg).## Degree of autonomy.Drones could also be classified based on the degree of autonomy in their flight operations. ICAO classifies uncrewed aircraft as either remotely piloted aircraft or fully autonomous. Some UAVs offer intermediate degrees of autonomy. For example, a vehicle may be remotely piloted in most contexts but have an autonomous return-to-base operation. Some aircraft types may optionally fly manned or as UAVs, which may include manned aircraft transformed into uncrewed or Optionally Piloted UAVs (OPVs).## Altitude.Based on the altitude, the following UAV classifications have been.

Unmanned aerial vehicle. Carrier Guidance System (CACGS) for UAVs## Composite criteria.An example of classification based on the composite criteria is U.S. Military's unmanned aerial systems (UAS) classification of UAVs based on weight, maximum altitude and speed of the UAV component.## History.## Early drones.The earliest recorded use of an unmanned aerial vehicle for warfighting occurred in July 1849, with a balloon carrier (the precursor to the aircraft carrier) in the first offensive use of air power in naval aviation. Austrian forces besieging Venice attempted to launch some 200 incendiary balloons at the besieged city. The balloons were launched mainly from land; however, some were.

Unmanned aerial vehicle. also launched from the Austrian ship . At least one bomb fell in the city; however, due to the wind changing after launch, most of the balloons missed their target, and some drifted back over Austrian lines and the launching ship "Vulcano".The Spanish engineer Leonardo Torres y Quevedo introduced a radio-based control-system called the "Telekino" at the Paris Academy of Science in 1903 with the intention of testing an airship of his own design without risking human lives.Significant development of drones started in the 1900s, and originally focused on providing practice targets for training military personnel. The earliest attempt at.

Unmanned aerial vehicle. a powered UAV was A. M. Low's "Aerial Target" in 1916. Low confirmed that Geoffrey de Havilland's monoplane was the one that flew under control on 21 March 1917 using his radio system. Following this successful demonstration in the spring of 1917 Low was transferred to develop aircraft controlled fast motor launches D.C.B.s with the Royal Navy in 1918 intended to attack shipping and port installations and he also assisted Wing Commander Brock in preparations for the Zeebrugge Raid. Other British unmanned developments followed, leading to the fleet of over 400 de Havilland 82 Queen Bee aerial targets that went.

Unmanned aerial vehicle. in the late 1930s.## World War II.In 1940 Denny started the Radioplane Company and more models emerged during World War II used both to train antiaircraft gunners and to fly attack-missions. Nazi Germany produced and used various UAV aircraft during the war, like the Argus As 292 and the V-1 flying bomb with a jet engine.## Postwar period.After World War II development continued in vehicles such as the American JB-4 (using television/radio-command guidance), the Australian GAF Jindivik and Teledyne Ryan Firebee I of 1951, while companies like Beechcraft offered their Model 1001 for the U.S. Navy in 1955. Nevertheless, they.

Unmanned aerial vehicle. were little more than remote-controlled airplanes until the Vietnam War.In 1959 the U.S. Air Force, concerned about losing pilots over hostile territory, began planning for the use of uncrewed aircraft. Planning intensified after the Soviet Union shot down a U-2 in 1960. Within days, a highly-classified UAV program started under the code name of "Red Wagon". The August 1964 clash in the Tonkin Gulf between naval units of the U.S. and the North Vietnamese Navy initiated America's highly-classified UAVs (Ryan Model 147, Ryan AQM-91 Firefly, Lockheed D-21) into their first combat missions of the Vietnam War. When the Chinese government.

Unmanned aerial vehicle. showed photographs of downed U.S. UAVs via "Wide World Photos", the official U.S. response was "no comment".During the War of Attrition (1967–1970) in the Middle East, Israeli intelligence tested the first tactical UAVs installed with reconnaissance cameras, which successfully returned photos from across the Suez Canal. This was the first time that tactical UAVs that could be launched and landed on any short runway (unlike the heavier jet-based UAVs) were developed and tested in battle.In the 1973 Yom Kippur War, Israel used UAVs as decoys to spur opposing forces into wasting expensive anti-aircraft missiles. After the 1973 Yom Kippur war,.

Unmanned aerial vehicle. a few key people from the team that developed this early UAV joined a small startup company that aimed to develop UAVs into a commercial product, eventually purchased by Tadiran and leading to the development of the first Israeli UAV.In 1973 the U.S. military officially confirmed that they had been using UAVs in Southeast Asia (Vietnam). Over 5,000 U.S. airmen had been killed and over 1,000 more were missing or captured. The USAF 100th Strategic Reconnaissance Wing flew about 3,435 UAV missions during the war at a cost of about 554 UAVs lost to all causes. In the words of.

Unmanned aerial vehicle. USAF General George S. Brown, Commander, Air Force Systems Command, in 1972, "The only reason we need (UAVs) is that we don't want to needlessly expend the man in the cockpit." Later that year, General John C. Meyer, Commander in Chief, Strategic Air Command, stated, "we let the drone do the high-risk flying ... the loss rate is high, but we are willing to risk more of them ...they save lives!"During the 1973 Yom Kippur War, Soviet-supplied surface-to-air missile-batteries in Egypt and Syria caused heavy damage to Israeli fighter jets. As a result, Israel developed the IAI Scout as the.

Unmanned aerial vehicle. first UAV with real-time surveillance. The images and radar decoys provided by these UAVs helped Israel to completely neutralize the Syrian air defenses at the start of the 1982 Lebanon War, resulting in no pilots downed. In Israel in 1987, UAVs were first used as proof-of-concept of super-agility, post-stall controlled flight in combat-flight simulations that involved tailless, stealth-technology-based, three-dimensional thrust vectoring flight-control, and jet-steering.## Modern UAVs.With the maturing and miniaturization of applicable technologies in the 1980s and 1990s, interest in UAVs grew within the higher echelons of the U.S. military. In the 1990s, the U.S. DoD gave a contract to.

Unmanned aerial vehicle. AAI Corporation along with Israeli company Malat. The U.S. Navy bought the AAI Pioneer UAV that AAI and Malat developed jointly. Many of these UAVs saw service in the 1991 Gulf War. UAVs demonstrated the possibility of cheaper, more capable fighting-machines, deployable without risk to aircrews. Initial generations primarily involved surveillance aircraft, but some carried armaments, such as the General Atomics MQ-1 Predator, that launched AGM-114 Hellfire air-to-ground missiles.CAPECON, a European Union project to develop UAVs, ran from 1 May 2002 to 31 December 2005. the United States Air Force (USAF) employed 7,494 UAVs almost one in three USAF aircraft.

Unmanned aerial vehicle. The Central Intelligence Agency also operated UAVs. By 2013 at least 50 countries used UAVs. China, Iran, Israel, Pakistan, Turkey, and others designed and built their own varieties. The use of drones has continued to increase. Due to their wide proliferation, no comprehensive list of UAV systems exists.The development of smart technologies and improved electrical-power systems led to a parallel increase in the use of drones for consumer and general aviation activities. As of 2021, quadcopter drones exemplify the widespread popularity of hobby radio-controlled aircraft and toys, however the use of UAVs in commercial and general aviation is limited by.

Unmanned aerial vehicle. a lack of autonomy and by new regulatory environments which require line-of-sight contact with the pilot.In 2020 a Kargu 2 drone hunted down and attacked a human target in Libya, according to a report from the UN Security Council's Panel of Experts on Libya, published in March 2021. This may have been the first time an autonomous killer-robot armed with lethal weaponry attacked human beings.Superior drone technology played a role in Azerbaijan's successes in the 2020 Nagorno-Karabakh war against Armenia.UAVs are also used in NASA missions. The Dragonfly spacecraft is being developed, and is aiming to reach and examine Saturn's.

Unmanned aerial vehicle. moon Titan. Its primary goal is to roam around the surface, expanding the amount of area to be researched previously seen by Landers. As a UAV, Dragonfly allows examination of potentially diverse types of soil. The drone is set to launch in 2027, and is estimated to take a seven more years to reach the Saturnian system.## Design.Crewed and uncrewed aircraft of the same type generally have recognizably similar physical components. The main exceptions are the cockpit and environmental control system or life support systems. Some UAVs carry payloads (such as a camera) that weigh considerably less than an adult.

Unmanned aerial vehicle. human, and as a result, can be considerably smaller. Though they carry heavy payloads, weaponized military UAVs are lighter than their crewed counterparts with comparable armaments.Small civilian UAVs have no life-critical systems, and can thus be built out of lighter but less sturdy materials and shapes, and can use less robustly tested electronic control systems. For small UAVs, the quadcopter design has become popular, though this layout is rarely used for crewed aircraft. Miniaturization means that less-powerful propulsion technologies can be used that are not feasible for crewed aircraft, such as small electric motors and batteries.Control systems for UAVs are.

Unmanned aerial vehicle. often different than crewed craft. For remote human control, a camera and video link almost always replace the cockpit windows; radio-transmitted digital commands replace physical cockpit controls. Autopilot software is used on both crewed and uncrewed aircraft, with varying feature sets.## Aircraft configuration.The primary difference from manned aeroplanes is the lack of need for a cockpit area and its windows. However some types are adapted from piloted examples, or are designed for optional piloted or unmanned operational modes. Air safety is also less of a critical requirement for unmanned aircraft, allowing the designer greater freedom to experiment. These two factors.

Unmanned aerial vehicle. have led to a great variety of airframe and engine configurations in UAVs.For conventional flight the flying wing and blended wing body offer light weight combined with low drag and stealth, and are popular configurations. Larger types which carry a variable payload are more likely to feature a distinct fuselage with a tail for stability, control and trim, although the wing configurations in use vary widely.For vertical flight, the tailless quadcopter requires a relatively simple control system and is common for smaller UAVs. However the mechanism does not scale well to larger aircraft, which tend to use a conventional single.

Unmanned aerial vehicle. rotor with collective and cyclic pitch control, along with a stabilising tail rotor.## Propulsion.Traditional internal combustion and jet engines remain in use for drones requiring long range. However for shorter-range missions electric power has almost entirely taken over. The distance record for a UAV (built from balsa wood and mylar skin) across the North Atlantic Ocean is held by a gasoline model airplane or UAV. Manard Hill "in 2003 when one of his creations flew 1,882 miles across the Atlantic Ocean on less than a gallon of fuel" holds this record.Besides the traditional piston engine, the Wankel rotary engine is.

Unmanned aerial vehicle. used by some drones. This type offers high power output for lower weight, with quieter and more vibration-free running. Claims have also been made for improved reliability and greater range.Small drones mostly use lithium-polymer batteries (Li-Po), while some larger vehicles have adopted the a hydrogen fuel cell. The energy density of modern Li-Po batteries is far less than gasoline or hydrogen. However electric motors are cheaper, lighter and quieter. Complex multi-engine, multi-propeller installations are under development with the goal of improving aerodynamic and propulsive efficiency. For such complex power installations, Battery elimination circuitry (BEC) may be used to centralize power.

Unmanned aerial vehicle. distribution and minimize heating, under the control of a microcontroller unit (MCU).## Ornithopters – wing propulsion.Flapping-wing ornithopters, imitating birds or insects, have been flown as microUAVs. Their inherent stealth recommends them for spy missions.Sub-1g microUAVs inspired by flies, albeit using a power tether, have been able to "land" on vertical surfaces. Other projects mimic the flight of beetles and other insects.## Computer control systems.UAV computing capability followed the advances of computing technology, beginning with analog controls and evolving into microcontrollers, then system-on-a-chip (SOC) and single-board computers (SBC).System hardware for small UAVs is often called the flight controller (FC), flight controller.

Unmanned aerial vehicle. board (FCB) or autopilot.## Architecture.## Sensors.Position and movement sensors give information about the aircraft state. Exteroceptive sensors deal with external information like distance measurements, while exproprioceptive ones correlate internal and external states.Non-cooperative sensors are able to detect targets autonomously so they are used for separation assurance and collision avoidance.Degrees of freedom (DOF) refers to both the amount and quality of sensors on board: 6 DOF implies 3-axis gyroscopes and accelerometers (a typical inertial measurement unit IMU), 9 DOF refers to an IMU plus a compass, 10 DOF adds a barometer and 11 DOF usually adds a GPS receiver.## Actuators.UAV actuators.

Unmanned aerial vehicle. include digital electronic speed controllers (which control the RPM of the motors) linked to motors/engines and propellers, servomotors (for planes and helicopters mostly), weapons, payload actuators, LEDs and speakers.## Software.UAV software called the flight stack or autopilot. The purpose of the flight stack is to obtain data from sensors, control motors to ensure UAV stability, and facilitate ground control and mission planning communication.UAVs are real-time systems that require rapid response to changing sensor data. As a result, UAVs rely on single-board computers for their computational needs. Examples of such single-board computers include Raspberry Pis, Beagleboards, etc. shielded with NavIO, PXFMini,.

Unmanned aerial vehicle. etc. or designed from scratch such as NuttX, preemptive-RT Linux, Xenomai, Orocos-Robot Operating System or DDS-ROS 2.0.Civil-use open-source stacks include: Agilicious (also open-source hardware) ArduCopter CrazyFlie KKMultiCopter MultiWii BaseFlight (forked from MultiWii) CleanFlight (forked from BaseFlight) BetaFlight (forked from CleanFlight) iNav (forked from CleanFlight) RaceFlight (forked from CleanFlight) OpenPilot dRonin (forked from OpenPilot) LibrePilot (forked from OpenPilot) TauLabs (forked from OpenPilot) Paparazzi PX4 autopilot DroneCode (Umbrella organization managing PX4 within the Linux Foundation)Due to the open-source nature of UAV software, they can be customized to fit specific applications. For example, researchers from the Technical University of Košice have replaced the.

Unmanned aerial vehicle. default control algorithm of the PX4 autopilot. This flexibility and collaborative effort has led to a large number of different open-source stacks, some of which are forked from others, such as CleanFlight, which is forked from BaseFlight and from which three other stacks are forked from.## Loop principles.UAVs employ open-loop, closed-loop or hybrid control architectures. Open loop This type provides a positive control signal (faster, slower, left, right, up, down) without incorporating feedback from sensor data. Closed loop This type incorporates sensor feedback to adjust behavior (reduce speed to reflect tailwind, move to altitude 300 feet). The PID controller is.

Unmanned aerial vehicle. common. Sometimes, feedforward is employed, transferring the need to close the loop further.## Communications.UAVs use a radio for control and exchange of video and other data. Early UAVs had only narrowband uplink. Downlinks came later. These bi-directional narrowband radio links carried command and control (C&C) and telemetry data about the status of aircraft systems to the remote operator.In most modern UAV applications, video transmission is required. So instead of having separate links for C&C, telemetry and video traffic, a broadband link is used to carry all types of data. These broadband links can leverage quality of service techniques and carry.

Unmanned aerial vehicle. TCP/IP traffic that can be routed over the Internet.The radio signal from the operator side can be issued from either: Ground control – a human operating a radio transmitter/receiver, a smartphone, a tablet, a computer, or the original meaning of a military ground control station (GCS). Remote network system, such as satellite duplex data links for some military powers. Downstream digital video over mobile networks has also entered consumer markets, while direct UAV control uplink over the cellular mesh and LTE have been demonstrated and are in trials. Another aircraft, serving as a relay or mobile control station military manned-unmanned.

Unmanned aerial vehicle. teaming (MUM-T).Modern networking standards have explicitly considered drones and therefore include optimizations. The 5G standard has mandated reduced user plane latency to 1ms while using ultra-reliable and low-latency communications.## Autonomy.The level of autonomy in UAVs varies widely. UAV manufacturers often build in specific autonomous operations, such as: Self-level: attitude stabilization on the pitch and roll axes. Altitude hold: The aircraft maintains its altitude using barometric pressure and/or GPS data. Hover/position hold: Keep level pitch and roll, stable yaw heading and altitude while maintaining position using GNSS or inertial sensors. Headless mode: Pitch control relative to the position of the pilot.

Unmanned aerial vehicle. Performance considerations.## Flight envelope.UAVs can be programmed to perform aggressive maneuvers or landing/perching on inclined surfaces, and then to climb toward better communication spots. Some UAVs can control flight with varying flight modelisation, such as VTOL designs.UAVs can also implement perching on a flat vertical surface.## Endurance.UAV endurance is not constrained by the physiological capabilities of a human pilot.Because of their small size, low weight, low vibration and high power to weight ratio, Wankel rotary engines are used in many large UAVs. Their engine rotors cannot seize; the engine is not susceptible to shock-cooling during descent and it does not.

Unmanned aerial vehicle. require an enriched fuel mixture for cooling at high power. These attributes reduce fuel usage, increasing range or payload.Proper drone cooling is essential for long-term drone endurance. Overheating and subsequent engine failure is the most common cause of drone failure.Hydrogen fuel cells, using hydrogen power, may be able to extend the endurance of small UAVs, up to several hours.Micro air vehicles endurance is so far best achieved with flapping-wing UAVs, followed by planes and multirotors standing last, due to lower Reynolds number.Solar-electric UAVs, a concept originally championed by the AstroFlight Sunrise in 1974, have achieved flight times of several weeks.Solar-powered.

Unmanned aerial vehicle. atmospheric satellites ("atmosats") designed for operating at altitudes exceeding 20 km (12 miles, or 60,000 feet) for as long as five years could potentially perform duties more economically and with more versatility than low Earth orbit satellites. Likely applications include weather monitoring, disaster recovery, Earth imaging and communications.Electric UAVs powered by microwave power transmission or laser power beaming are other potential endurance solutions.Another application for a high endurance UAV would be to "stare" at a battlefield for a long interval (ARGUS-IS, Gorgon Stare, Integrated Sensor Is Structure) to record events that could then be played backwards to track battlefield activities.##.

Unmanned aerial vehicle. Reliability.Reliability improvements target all aspects of UAV systems, using resilience engineering and fault tolerance techniques.Individual reliability covers robustness of flight controllers, to ensure safety without excessive redundancy to minimize cost and weight. Besides, dynamic assessment of flight envelope allows damage-resilient UAVs, using non-linear analysis with ad hoc designed loops or neural networks. UAV software liability is bending toward the design and certifications of crewed avionics software.Swarm resilience involves maintaining operational capabilities and reconfiguring tasks given unit failures.## Applications.In recent years, autonomous drones have begun to transform various application areas as they can fly beyond visual line of sight (BVLOS) while.

Unmanned aerial vehicle. maximizing production, reducing costs and risks, ensuring site safety, security and regulatory compliance, and protecting the human workforce in times of a pandemic. They can also be used for consumer-related missions like package delivery, as demonstrated by Amazon Prime Air, and critical deliveries of health supplies.There are numerous civilian, commercial, military, and aerospace applications for UAVs. These include:General: Recreation, Disaster relief, archeology, conservation of biodiversity and habitat, law enforcement, crime, and terrorism. Commercial: Aerial surveillance, filmmaking, journalism, scientific research, surveying, cargo transport, mining, manufacturing, Forestry, solar farming, thermal energy, ports and agriculture.## Warfare.With extensive cost reductions and advancements in the.

Unmanned aerial vehicle. UAVs technology, the defense forces around the globe are increasingly using these for various applications such as surveillance, logistics, communication, attack and combat.As of 2020, seventeen countries have armed UAVs, and more than 100 countries use UAVs in a military capacity. The global military UAV market is dominated by companies based in the United States, Turkey, China, Israel and Iran. By sale numbers, the US held over 60% military-market share in 2017. Top military UAV manufactures are including General Atomics, Lockheed Martin, Northrop Grumman, Boeing, Baykar, TAI, IAIO, CASC and CAIG. China has established and expanded its presence in military.

Unmanned aerial vehicle. UAV market since 2010. Turkey also established and expanded its presence in military UAV market.Of the 18 countries that are known to have received military drones between 2010 to 2019, the top 12 all purchased their drones from China. According to a report of 2015, Israeli companies mainly focus on small surveillance UAV systems and by quantity of drones, Israel exported 60.7% (2014) of UAV on the market while the United States export 23.9% (2014). Between 2010 and 2014, there were 439 drones exchanged compared to 322 in the five years previous to that, among these only small fraction of.

Unmanned aerial vehicle. overall trade – just 11 (2.5%) of the 439 are armed drones. The US alone operated over 9,000 military UAVs in 2014; among them more than 7000 are RQ-11 Raven miniature UAVs. General Atomics is the dominant manufacturer with the Global Hawk and Predator/Mariner systems product-line.For intelligence and reconnaissance missions, the inherent stealth of micro UAV flapping-wing ornithopters, imitating birds or insects, offers potential for covert surveillance and makes them difficult targets to bring down.UAVs are used for reconnaissance, attack, demining, and target practice.## Civil.The civilian (commercial and general) drone market is dominated by Chinese companies. Chinese drone manufacturer DJI.

Unmanned aerial vehicle. alone had 74% of the civil market share in 2018, with no other company accounting for more than 5%, and with $11 billion forecast global sales in 2020. Following increased scrutiny of its activities, the US Interior Department grounded its fleet of DJI drones in 2020, while the Justice Department prohibited the use of federal funds for the purchase of DJI and other foreign made UAVs. DJI is followed by Chinese company Yuneec, US company 3D Robotics and French company Parrot with a significant gap in market share. As of May 2021, 873,576 UAVs have been registered with the US.

Unmanned aerial vehicle. FAA, of which 42% are categorized as commercial drones and 58% as recreational drones. 2018 NPD point to consumers increasingly purchasing drones with more advanced features with 33 percent growth in both the $500+ and $1000+ market segments.The civil UAV market is relatively new compared to the military one. Companies are emerging in both developed and developing nations at the same time. Many early stage startups have received support and funding from investors as is the case in the United States and by government agencies as is the case in India. Some universities offer research and training programs or degrees.

Unmanned aerial vehicle. Private entities also provide online and in-person training programs for both recreational and commercial UAV use.Consumer drones are also widely used by military organizations worldwide because of the cost-effective nature of consumer product. In 2018, Israeli military started to use DJI Mavic and Matrice series of UAV for light reconnaissance mission since the civil drones are easier to use and have higher reliability. DJI drones is also the most widely used commercial unmanned aerial system that the US Army has employed. DJI surveillance drones have also been used by Chinese police in Xinjiang since 2017.The global UAV market will reach.

Unmanned aerial vehicle. US$21.47 billion, with the Indian market touching the US$885.7 million mark, by 2021.Lighted drones are beginning to be used in nighttime displays for artistic and advertising purposes.## Aerial photography.Drones are ideally suited to capturing aerial shots in photography and cinematography, and are widely used for this purpose. Small drones avoid the need for precise coordination between pilot and cameraman, with the same person taking on both roles. However, big drones with professional cine cameras, there is usually a drone pilot and a camera operator who controls camera angle and lens. For example, the AERIGON cinema drone which is used in.

Unmanned aerial vehicle. film production in big blockbuster movies is operated by 2 people. Drones provide access to dangerous, remote or otherwise inaccessible sites.## Agriculture and forestry.As global demand for food production grows exponentially, resources are depleted, farmland is reduced, and agricultural labor is increasingly in short supply, there is an urgent need for more convenient and smarter agricultural solutions than traditional methods, and the agricultural drone and robotics industry is expected to make progress. Agricultural drones have been used in areas such as Africa to help build sustainable agriculture.The use of UAVs is also being investigated to help detect and fight wildfires,.

Unmanned aerial vehicle. whether through observation or launching pyrotechnic devices to start backfires.## Law enforcement.Police can use drones for applications such as search and rescue and traffic monitoring.## Safety and security.## Threats.## Nuisance.UAVs can threaten airspace security in numerous ways, including unintentional collisions or other interference with other aircraft, deliberate attacks or by distracting pilots or flight controllers. The first incident of a drone-airplane collision occurred in mid-October 2017 in Quebec City, Canada. The first recorded instance of a drone collision with a hot air balloon occurred on 10 August 2018 in Driggs, Idaho, United States; although there was no significant damage to.

Unmanned aerial vehicle. the balloon nor any injuries to its 3 occupants, the balloon pilot reported the incident to the National Transportation Safety Board, stating that "I hope this incident helps create a conversation of respect for nature, the airspace, and rules and regulations". Unauthorized UAV flights into or near major airports have prompted extended shutdowns of commercial flights.Drones caused significant disruption at Gatwick Airport during December 2018, needing the deployment of the British Army.In the United States, flying close to a wildfire is punishable by a maximum $25,000 fine. Nonetheless, in 2014 and 2015, firefighting air support in California was hindered on.

Unmanned aerial vehicle. several occasions, including at the Lake Fire and the North Fire. In response, California legislators introduced a bill that would allow firefighters to disable UAVs which invaded restricted airspace. The FAA later required registration of most UAVs.## Security vulnerabilities.By 2017, drones were being used to drop contraband into prisons.The interest in UAVs cyber security has been raised greatly after the Predator UAV video stream hijacking incident in 2009, where Islamic militants used cheap, off-the-shelf equipment to stream video feeds from a UAV. Another risk is the possibility of hijacking or jamming a UAV in flight. Several security researchers have made.

Unmanned aerial vehicle. public some vulnerabilities in commercial UAVs, in some cases even providing full source code or tools to reproduce their attacks. At a workshop on UAVs and privacy in October 2016, researchers from the Federal Trade Commission showed they were able to hack into three different consumer quadcopters and noted that UAV manufacturers can make their UAVs more secure by the basic security measures of encrypting the Wi-Fi signal and adding password protection.## Aggression.UAVs could be loaded with dangerous payloads, and crashed into vulnerable targets. Payloads could include explosives, chemical, radiological or biological hazards. UAVs with generally non-lethal payloads could possibly.

Unmanned aerial vehicle. be hacked and put to malicious purposes. Anti-UAV systems are being developed by states to counter this threat. This is, however, proving difficult. As Dr J. Rogers stated in an interview to A&T "There is a big debate out there at the moment about what the best way is to counter these small UAVs, whether they are used by hobbyists causing a bit of a nuisance or in a more sinister manner by a terrorist actor".## Countermeasures.## Counter unmanned air system.The malicious use of UAVs has led to the development of counter unmanned air system (C-UAS) technologies. Automatic tracking and.

Unmanned aerial vehicle. detection of UAVs from commercial cameras have become accurate thanks to the development of deep learning based machine learning algorithms. It is also possible to automatically identify UAVs across different cameras with different view points and hardware specification with re-identification methods. Commercial solutions such as the Aaronia AARTOS have been installed on major international airports. Anti-aircraft missile systems such as the Iron Dome are also being enhanced with C-UAS technologies. Utilising a smart UAV swarm to counter one or more hostile UAVs is also proposed.## Regulation.Regulatory bodies around the world are developing unmanned aircraft system traffic management solutions to better.

Unmanned aerial vehicle. integrate UAVs into airspace.The use of unmanned aerial vehicles is becoming increasingly regulated by the civil aviation authorities of individual countries. Regulatory regimes can differ significantly according to drone size and use. The International Civil Aviation Organization (ICAO) began exploring the use of drone technology as far back as 2005, which resulted in a 2011 report. France was among the first countries to set a national framework based on this report and larger aviation bodies such as the FAA and the EASA quickly followed suit. In 2021, the FAA published a rule requiring all commercially-used UAVs and all UAVs regardless.

Unmanned aerial vehicle. of intent weighing 250g or more to participate in Remote ID, which makes drone locations, controller locations, and other information public from takeoff to shutdown; this rule has since been challenged in the pending federal lawsuit "RaceDayQuads v. FAA".## Export controls.The export of UAVs or technology capable of carrying a 500 kg payload at least 300 km is restricted in many countries by the Missile Technology Control Regime. List of unmanned aerial vehicles Delivery drone Drone in a Box International Aerial Robotics Competition List of films featuring drones Micromechanical Flying Insect ParcAberporth Quadcopter Radio-controlled aircraft Satellite Sentinel Project Tactical Control.

Unmanned aerial vehicle. System UAV ground control station Unmanned underwater vehicleAxe, David. "Drone War Vietnam." Pen & Sword, Military. Great Britain. (2021). ISBN 978 1 52677 026 4 Hill, J., & Rogers, A. (2014). "". "Vancouver Island University Arts & Humanities Colloquium Series". Rogers, A., & Hill, J. (2014). "Unmanned: Drone warfare and global security". Between the Lines. How Intelligent Drones Are Shaping the Future of Warfare, "Rolling Stone Magazine.


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Batu Caves Murugan Statue. Batu Caves Murugan Statue (Tamil: முருகன் சிலை; Bahasa Malaysia: Tugu Dewa Murugga), is the tallest statue of a Hindu deity in Malaysia and third tallest statue of a Hindu deity in the world, after Garuda Wisnu Kencana Statue in Indonesia and Kailashnath Mahadev Statue in Nepal. It is also the tallest statue in Malaysia at 42.7 metres (140 ft) in height. The statue was built by Tamil Malaysians. It took three years to construct, and was unveiled in January 2006 during Thaipusam festival. The managing authority of the temple rests with the Tamil descendants. Inspired by this statue, 146 ft.


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Náměstí Republiky, Prague. Náměstí Republiky ("Republic Square") is a city square in Prague, Czech Republic, lying at the boundary of the Old Town and New Town. On the square, or in the very near vicinity, are these significant buildings: Kotva Department Store, Municipal House, Powder Tower, Czech National Bank and Palladium shopping mall. From the square leads Na příkopě street, the most expensive street among the all states of the V4, connecting it with the Wenceslas Square.


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

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Nelumbo lutea. Nelumbo lutea is a species of flowering plant in the family Nelumbonaceae. Common names include American lotus, yellow lotus, water-chinquapin, and volée. It is native to North America. The botanical name "Nelumbo lutea" Willd. is the currently recognized name for this species, which has been classified under the former names "Nelumbium luteum" and "Nelumbo pentapetala", among others.## Description.American lotus is an emergent aquatic plant. It grows in lakes and swamps, as well as areas subject to flooding. The roots are anchored in the mud, but the leaves and flowers emerge above the water's surface. The petioles of the leaves may.

Nelumbo lutea. extend as much as 2 (m) and end in a round leaf blade 33 - 43 (cm) in diameter. Mature plants range in height from 0.8 to 1.5 (m).Flowering begins in late spring and may continue into the summer. The specific name means "yellow" in Latin and refers to the flowers, which may be white to pale yellow. The flowers measure 18 - 28 (cm) in diameter and have 22-25 petals.It is the larval host plant of the American lotus borer, "Ostrinia penitalis".However, "Nelumbo lutea" populations are declining in the U.S. due to habitat destruction, and it has been listed.

Nelumbo lutea. as threatened or endangered in New Jersey, Michigan, and Pennsylvania, and extirpated in Delaware. Their populations have a low level of genetic diversity, showing variation among different populations rather than within populations.## Range.The native distribution of the species is Minnesota to Oklahoma, Florida, Mexico, Honduras, and the Caribbean. It was apparently distributed northwards in the United States by Native Americans who carried the plant with them as a food source.## Uses.This plant has a large tuberous rhizome that is used as a food source. This may be the plant called "macoupin" in Miami-Illinois. The seed is also edible and is.

Nelumbo lutea. known as "alligator corn". The seedlike fruits can be shaken loose, and are also edible. The unopened leaves and young stalks can be cooked.The species is widely planted in ponds for its foliage and flowers. American Lotus spreads via creeping rhizomes and seeds. This species has been crossed with "N. nucifera" to create many hybrids. Seeds may be propagated by scarifying the pointed tip of the seed with a file then soaking in water. Propagation is also possible by division of established plants.## Other media.Disney's character Princess Tiana wears as her iconic princess dress, a gown fashioned from a yellow.

Nelumbo lutea. "Nelumbo lutea".American Lotus, Illinois Natural History SurveyIlliniwik Food SourcesPrairie Place Names, Illinois Department of Natural Resources.


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

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Iris xiphium. Iris xiphium, commonly known as the Spanish iris, is an iris native to Spain and Portugal. It has also been found in Corsica, South West France, southern Italy, Algeria and Tunisia. This species is also known as the small bulbous-rooted iris.It was first illustrated in 'Flowers of the Mediterranean' in 1965.It is bulbous and bears blue, violet, white or yellow flowers, though they are not so large as those of "I. xiphiodes". They are around 6 cm wide. The plant can reach up to 80 cm, It typically flowers in May and June, but not always.The greyish-green leaves emerge in.

Iris xiphium. autumn, they grow between 20–70 cm tall.The leaves die after the flowers fade.The Spanish iris is favoured by florists for its striking colour combinations. This species has several varieties popular in horticulture, among them var. "lusitanica" whose flowers are yellow all over.It is among the hardier bulbous irises, and can be grown in northern Europe. But not in all of North America, where frosts would damage the autumn foliage. It requires to be planted in thoroughly drained beds in very light open soil, moderately enriched, and should have a rather sheltered position.## Hybrids.A popular hybrid ("Iris tingitana" × "Iris xiphium").

Iris xiphium. is known as Dutch Iris or "Iris" × "hollandica".## Cultivars.Known cultivars;Most growing up to 80 cm (32 in) tall with lance shaped mid-green leaves. 'Blue Angel' (mid blue) 'Bronze Queen' (golden brown) 'Golden Harvest' (deep rich yello) 'Lusitanica' (yellow) 'Professor Blaauw' (deep blue) 'Purple Sensation' (purple) 'Queen Wilhelmina' (white) 'Wedgewood' (bright blue) 'White Excelsior' (white, with yellow stripe down the fall centres).


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Vipera berus. specimens of 104 (cm) have been observed there on two occasions. In France and Great Britain, the maximum size is 80 - 87 (cm). Mass ranges from 50 (g) to about 180 (g).The head is fairly large and distinct and its sides are almost flat and vertical. The edge of the snout is usually raised into a low ridge. Seen from above, the rostral scale is not visible, or only just. Immediately behind the rostral, there are two (rarely one) small scales.Dorsally, there are usually five large plates: a squarish frontal (longer than wide, sometimes rectangular), two parietals (sometimes with.

Vipera berus. a tiny scale between the frontal and the parietals), and two long and narrow supraoculars. The latter are large and distinct, each separated from the frontal by one to four small scales. The nostril is situated in a shallow depression within a large nasal scale.The eye is relatively large—equal in size or slightly larger than the nasal scale—but often smaller in females. Below the supraoculars are six to 13 (usually eight to 10) small circumorbital scales. The temporal scales are smooth (rarely weakly keeled). There are 10–12 sublabials and six to 10 (usually eight or 9) supralabials. Of the latter,.

Vipera berus. 10 million partridges each year by countryside estates has also been suggested to have a significant impact on adder populations across the UK, with the possibility the reptile could be extinct within 12 years.## Behaviour.This species is mainly diurnal, especially in the north of its range. Further south it is said to be active in the evening, and it may even be active at night during the summer months. It is predominantly a terrestrial species, although it has been known to climb up banks and into low bushes in order to bask or search for prey.Adders are not usually aggressive,.

Vipera berus. toxicity as being relatively low compared to other viper species. They cite Minton (1974) who reported the values for mice to be 0.55 mg/kg IV, 0.80 mg/kg IP and 6.45 mg/kg SC. As a comparison, in one test the minimum lethal dose of venom for a guinea pig was 40–67 mg, but only 1.7 mg was necessary when "Daboia russelii" venom was used. Brown (1973) gives a higher subcutaneous LD50 range of 1.0–4.0 mg/kg. All agree that the venom yield is low: Minton (1974) mentions 10–18 mg for specimens 48 – 62 (cm) in length, while Brown (1973) lists only.

Vipera berus. possible after any bite. Very occasionally bites can be life-threatening, particularly in small children, while adults may experience discomfort and disability long after the bite. The length of recovery varies, but may take up to a year. Surprisingly, Norway has on average registered one death from the snake every 10 years, despite only having 200-500 reports of bites a year.Local symptoms include immediate and intense pain, followed after a few minutes (but perhaps by as much as 30 minutes) by swelling and a tingling sensation. Blisters containing blood are not common. The pain may spread within a few hours, along.


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

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Catfish. group. This is supported by molecular evidence.Catfish belong to a superorder called the Ostariophysi, which also includes the Cypriniformes, Characiformes, Gonorynchiformes and Gymnotiformes, a superorder characterized by the Weberian apparatus. Some place Gymnotiformes as a sub-order of Siluriformes, however this is not as widely accepted. Currently, the Siluriformes are said to be the sister group to the Gymnotiformes, though this has been debated due to more recent molecular evidence. there are about 36 extant catfish families, and about 3,093 extant species have been described. This makes the catfish order the second or third most diverse vertebrate order; in fact, 1.


Question: What is the source that produces this material?

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Tortoiseshell. Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely because of its exploitation for this trade. The large size, fine color, and unusual form of the hawksbill's scutes make it especially suitable. The distinctive patterning is referred to in names such as the tortoiseshell cat, several breeds of guinea pig, and the common names of several species of the butterfly genera "Nymphalis" and "Aglais", and some other uses.## Uses.Tortoiseshell was widely used.


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Botanical Museum Greifswald. The Botanical Museum Greifswald (German: Botanisches Museum Greifswald) is a scientific collection at the department of botany of the University of Greifswald. It was founded around 1850 by Julius Münter and is the largest botanical collection in the state of Mecklenburg-Vorpommern.## History.A herbarium was created in the 17th century when Samuel Gustav Wilcke founded the Botanical Gardens of Greifswald. The Botanical museum was founded by Julius Münter between 1845 and 1855. Münter and his assistants Hermann Zabel and Ludwig Holtz collected botanical objects from the region of New Western Pomerania. The collections were later extended to specimens from other regions.##.

Botanical Museum Greifswald. Holdings.The collection includes "naturalia" such as wood samples, plant compounds, and drugs as well as "artificialia" such as scientific models, instruments, and wall charts. The core of the collection consists of the herbarium with roughly 300.000 specimens and the teaching collection with many botanical models.The “Herbarium Higher Plants” (GFV) documents many endangered or extinct species and serves as the central herbarium of the state of Mecklenburg-Vorpommern. The holdings include 250.000 specimens of ferns and spermatophytes, 30.000 algae, 17.000 moss, and 8.000 lichens. The teaching collection contains flower models of the model makers Robert Brendel and Paul Osterloh, as well as.

Botanical Museum Greifswald. the "Arnoldsche Obst-Cabinet" (Arnold’s fruit cabinet) with 214 (originally 455) models of fruits. The porcelain models were produced between 1856 and 1899 in Gotha. Birgit Dahlenburg (edit.): Wissen sammeln. Die digitalisierten Schätze der Universität Greifswald. Sammlungsobjekte der Botanik, Zoologie sowie Ur- und Frühgeschichte Greifswald 2011 Birgit Litterski: Sammlungen des Botanischen Institutsin: Kulturbesitz und Sammlungen der Ernst-Moritz-Arndt-Universität Greifswald. Hrsg. von Ernst-Moritz-Arndt-Universität Greifswald, Rostock 1995, p. 81-82 Susanne Starke & Martin Schnittler (2009): Die Sammlungen des Botanischen Institutes der Ernst-Moritz- Arndt-Universität Greifswald. In: Obst, K., Reinicke, G.-B., Richter, S. & Seemann, R. [edit.] Schatzkammern der Natur – Naturkundliche Sammlungen in Mecklenburg-Vorpommern. –.

Botanical Museum Greifswald. 100 pages, .Botanical collections in Mecklenburg-VorpommernDescription of the collection on universitätssammlungen.de.


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Château de Courances. The Château de Courances () at Courances, Essonne is a French château built in approximately 1630. The house and gardens are open to the public.## House.In 1552, Côme Clausse, a notary and royal secretary to the King, acquired from the Lapite family the former seigneurial dwelling at Courances, at the western edge of the Forest of Fontainebleau. His heir conveyed it in 1622 to Claude Gallard, another royal secretary, who is doubtless the builder of the present château, of an H-plan laid out on a rectangular platform that is surrounded by a moat.The original Louis XIII style château is known.

Château de Courances. from the engravings of Israël Henriet and Israël Silvestre, about 1650. The evaluation of the property drawn up in 1638 mentions, apart from the manor house, four barns, a press house, two wheat mills, and two mills "straddling the river". "Above and beyond this is a mill called the fulling mill, with the forecourt of said chateau on one side, and the stream of the pond on the other", it says.In the 18th century, the house was modernized by Anne-Catherine Gallard, widow of Nicolas Potier de Novion, who opened up a proper "cour d'honneur" by demolishing the wall and entryway.

Château de Courances. that had enclosed the courtyard. Later her granddaughter Léontine-Philippine de Novion and her husband Aymar de Nicolay further modernized the château (1775–1777) by opening new bays and applying a large pedimented center to each façade. Following the French Revolution the château was abandoned for nearly 40 years, which gave time for a horse chestnut to grow through the floors of the building.In 1830, the Nicolay heirs (see Nicolay family) conveyed away the château, which was bought in 1872 by German banker Baron Samuel de Haber. Haber and his son-in-law Count Octave de Béhague hired the architect Gabriel-Hippolyte Destailleur to restore.

Château de Courances. the château in a campaign that lasted from 1873 to 1884. Destailleur retrieved the brickwork from beneath a layer of stucco, raised the rooflines of the pavilions and supplied zinc ornaments for the roofs. The grand internal staircase was demolished and monumental ramps of Fontainebleau inspiration were applied to the façades. A new wing with broken roofline was erected over the former kitchens to shelter the master suites, and was linked to the old wing by a gallery.New outbuildings constructed at the same time were destroyed by fire in 1976.In the First World War, Courances served as a hospital. In.

Château de Courances. the Second World War, it was first occupied by the Germans, then by Field Marshal Montgomery, serving as Chairman of the Western Union Commanders-in-Chief Committee, from 1947 to 1954.## Park.Courances has been acclaimed as "the epitome of the French formal garden style in which château and environment form a whole". The garden's traditional attribution to André Le Nôtre is undocumented and dubious. Actually, natural expanses of water at Courances stand in sharp contrast to the fountain machinery employed by Le Nôtre at Versailles and elsewhere. This was noted approvingly by Jacques Dulaure in the 18th century: "Nature has created this.

Château de Courances. effect of ever-flowing water, an effect far superior to those pompous cascades which by mighty effort live for a moment and then die down, as if a painting were to vanish all at once from its frame".Destailleur in association with his restoration of the château transformed the park to a landscape park "à l'anglaise" in the 1870s.By the time that Berthe de Béhague, granddaughter of Baron de Haber and her husband the Marquis Jean de Ganay inherited the property some bones survived of the seventeenth-century garden and it had an entrance avenue of plane trees, the central "allée d'honneur" between.

Château de Courances. flanking canals and the grand axial perspective centered on the château, with its basins and a grand canal. The Marquise de Novion's eighteenth-century reflecting tank also remained.The couple hired Achille Duchêne to remake the grounds. Duchêne re-established the French garden by recreating it in novel ways, setting long straight canals in curbs of stone on either side of the central stretch of lawn, and inventing Baroque scrolling designs in clipped box set in panels of gravel. The vista leading south from the house is made to narrow in the distance, giving it an illusion that makes it appear much longer.

Château de Courances. than it actually is. His was also responsible for the fountain of Aréthuse, formerly surmounted by a marble nymph that had been sculpted in 1711 by Claude Poirier for Marly. (The statue was acquired in 2005 by the Musée du Louvre).In 1908, surprisingly Berthe de Béhague also decided to establish a Japanese hill-and-pond stroll garden to the east of the château and adjacent to a rustic teahouse called La Foulere which used to be an old sawmill. To assist Duchêne with its creation the Marquise employed Kathleen Lloyd Jones, an English protégé of Gertrude Jekyll.During the Second World War, the.

Château de Courances. grounds fell into disrepair. Jean-Louis de Ganay upon his return from the war to his inheritance used his training in agriculture to begin restoration of the grounds in 1948, with his wife Philippine taking responsibility for the Japanese garden.Château de Courances. Official website.


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

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Old Courthouse (St. Louis). The Old St. Louis County Courthouse was built as a combination federal and state courthouse in St. Louis, Missouri. Missouri's tallest habitable building from 1864 to 1894, it is now part of Gateway Arch National Park and operated by the National Park Service for historical exhibits and events.## History.Land for the courthouse was donated in 1816 by Judge John Baptiste Charles Lucas and St. Louis founder Auguste Chouteau. Lucas and Chouteau required the land be "used forever as the site on which the courthouse of the County of St. Louis should be erected." The Federal style courthouse was completed in.

Old Courthouse (St. Louis). 1828.It was designed by the firm of Laveille & Morton, which also designed the early buildings at Jefferson Barracks as well as the Old Cathedral. Laveille & Morton was the first architecture firm west of the Mississippi River above New Orleans. As street commissioner in 1823–26, Joseph C. Laveille devised the city's street name grid, with ordinal numbers for north–south streets and arboreal names for east–west streets.Missouri became a state in 1821, and the St. Louis population tripled in 10 years. A new courthouse was soon needed. In 1839, ground was broken on a courthouse designed by Henry Singleton in.

Old Courthouse (St. Louis). the Greek Revival style, with four wings, including an east wing that comprised the original courthouse and a three-story cupola dome at the center.In 1851, Robert S. Mitchell began a redesign of the courthouse in which the east wing was torn down and replaced. From 1855 to 1858, the west wing was remodeled. The famous Dred Scott citizenship case was heard in the west wing before the remodeling.In 1861, William Rumbold replaced the cupola with an Italian Renaissance cast iron dome modeled on St. Peter's Basilica in Vatican City. The United States Capitol dome, built at the same time during.

Old Courthouse (St. Louis). the American Civil War, is also modeled on the basilica. The St. Louis dome was completed in 1864, and Karl Ferdinand Wimar was commissioned to paint murals, which are featured in the rotunda.The last slave auction held at the Old Courthouse took place in 1861. Slave auctions were held in the Probate Courts of the Old Courthouse near the East Door. The Court ordered sales of slaves whose owners had died without a will or had declared bankruptcy. This was common practice in all Missouri courthouses.Rumbold's dome in the courthouse is wrought and cast iron with a copper exterior. Four.

Old Courthouse (St. Louis). lunettes in the dome have paintings by Carl Wimar, depicting four events in St. Louis history. Ettore Miragoli painted over them in 1880, but they were restored in 1888.Louis Brandeis was admitted to the bar in the Old Courthouse, in 1878.When St. Louis County, Missouri and the city split in 1877, the courthouse became city property. The courthouse was abandoned by the city in 1930 after it built the Civil Courts Building, and descendants of Chouteau and Lucas sued to regain ownership. In 1935, during the Great Depression, St. Louis voted for a bond issue to raze nearly 40 blocks.

Old Courthouse (St. Louis). around the courthouse in the center of St. Louis for the new Gateway Arch National Park, which was then known as Jefferson National Expansion Memorial. President Franklin Roosevelt declared in an Executive Order the area would be a national monument and landscape design, sidewalks and other infrastructure was added. The courthouse formally became part of the new monument area in 1940. Replaced in 1941, the roof was renovated in 1955, 1985 and 2010. The National Park Service maintains four history galleries on St. Louis and NPS offices within. The courthouse once had up to 12 courtrooms, but now there are.

Old Courthouse (St. Louis). two in period presentation. The east wing has Circuit Court #13 restored to its 1910 appearance, while the west wing has Circuit Court #4 restored to an approximate 1850s detail.The courthouse building was the tallest building in Missouri and St. Louis until 1896 when Union Station was built. It remained the largest structure in the national monument until the Gateway Arch was built in 1965.In 1846 the slave Dred Scott sued for his and his wife's freedom as they had been held as slaves in free states. All of the trials, including a Missouri Supreme Court hearing, were held in.

Old Courthouse (St. Louis). the Old Courthouse. The case was ultimately decided by the U.S. Supreme Court in 1857 "Dred Scott v. Sandford", which ruled against the Scotts, saying they did not have grounds as citizens to sue. In 1872 Virginia Minor attempted to vote in a St. Louis election and was arrested. Her trials, including the deliberations before the Missouri Supreme Court, were held in this building. The United States Supreme Court in "Minor v. Happersett" (1875) upheld the male-only voting rules, as the Constitution did not address voting rules, which were set by the states.In Season 3 of the TV series "The.

Old Courthouse (St. Louis). Last Ship", the Old Courthouse becomes the new White House and the base of operations for the reformed United States government in the post-plague days of the Red Flu. The courthouse is destroyed in the disaster films "Supernova" and "The Black Hole".The Old Courthouse is featured on many of Saint Louis's Architectural tours. List of the oldest buildings in the United StatesArchitecture of St. LouisNPS Old Court House"The Old Courthouse in St. Louis: Yesterday and Today," a National Park Service Teaching with Historic Places (TwHP) lesson plan.


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

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Picea sitchensis. Picea sitchensis, the Sitka spruce, is a large, coniferous, evergreen tree growing to almost 100 (m) tall, with a trunk diameter at breast height that can exceed 5 m (16 ft). It is by far the largest species of spruce and the fifth-largest conifer in the world (behind giant sequoia, coast redwood, kauri, and western red cedar), and the third-tallest conifer species (after coast redwood and coast Douglas fir). The Sitka spruce is one of the few species documented to exceed 90 (m) in height. Its name is derived from the community of Sitka in southeast Alaska, where it is.

Picea sitchensis. prevalent. Its range hugs the western coast of Canada and the US, continuing south into northernmost California.## Description.The bark is thin and scaly, flaking off in small, circular plates 5 – 20 (cm) across. The inner bark is reddish-brown. The crown is broad conic in young trees, becoming cylindric in older trees; old trees may not have branches lower than 30 – 40 (m). The shoots are very pale buff-brown, almost white, and glabrous (hairless), but with prominent pulvini. The leaves are stiff, sharp, and needle-like, 15–25 millimeters long, flattened in cross-section, dark glaucous blue-green above with two or three.

Picea sitchensis. thin lines of stomata, and blue-white below with two dense bands of stomata.The cones are pendulous, slender cylindrical, 6 – 10 (cm) long and 2 (cm) broad when closed, opening to 3 (cm) broad. They have thin, flexible scales 15 – 20 (mm) long; the bracts just above the scales are the longest of any spruce, occasionally just exserted and visible on the closed cones. They are green or reddish, maturing pale brown 5–7 months after pollination. The seeds are black, 3 (mm) long, with a slender, 7 – 9 (mm) long pale brown wing.## Size.More than a century of.

Picea sitchensis. logging has left only a remnant of the spruce forest. The largest trees were cut long before careful measurements could be made. Trees over 90 (m) tall may still be seen in Pacific Rim National Park and Carmanah Walbran Provincial Park on Vancouver Island, British Columbia (the Carmanah Giant, at 96 (m) tall, is the tallest tree in Canada), and in Olympic National Park, Washington and Prairie Creek Redwoods State Park, California (United States); two at the last site are just over 96 m tall. The Queets Spruce is the largest in the world with a trunk volume of 346.

Picea sitchensis. (m3), a height of 74.6 (m), and a 4.4 (m) dbh. It is located near the Queets River in Olympic National Park, about 26 (km) from the Pacific Ocean. Another specimen, from Klootchy Creek Park, Oregon, was previously recorded to be the largest with a circumference of 15 (m) and height of 66 (m).## Age.Sitka spruce is a long-lived tree, with individuals over 700 years old known. Because it grows rapidly under favorable conditions, large size may not indicate exceptional age. The Queets Spruce has been estimated to be only 350 to 450 years old, but adds more than a.

Picea sitchensis. cubic meter of wood each year.## Root system.Because it grows in extremely wet and poorly-drained soil, the Sitka spruce has a shallow root system with long lateral roots and few branchings. This also makes it susceptible to wind throw.## Taxonomy.DNA analysis has shown that only "P. breweriana" has a more basal position than Sitka spruce to the rest of the spruce. The other 33 species of spruce are more derived, which suggests that "Picea" originated in North America.## Distribution and habitat.Sitka spruce is native to the west coast of North America, with its northwestern limit on Kenai Peninsula, Alaska, and.

Picea sitchensis. its southeastern limit near Fort Bragg in northern California. It is closely associated with the temperate rainforests and is found within a few kilometers of the coast in the southern portion of its range. North of Oregon, its range extends inland along river floodplains, but seldom does its range extend more than around 80 (km) from the Pacific Ocean and its inlets. It is situated at about 2500 (m) above sea level in Alaska and generally below 450 (m) further south.Forests with the species average between 200 to 500 (cm) of rain annually. It is tolerant to salty spray common.

Picea sitchensis. in coastal dune habitat, such as at Cape Disappointment State Park in Washington, and prefers soils high in magnesium, calcium, and phosphorus.Sitka spruce has been introduced to Europe as a lumber tree, and was first planted there in the 19th century. Sitka spruce plantations have become a dominant forest type in Great Britain and Ireland, making up 25% of forest cover in the former and 52% in the latter. Sitka spruce woodland is also present in France and Denmark, and the plant was introduced to Iceland and Norway in the early 20th century.A 9-metre-tall, 100-year-old, Sitka spruce sitting in the.

Picea sitchensis. middle of the permanently uninhabited sub-antarctic Campbell Island has been recognised by the Guinness World Records as the "most remote tree in the world".## Ecology.## Value to wildlife.Sitka spruce provides critical habitat for a large variety of mammals, birds, reptiles, and amphibians. Its thick, sharp needles are poor browse for ungulates, and only the new spring growth is eaten. However, in Alaska and British Columbia the needles of "picea sitchensis" comprise up to 90% of the winter diet of blue grouse.It provides cover and hiding places for a large variety of mammals, and good nesting and roosting habitat for birds.

Picea sitchensis. Sitka deer require old-growth Sitka spruce forests for winter habitat, as the extensive foliage holds a significant percentage of fallen snow in a given area, thus allowing for better understory browsing and easier migration for terrestrial animals. Cavity nesting birds favor Sitka spruce snags, and the tree is used by bald eagles and peregrine falcons as nesting habitat.## Successional status.Sitka spruce is shade tolerant but not as much as its competitors, preferring full sun if possible. It is a pioneer on landslides, sand dunes, uplifted beaches, and deglaciated terrain. However, it is a climax species in coastal forests, where it.

Picea sitchensis. can become dominant.## Fire ecology.Due to the prevalence of Sitka spruce in cool, wet climates, its thin bark and shallow root system are not adapted to resist fire damage and it is thus very susceptible. Sitka spruce forests have a fire regime of severe crown or surface fires on long intervals, (150 to 350+ years) which results in total stand replacement. Sitka spruce recolonizes burned sites via wind-dispersed seed from adjacent unburned forests.## Uses.The root bark of Sitka spruce trees is used in Native Alaskan basket-weaving designs and for rain hats. The pitch was used for caulking, chewing, and its.

Picea sitchensis. medicinal properties. Native Americans heated and plied the roots to make cord. The resin was used as glue and for waterproofing. Natives and pioneers split off shakes for construction use. The wood is light and relatively strong.Sitka spruce is of major importance in forestry for timber and paper production. Outside its native range, it is particularly valued for its fast growth on poor soils and exposed sites where few other trees can prosper; in ideal conditions, young trees may grow 1.5 (m) per year. It is naturalized in some parts of Ireland and Great Britain, where it was introduced in.

Picea sitchensis. 1831 by David Douglas, and New Zealand, though not so extensively as to be considered invasive. Sitka spruce is also planted extensively in Denmark, Norway, and Iceland. In Norway, Sitka spruce was introduced in the early 1900s. An estimated 50000 (ha) have been planted in Norway, mainly along the coast from Vest-Agder in the south to Troms in the north. It is more tolerant to wind and saline ocean air, and grows faster than the native Norway spruce. But in Norway, the Sitka spruce is now considered an invasive species, and effort to get rid of it is being made.The.

Picea sitchensis. resonant wood is used widely in piano, harp, violin, and guitar manufacture, as its high strength-to-weight ratio and regular, knot-free rings make it an excellent conductor of sound. For these reasons, the wood is also an important material for sailboat spars, and aircraft wing spars (including flying models). The Wright brothers' Flyer was built using Sitka spruce, as were many aircraft before World War II; during that war, aircraft such as the British Mosquito used it as a substitute for strategically important aluminium.Newly grown tips of Sitka spruce branches are used to flavor spruce beer and are boiled to make.

Picea sitchensis. syrup.## Culture.A unique specimen with golden foliage that used to grow on Haida Gwaii, known as Kiidk'yaas or "The Golden Spruce", is sacred to the Haida First Nations people. It was illegally felled in 1997 by Grant Hadwin, although saplings grown from cuttings can now be found near its original site.## Chemistry.The stilbene glucosides astringin, isorhapontin, and piceid can be found in the bark of the Sitka spruce.## Burls.In the Olympic National Forest in Washington, Sitka spruce trees near the ocean sometimes develop burls.According to a guidebook entitled "Olympic Peninsula", "Damage to the tip or the bud of a Sitka.

Picea sitchensis. spruce causes the growth cells to divide more rapidly than normal to form this swelling or burl. Even though the burls may look menacing, they do not affect the overall tree growth." List of tallest trees "Picea sitchensis" - information, genetic conservation units and related resources. European Forest Genetic Resources Programme (EUFORGEN) Gymnosperm DatabaseArboretum de Villardebelle - photos of cones of "Picea sitchensis" and related sprucesProf Stephen Sillett's webpage with photos taken during canopy research.Description of Sitka Spruce in forestry (PDF) by US Department of Agriculture.Picea Sitchinesis 'Octopus tree'.


Question: Who are the structure engineers of this building?

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30 St Mary Axe. Tower were dropped, 30 St Mary Axe was designed by Norman Foster and the Arup Group. It was erected by Skanska; construction started in 2001.The building has become a recognisable landmark of London, and it is one of the city's most widely recognised examples of contemporary architecture. It won the 2003 Emporis Skyscraper Award.## Site and early plans.The building stands on the site of the former Baltic Exchange (24–28 St Mary Axe), which was the headquarters of a global marketplace for shipping freight contracts and soft commodities, and the Chamber of Shipping (30–32 St Mary Axe). The tower's topmost panoramic.

30 St Mary Axe. shafts pull warm air out of the building during the summer and warm the building in the winter using passive solar heating. The shafts also allow sunlight to pass through the building, making the work environment more pleasing, and keeping the lighting costs down.The primary methods for controlling wind-excited sways are to increase the stiffness, or increase damping with tuned/active mass dampers. To a design by Arup, its fully triangulated perimeter structure makes the building rigid enough without any extra reinforcements. Despite its overall curved glass shape, there is only one piece of curved glass on the building, the lens-shaped.


Question: Who are the structure engineers of this building?

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Medici Fountain. including the sculptor Francesco Bordoni, who helped design the statue of King Henry IV of France built on the Pont Neuf, and fountain technician Thomas Francini, who had worked on fountains in the new gardens of the Medici villas in Florence and Rome, found eager royal patrons in France. Soon features of the Italian Renaissance garden, such as elaborate fountains and the grotto, a simulated cave decorated with sculpture, appeared in the first Gardens of the French Renaissance at Fontainebleau and other royal residences.## Construction.Marie de' Medici, as widow of Henry IV and mother and regent of King Louis XIII.

Medici Fountain. of France, began construction of her own palace, which she called the Palais des Medicis, between 1623 and 1630, on the left bank of Paris. The new palace was modeled after the Palazzo Pitti in her native Florence, and the gardens around the palace were modeled after those of the Boboli Gardens in Florence. The Palace was the work of architect Salomon de Brosse, but the fountain and grotto was most probably the work of Tommaso Francini, the Intendant General of Waters and Fountains of the King. Francini, who emigrated to France at the invitation of Henry IV in 1598.


Question: What is the source that produces this material?

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Tortoiseshell. Tortoiseshell or tortoise shell is a material produced from the shells of the larger species of tortoise and turtle, mainly the hawksbill sea turtle, which is a critically endangered species according to the IUCN Red List largely because of its exploitation for this trade. The large size, fine color, and unusual form of the hawksbill's scutes make it especially suitable. The distinctive patterning is referred to in names such as the tortoiseshell cat, several breeds of guinea pig, and the common names of several species of the butterfly genera "Nymphalis" and "Aglais", and some other uses.## Uses.Tortoiseshell was widely used.


Question: Where is this plant native to?

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Pittosporum tenuifolium. Pittosporum tenuifolium is a small evergreen tree endemic to New Zealand – up to 10 (m) – commonly known as ' and black matipo, and by other Māori names ' and . Its small, very dark, reddish-purple flowers generally go unnoticed, and are scented only at night. The Latin means "slender-leaved"## Description.The scientific name of kōhūhū is a good starting point to find out more about the physical characteristics of the species. "Pittosporum" translates to tarry – – seed – , a reference to the sticky fluid that encases the seeds and means thin – – leaf – .Kōhūhū is.

Pittosporum tenuifolium. or three segments when ripened. Inside are black seeds, encased in a very sticky substance. The stickiness of the seeds is likely to help with seed dispersal.## Names.Common names include:MatipoBlack matipoRautawhiri RautāwhiriKairaroKihihiKowhiwhi, KōwhiwhiKohukohuKoihuMāpaurikiPōhiriPōwhiriTāwhiriTawiriTawhiwhiSilverleafTurpentine-treeBlack birch## Distribution.## Natural global range.Kōhūhū is endemic to New Zealand.## New Zealand range.Kōhūhū is well spread all over New Zealand, being absent only to the west of the Southern Alps and Stewart Island.## Habitat preferences.Kōhūhū is found growing wild in coastal and lower mountain forest areas up to an altitude of 900 m.Kōhūhū grows particularly quickly at forest edges located at the bottom of high terraces, and.

Pittosporum tenuifolium. and prefers soils with good drainage in humid climates. Planting it in damp conditions can cause winter leaf drop, which likely explains why kōhūhū is not found growing on the West Coast of New Zealand. In its role in ecological succession, kōhūhū is often found at an earlier stage than its relative lemonwood (another endemic "Pittosporum"), and usually inhabits less fertile soils.## Predators, Parasites, and Diseases.## Insects.There are over 50 insect species listed in the Plant-SyNZ database that either feed on or parasitise kōhūhū – wasps, sucking bugs, flies, moths, butterflies, thrips, mites and beetles. There are also more than.

Pittosporum tenuifolium. feed only on "Pittosporum" species, by attaching themselves to a suitable part of the plant and feeding on its sap. The psyllid leaves a trail of characteristic “beads” behind.Cottony cushion scale – "Icerya purchase" –, an Australian bug, soft wax scale – "Ceroplastes destructor" –, an import from overseas and the Australian green shield bug – "Glaucias amyoti" –, native to New Zealand despite its name also parasitise the "Pittosporum" species, but have a more varied range of hosts. All attach themselves to a suitable part of the plant and feed on its sap.New Zealand flower thrips – "Thrips obscuratus.

Pittosporum tenuifolium. – feeds on leaves, flowers and young fruit of kōhūhū, by piercing plant cells and sucking their contents.## Fungi."Pythium irregulare" has been recorded as a pathogen of kōhūhū, causing foliar blight, rot, and eventually death.A recently discovered pathogen of kōhūhū that caused swelling of twigs – the fungus "Elsinoe takoropuku" – turned out to be a newly discovered species of fungi. The fungus was, so far, only found in association with kōhūhū.## Uses.## Garden plant.Kōhūhū is a popular garden plant in New Zealand and overseas, often used a hedge or as visual backdrop. It is sometimes grown under the cultivar.


Question: What is the source that produces this food?

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Mango. A mango is an edible stone fruit produced by the tropical tree "Mangifera indica". It is believed to have originated in the region between northwestern Myanmar, Bangladesh, and northeastern India. "M. indica" has been cultivated in South and Southeast Asia since ancient times resulting in two types of modern mango cultivars: the "Indian type" and the "Southeast Asian type". Other species in the genus "Mangifera" also produce edible fruits that are also called "mangoes", the majority of which are found in the Malesian ecoregion.Worldwide, there are several hundred cultivars of mango. Depending on the cultivar, mango fruit varies in size,.

Mango. shape, sweetness, skin color, and flesh color which may be pale yellow, gold, green, or orange. Mango is the national fruit of India, Pakistan and the Philippines, while the mango tree is the national tree of Bangladesh.## Etymology.The English word "mango" (plural "mangoes" or "mangos") originated in the 16th century from the Portuguese word, "manga", from the Malay "mangga", and ultimately from the Tamil "man" ("mango tree") + "kay" ("fruit"). The scientific name, "Mangifera indica", refers to a plant bearing mangoes in India.## Description.Mango trees grow to 30 – 40 (m) tall, with a crown radius of 10-15 (m). The.

Mango. while underripe with green peels. Although producing ethylene while ripening, unripened exported mangoes do not have the same juiciness or flavor as fresh fruit.## Etymology.The English word "mango" (plural "mangoes" or "mangos") originated from the Portuguese word, "manga", from the Malay "mangga", probably ultimately from the Tamil "man" ("mango tree") + "kay" ("fruit").## Distribution and habitat.From tropical Asia, mangoes were introduced to East Africa by Arab and Persian traders in the ninth to tenth centuries. The 14th-century Moroccan traveler Ibn Battuta reported it at Mogadishu. It was spread further into other areas around the world during the Colonial Era. The.

Mango. at risk for mango contact dermatitis. Other mango compounds potentially responsible for the dermatitis or allergic reactions include mangiferin. Cross-reactions may occur between mango allergens and urushiol. Sensitized individuals may not be able to safely eat peeled mangos or drink mango juice.When mango trees are flowering in spring, local people with allergies may experience breathing difficulty, itching of the eyes, or facial swelling, even before flower pollen becomes airborne. In this case, the irritant is likely to be the vaporized essential oil from flowers. During the primary ripening season of mangoes, contact with mango plant parts – primarily sap, leaves.

Mango. sitting under a mango tree. Mango blossoms are also used in the worship of the goddess Saraswati. Mango leaves are used to decorate archways and doors in Indian houses and during weddings and celebrations such as Ganesh Chaturthi. Mango motifs and paisleys are widely used in different Indian embroidery styles, and are found in Kashmiri shawls, Kanchipuram and silk sarees. In Tamil Nadu, the mango is referred to as one of the three royal fruits, along with banana and jackfruit, for their sweetness and flavor. This triad of fruits is referred to as "ma-pala-vazhai". The classical Sanskrit poet Kālidāsa sang.


Question: What is this plant named after?

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Allamanda. Allamanda is a genus of flowering plants in the family Apocynaceae. They are native to the Americas, where they are distributed from Mexico to Argentina. Some species are familiar as ornamental plants cultivated for their large, colorful flowers. Most species produce yellow flowers; "A. blanchetii" bears pink flowers. The genus name "Allamanda" honors the Swiss botanist and physician Frédéric-Louis Allamand (1736–1809). It is the official flower of Kuching North City Hall.## Description.Plants of the genus are evergreen trees, shrubs, or vines. They contain a white latex. The leaves are opposite or arranged in whorls of up to 5. The blades.


Question: Who is the screenwriter of this building?

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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: Where is this animal native to?

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Pantherophis alleghaniensis. Pantherophis alleghaniensis, commonly called the eastern ratsnake, is a nonvenomous colubrid species endemic to North America.## Common names.Additional common names for the eastern rat snake include black rat snake, pilot snake, pilot black snake, chicken snake; and in Florida, yellow rat snake and Everglades rat snake.## Geographic range."Pantherophis alleghaniensis" is found in the United States east of the Apalachicola River in Florida, east of the Chattahoochee River in Georgia, east of the Appalachian Mountains, north to southeastern New York and western Vermont, eastern Pennsylvania, Maryland, South Carolina, North Carolina, Georgia, south to the Florida Keys. In the Florida Panhandle, it.

Pantherophis alleghaniensis. forests, isolated urban woodlots and backyards that support populations of prey species. Eastern rat snakes do especially well in early successional and edge habitats. An arboreal species, the snakes can get into human residences, where they may live in attics undetected. At the northern limits of their range, distribution appears to be restricted by the availability of suitable hibernating sites. In these climates, the snakes require southern exposures to receive maximal thermal benefit from the winter sun and to provide basking areas in early spring and late fall.The three U.S populations located more northerly (Illinois at 378N, Kansas at 388,Maryland.

Pantherophis alleghaniensis. juveniles.## Taxonomy."Pantherophis alleghaniensis" has sometimes been considered a subspecies of "Pantherophis obsoletus", to which it is closely related.This species has often been placed in the genus "Elaphe", but recent phylogenetic analyses have resulted in its transfer to "Pantherophis".Holbrook JE (1836). "North American Herpetology; or, A Description of the Reptiles Inhabiting the United States. Vol. I." Philadelphia: J. Dobson. 120 pp. ("Coluber alleghaniensis", new species, pp. 111–112 + Plate XX).Jan G, (1867). "Iconographie générale des Ophidiens: Vingt-quatrième livraison." Paris: Baillière. Index + Plates I-VI. ("Elaphis alleghaniensis", Plate II, Figure 1 [adult], Figure 2 [juvenile]). (in French).


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

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Iris xiphium. Iris xiphium, commonly known as the Spanish iris, is an iris native to Spain and Portugal. It has also been found in Corsica, South West France, southern Italy, Algeria and Tunisia. This species is also known as the small bulbous-rooted iris.It was first illustrated in 'Flowers of the Mediterranean' in 1965.It is bulbous and bears blue, violet, white or yellow flowers, though they are not so large as those of "I. xiphiodes". They are around 6 cm wide. The plant can reach up to 80 cm, It typically flowers in May and June, but not always.The greyish-green leaves emerge in.

Iris xiphium. autumn, they grow between 20–70 cm tall.The leaves die after the flowers fade.The Spanish iris is favoured by florists for its striking colour combinations. This species has several varieties popular in horticulture, among them var. "lusitanica" whose flowers are yellow all over.It is among the hardier bulbous irises, and can be grown in northern Europe. But not in all of North America, where frosts would damage the autumn foliage. It requires to be planted in thoroughly drained beds in very light open soil, moderately enriched, and should have a rather sheltered position.## Hybrids.A popular hybrid ("Iris tingitana" × "Iris xiphium").

Iris xiphium. is known as Dutch Iris or "Iris" × "hollandica".## Cultivars.Known cultivars;Most growing up to 80 cm (32 in) tall with lance shaped mid-green leaves. 'Blue Angel' (mid blue) 'Bronze Queen' (golden brown) 'Golden Harvest' (deep rich yello) 'Lusitanica' (yellow) 'Professor Blaauw' (deep blue) 'Purple Sensation' (purple) 'Queen Wilhelmina' (white) 'Wedgewood' (bright blue) 'White Excelsior' (white, with yellow stripe down the fall centres).


Question: Which company manufactures this vehicle?

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BMW M6. The BMW M6 is a high-performance version of the 6 Series marketed under the BMW M sub-brand from 1983 to 2018 (with a break from 1990 to 2004).Introduced in the coupe body style, the M6 was also built in convertible and fastback sedan ('Gran Coupe') body styles for later generations. An M6 model was built for each of the first three generations of the 6 Series. Production of the M6 ended in 2018 and it was replaced by the BMW M8 (F91/F92/F93) in 2019.## E24 M635CSi/M6 (1983–1989).The M6 lineage began in 1983 with the "M635CSi" model of the E24 6.

BMW M6. Series range, which was powered by the M88/3 DOHC straight-six engine (which was a modified version of the engine used in the BMW M1 supercar). In most countries, the model was badged the M635CSi, however the equivalent model in North America and Japan was simply badged in "M6".The European-specification M635CSi used the M88/3 engine (without a catalytic converter), which generated 210 (kW) at 6,500 rpm and 340 (Nm) at 4,500 rpm. The M6 version, sold in North America and Japan, used the S38B35 engine (with catalytic converter), which generated 260 (PS) and 330 (Nm) at the same engine speeds. The.

BMW M6. catalyzed engine was also used in European and other market cars beginning in the summer of 1987, with identical specifications to the federalized engine. The sole transmission for all models was a 5-speed Getrag 280 manual transmission.Other changes included BBS RS wheels, a rear lip spoiler, a larger front air dam, larger front brakes and revised suspension with a 10 (mm) lower ride height.The E24 series became a "world car" for the 1988 and 1989 model years, sporting the same bumpers and aerodynamic treatments as its high-performance counterparts across all markets. Production of the E24 M635CSi/M6 ended in 1989.According to.

BMW M6. BMW, the car can accelerate from 0 - 60 (mph) in 5.8 and 6.8 seconds for the European and North American versions respectively. The curb weights of the 1987 models are 1515 (kg) for the M635 CSi and 1619 (kg) for the M6. A top speed of 255 (km/h) made the European M635CSi the second fastest BMW automobile ever built next to the M1. The quarter mile time for the M635 CSi has been recorded at 14.5 seconds while 100 (mi/h) is achieved in 15 seconds.A total of 5,855 cars were produced. Of these, 1,677 cars were imported to North.

BMW M6. America. Due to the elongated front and rear bumpers, the length of the U.S. models is 193.8 (in).## E63/64 M6 (2005–2011).Following a hiatus in M6 production for 16 years, the M6 version of the E63/E64 6 Series was introduced in 2005. The M6 uses the same BMW S85 V10 engine and SMG-III automated manual gearbox as the E60 M5.The M6 was produced as both a coupé (E63 model code) and a convertible (E64 model code). The exterior styling was overseen by Karl Elmitt.The M6 had two modes for engine power: a "P400" mode in which the engine has a rated.

BMW M6. power output of 294 (kW) and a "P500" mode in which the engine has a rated power output of 373 (kW). Manufacturer claimed performance included a 0–62 (mph) acceleration time of 4.6 seconds. The top speed was electronically limited to 250 (km/h) or 305 (kph) if the optional M-driver's package is fitted.The coupe version weighs 3770 (lb) and the convertible version weighs 4420 (lb). Weight reduction measures include a (coupe-only) carbon fibre roof (a first for regular production model last used on E46 M3 CSL), thermoplastic quarter panels, aluminium doors, aluminium bonnet (hood) and a thermo-fibre plastic boot (trunk) lid.From.

BMW M6. 2007 a 6-speed manual gearbox was offered in North America, only 701 examples were produced with a manual gearbox (323 Coupes and 378 Convertibles).Production of the M6 ended in 2011, with sales over the five-year run totalling 9,087 for the coupe and 5,065 for the convertible.## F06/F12/F13 M6 (2012–2019).The new model is based on the F12/F13/F06 6 Series, and shares its 7-speed dual clutch ("M-DCT") transmission and BMW S63 twin-turbo V8 engine with the F10 M5.The official performance figures state the acceleration time from 0-62 (mph) in 4.2 seconds for the coupe and Gran Coupé, and 4.3 seconds for the.

BMW M6. convertible. The top speed is electronically limited to 250 (km/h), or 305 (kph) with the optional M-driver's package. The differential is an electronically actuated ("Active M") limited slip differential. The curb weight for the coupe is 4244 (lb), the curb weight of the convertible is 4531 (lb) and the curb weight of the Gran Coupé is 4299 (lb).The front of the car has a newly designed M kidney grille with an “M6” badge – a homage to the first generation of the M6. The lead exterior designer of the F12/F13/F06 6 Series was Nader Faghihzadeh.M Performance Parts can be fitted.

BMW M6. to all M6 models. These include black kidney grilles, a sport exhaust system that reduces weight, a carbon fibre diffuser, a carbon fibre spoiler, a carbon fibre sport steering wheel and a carbon fibre gear selector.## Competition Package.With the 2014 Competition Package, the M6 comes with a sportier exhaust system with black tips, stiffer springs, dampers, and anti-roll bars, steering is more direct than the base M6, the twin-turbocharged V8 engine utilised in the M6 is updated and is rated at 423 (kW) and 680 (Nm) of torque. This results in a 0 to 100 (km/h) acceleration time of 3.9.

BMW M6. seconds for the coupe and Gran Coupe versions.In 2016, the Competition Pack engine was upgraded to 441 (kW) and 700 (Nm) of torque, resulting in a 0 to 100 (km/h) acceleration time of 3.8 seconds for the coupe and Gran Coupe versions.## Motorsport.## M6 GT3.Around the start of 2015, BMW Motorsport began developing a replacement for the successful BMW Z4 GT3 which already had been in action since 2010, where they selected the M6 as the base model. Throughout the year, the factory engineered the M6 to match FIA GT3 specifications. Emphasis was placed on safety with BMW Motorsport producing.

BMW M6. an "FIA-approved safety cell in accordance with the very latest safety standards". Unlike the Z4 GT3, which used an engine derived from the BMW M3, the engine of the M6 GT3 was virtually unchanged from that of the production model of the M6 (and the BMW M5). The engine only faced some modifications for use in motorsport. In May 2015, at Dingolfing, BMW works driver Jörg Müller drove the M6 GT3 on its first roll-out to contribute a milestone to its development, and later the M6 GT3 was revealed near the end of the year.The M6 GT3 showed its success.

BMW M6. on its debut year in 2016 when Rowe Racing clinched overall victory at the 2016 Spa 24 Hours with BMW works drivers Philipp Eng, Maxime Martin, and Alexander Sims at the wheel. The car also saw success in championships around the world, with wins in the VLN, Italian GT Championship, and Super GT Championship.## M6 GTLM.The BMW M6 GTLM is the racing version of the M6 created to participate in the IMSA WeatherTech SportsCar Championship and intended to replace the BMW Z4 GTE. The cars are entered by BMW Team RLL, debuting in 2016, with no wins in its debut.

BMW M6. season. The car would earn four class wins during the 2017 season before being replaced by the BMW M8 GTE for 2018. BMW M5.