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Hoppers
Hopper or hoppers may refer to: Places *Hopper, Illinois *Hopper, West Virginia * Hopper, a mountain and valley in the Hunza–Nagar District of Pakistan *Hopper (crater), a crater on Mercury People with the name * Hopper (surname) * Grace Hopper Insects * Hopper, the immature form of a locust * Grasshopper * Hoppers, butterflies of the genus ''Platylesches'' * Leafhopper, a member of the family Cicadellidae * Treehopper, a member of the family Membracidae (typical treehoppers) or Aetalionidae Mechanical parts * Hopper, a storage container used to dispense granular materials through the use of a chute to restrict flow, sometimes assisted by mechanical agitation ** Hopper (particulate collection container), a large container used for dust collection ** A paintball loader ** A manufacturing line hopper ** Part of an agricultural aircraft to store the chemicals to be spread ** Part of a combine harvester ** Part of a wheel tractor-scraper to store the soil load ** Feeder (livesto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grasshopper
Grasshoppers are a group of insects belonging to the suborder Caelifera. They are among what is possibly the most ancient living group of chewing herbivorous insects, dating back to the early Triassic around 250 million years ago. Grasshoppers are typically ground-dwelling insects with powerful hind legs which allow them to escape from threats by leaping vigorously. As hemimetabolous insects, they do not undergo complete metamorphosis; they hatch from an egg into a Nymph (biology), nymph or "hopper" which undergoes five moults, becoming more similar to the adult insect at each developmental stage. The grasshopper hears through the tympanal organ which can be found in the first segment of the abdomen attached to the thorax; while its sense of vision is in the compound eyes, the change in light intensity is perceived in the simple eyes (ocelli). At high population densities and under certain environmental conditions, some grasshopper species can change color and behavior and for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leafhopper
A leafhopper is the common name for any species from the family Cicadellidae. These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and are covered with hairs that facilitate the spreading of a secretion over their bodies that acts as a water repellent and carrier of pheromones. They undergo a partial metamorphosis, and have various host associations, varying from very generalized to very specific. Some species have a cosmopolitan distribution, or occur throughout the temperate and tropical regions. Some are pests or vectors of plant viruses and phytoplasmas. The family is distributed all over the world, and constitutes the second-largest hemipteran family, with at least 20,000 described species. They belong to a lineage traditionally treated as infraorder Cicadomorpha in the suborder Auchenorrhyncha, but as the latter taxon is probably not monophyletic, many mod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Treehopper
Treehoppers (more precisely typical treehoppers to distinguish them from the Aetalionidae) and thorn bugs are members of the family Membracidae, a group of insects related to the cicadas and the leafhoppers. About 3,200 species of treehoppers in over 400 genera are known.Treehoppers. Dr. Metcalf. NCSU Libraries. North Carolina State University. They are found on all continents except Antarctica; only five species are known from . Individual treehoppers usually live for only a few months. Morphology Treehoppers, due to their unusual appearance, have long interested naturalists. They are best k ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Locust
Locusts (derived from the Vulgar Latin ''locusta'', meaning grasshopper) are various species of short-horned grasshoppers in the family Acrididae that have a swarming phase. These insects are usually solitary, but under certain circumstances they become more abundant and change their behaviour and habits, becoming gregarious. No taxonomic distinction is made between locust and grasshopper species; the basis for the definition is whether a species forms swarms under intermittently suitable conditions; this has evolved independently in multiple lineages, comprising at least 18 genera in 5 different acridid subfamilies. Normally, these grasshoppers are innocuous, their numbers are low, and they do not pose a major economic threat to agriculture. However, under suitable conditions of drought followed by rapid vegetation growth, serotonin in their brains triggers dramatic changes: they start to breed abundantly, becoming gregarious and nomadic (loosely described as migrator ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paintball Loader
A paintball marker, also known as a paintball gun, paint gun, or simply marker, is an air gun used in the shooting sport of paintball, and the main piece of paintball equipment. Paintball markers use compressed gas, such as carbon dioxide (CO2) or compressed air (HPA), to propel dye-filled gel capsules called Paintball equipment#Paintballs, paintballs through the barrel and quickly strike a target. The term "marker" is derived from its original use as a tool for forestry personnel to mark trees and ranchers to mark wandering cattle. The muzzle velocity of paintball markers is approximately ; most paintball fields restrict speed to 280–300 ft/s, and small indoor fields may further restrict it down to 250 ft/s. While greater muzzle velocity is possible, it has been ruled unsafe for use on most commercial paintball fields. Marker types Paintball markers fall into two main categories in terms of mechanism – mechanical and solenoid driven Electropneumatic paintball mark ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
A Bug's Life
''A Bug's Life'' is a 1998 American computer-animated comedy film produced by Pixar Animation Studios for Walt Disney Pictures. It was the second feature-length film produced by Pixar. Directed by John Lasseter and co-directed by Andrew Stanton, the film involves a misfit ant, Flik, who is looking for "tough warriors" to save his colony from a protection racket run by Hopper's gang of grasshoppers. Unfortunately, the "warriors" he brings back turn out to be an inept troupe of Circus Bugs. The film was initially inspired by Aesop's fable '' The Ant and the Grasshopper''. Production began shortly after the release of '' Toy Story'' in 1995. The screenplay was penned by Stanton and comedy writers Donald McEnery and Bob Shaw from a story by Lasseter, Stanton, and Joe Ranft. The ants in the film were redesigned to be more appealing, and Pixar's animation unit employed technical innovations in computer animation. Randy Newman composed the music for the film. During production, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Space Hopper
A space hopper (also known as a moon hopper, skippyball, kangaroo ball, bouncer, hippity hop, hoppity hop, sit and bounce, or hop ball) is a rubber ball (similar to an exercise ball) with handles which allow one to sit on it without falling off. The user can attempt to hop around on the toy, using the elastic properties of the ball to move forward. The term "space hopper" is more common in the United Kingdom; the toy is less familiar in the United States, and may be known as a "hoppity hop", "hippity hop" or a "sit n bounce". A similar toy popular in the United States in the 1980s was the pogo ball, which has a hard plastic ring encircling the ball instead of a handle. Use The space hopper is a heavy rubber ball about in diameter, with two rubber handles protruding from the top. A valve at the top allows the ball to be inflated by a bicycle pump or car tire pump. A child can sit on top, holding the two handles, and bounce up and down until the ball leaves the ground. By lean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hopper Balloon
A hopper balloon (simply hopper) is a small, one-person hot air balloon. Unlike a conventional hot air balloon where people ride inside a basket, there is no basket on a hopper balloon. Instead, the hopper pilot usually sits on a seat or wears a harness similar to a parachute harness. Hoppers are typically flown for recreation. These aircraft are sometimes called "cloud hoppers" or "cloudhoppers". However, these terms formally refer to the products of a particular manufacturer, specifically Lindstrand Balloons. Nonetheless, "cloudhopper" is used by many people as a genericized trademark, which refers to all craft of this general type. Most hopper balloons have envelopes that range in volume from and have a maximum flight duration of 1 to 1.5 hours. The two principal commercial balloon manufacturers today offering hopper balloons for sale are Cameron Balloons and Lindstrand Balloons. Most other hopper balloons are experimental aircraft designed and built by amateur constructors. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hopper Car
A hopper car (US) or hopper wagon ( UIC) is a type of railroad freight car used to transport loose bulk commodities such as coal, ore, grain, and track ballast. Two main types of hopper car exist: covered hopper cars, which are equipped with a roof, and open hopper cars, which do not have a roof. This type of car is distinguished from a gondola car in that it has opening doors on the underside or on the sides to discharge its cargo. The development of the hopper car went along with the development of automated handling of such commodities, with automated loading and unloading facilities. Covered hopper cars are used for bulk cargo such as grain, sugar, and fertilizer that must be protected from exposure to the weather. Open hopper cars are used for commodities such as coal, which can suffer exposure with less detrimental effect. Hopper cars have been used by railways worldwide whenever automated cargo handling has been desired. "Ore jennies" is predominantly a term for s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grace Hopper
Grace Brewster Hopper (; December 9, 1906 – January 1, 1992) was an American computer scientist, mathematician, and United States Navy rear admiral. One of the first programmers of the Harvard Mark I computer, she was a pioneer of computer programming who invented one of the first linkers. Hopper was the first to devise the theory of machine-independent programming languages, and the FLOW-MATIC programming language she created using this theory was later extended to create COBOL, an early high-level programming language still in use today. Prior to joining the Navy, Hopper earned a Ph.D. in mathematics from Yale University and was a professor of mathematics at Vassar College. Hopper attempted to enlist in the Navy during World War II but was rejected because she was 34 years old. She instead joined the Navy Reserves. Hopper began her computing career in 1944 when she worked on the Harvard Mark I team led by Howard H. Aiken. In 1949, she joined the Eckert–Mauchly Com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hopper (particulate Collection Container)
A hopper is a large, pyramidal or cone shaped container used in industrial processes to hold particulate matter or flow-able material of any sort (like dust, gravel, nuts or seeds) and dispense these from the bottom when needed. In some specialized applications even small metal or plastic assembly components can be loaded and dispensed by small hopper systems. In the case of dust collection hoppers the dust can be collected from expelled air. Hoppers for dust collection are often installed in groups to allow for a greater collection quantity. Hoppers are used in many industries to hold material until it is needed, such as flour, sugar or nuts for food manufacturing, food pellets for livestock, crushed ores for refining, etc. Dust hoppers are employed in industrial processes that use air pollution control devices such as dust collectors, electrostatic precipitator An electrostatic precipitator (ESP) is a filterless device that removes fine particles, like dust and smoke, from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hopper Barge
A hopper barge is a kind of non-mechanical ship or vessel that cannot move around by itself, unlike some other types of barges, that is designed to carry materials, like rocks, sand, soil and rubbish, for dumping into the ocean, a river or lake for land reclamation. Hopper barges are seen in two distinctive types; raked hopper or box hopper barges. The raked hopper barges move faster than the box hoppers; they are both designed for movement of dry bulky commodities. There are several "hoppers" or compartments between the fore and aft bulkhead of the barge. On the bottom of the barge hull, there is (are) also a large "hopper door(s)", opening downwards. The doors are closed while the vessel is moving, so she can carry the materials that are to be dumped. The door(s) open when the ship has arrived at the spot where the materials are to be dumped. Split barges serve the same purpose, but instead of a door in the hull's bottom, the hull of the whole barge splits longitudinally ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
