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Pneumatic Tube
Pneumatic tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by compressed air or by partial vacuum. They are used for transporting solid objects, as opposed to conventional pipelines which transport fluids. In the late 19th and early 20th centuries, pneumatic tube networks gained acceptance in offices that needed to transport small, urgent packages, such as mail, other paperwork, or money, over relatively short distances, within a building or, at most, within a city. Some installations became quite complex, but have mostly been superseded. However, they have been further developed in the 21st century in places such as hospitals, to send blood samples and the like to clinical laboratories for analysis. A small number of pneumatic transportation systems were built for larger cargo, to compete with train and subway systems. However, they never gained popularity. History Historical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Washington, D
Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on Washington, D.C. * George Washington (1732–1799), the first president of the United States Washington may also refer to: Places England * Washington, Tyne and Wear, a town in the City of Sunderland metropolitan borough ** Washington Old Hall, ancestral home of the family of George Washington * Washington, West Sussex, a village and civil parish Greenland * Cape Washington, Greenland * Washington Land Philippines *New Washington, Aklan, a municipality *Washington, a barangay in Catarman, Northern Samar *Washington, a barangay in Escalante, Negros Occidental *Washington, a barangay in San Jacinto, Masbate *Washington, a barangay in Surigao City United States * Washington, Wisconsin (other) * Fort Washington (other) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Automatic Teller Machines
An automated teller machine (ATM) or cash machine (in British English) is an electronic telecommunications device that enables customers of financial institutions to perform financial transactions, such as cash withdrawals, deposits, funds transfers, balance inquiries or account information inquiries, at any time and without the need for direct interaction with bank staff. ATMs are known by a variety of names, including automatic teller machine (ATM) in the United States (sometimes redundantly as "ATM machine"). In Canada, the term ''automated banking machine'' (ABM) is also used, although ATM is also very commonly used in Canada, with many Canadian organizations using ATM over ABM. In British English, the terms ''cashpoint'', ''cash machine'' and ''hole in the wall'' are most widely used. Other terms include ''any time money'', ''cashline'', ''tyme machine'', ''cash dispenser'', ''cash corner'', ''bankomat'', or ''bancomat''. ATMs that are not operated by a financial i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
London Pneumatic Despatch Company
The London Pneumatic Despatch Company (also known as the London Pneumatic Dispatch Company) was formed on 30 June 1859, to design, build and operate an underground railway system for the carrying of mail, parcels and light freight between locations in London. The system was used between 1863 and 1874. Background Sir Rowland Hill of the General Post Office commissioned two engineers to investigate the feasibility of a pneumatic tube-based system between the General Post Office and the West District Central Post Office. In 1855 and 1856 they reported favourably but there would be significant cost. The scheme was not progressed. In 1859 Thomas Webster Rammell and Josiah Latimer Clark proposed an underground tube network in central London "for the more speedy and convenient circulation of despatches and parcels". The company was founded in 1859 with offices at 6 Victoria Street, Westminster. Capital of £150,000 was sought through 15,000 shares at £10 each. The company's direc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fish Cannon
A fish ladder, also known as a fishway, fish pass, fish steps, or fish cannon is a structure on or around artificial and natural barriers (such as dams, locks and waterfalls) to facilitate diadromous fishes' natural migration as well as movements of potamodromous species. Most fishways enable fish to pass around the barriers by swimming and leaping up a series of relatively low steps (hence the term ''ladder'') into the waters on the other side. The velocity of water falling over the steps has to be great enough to attract the fish to the ladder, but it cannot be so great that it washes fish back downstream or exhausts them to the point of inability to continue their journey upriver. History Written reports of rough fishways date to 17th-century France, where bundles of branches were used to make steps in steep channels to bypass obstructions. A pool and weir salmon ladder was built around 1830 by James Smith, a Scottish engineer on the River Teith, near Deanston, Perthshire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Waymarking
Trail blazing or way marking is the practice of marking paths in outdoor recreational areas with signs or markings that follow each other at certain, though not necessarily exactly defined, distances and mark the direction of the trail. A blaze in the beginning meant "a mark made on a tree by slashing the bark" (''The Canadian Oxford Dictionary''). Originally a waymark was "any conspicuous object which serves as a guide to travellers; a landmark" (''Oxford English Dictionary''). There are several ways of marking trails, including paint, carvings, affixed markers, posts, flagging, cairns, and crosses, with paint being the most widely used. Types of signage Paint A painted marking of a consistent shape or shapes (often rectangular), dimension and colour or combination of colours is used along the trail route. The system by which blazes are used to signify turns and endpoints in trails (see below) strongly favors the use of paint blazes. European countries usually use systems ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Edina, Minnesota
Edina ( ) is a city in Hennepin County, Minnesota, United States and a first-ring suburb of Minneapolis. The population was 53,494 at the 2020 census, making it the 18th most populous city in Minnesota. Edina began as a small farming and milling community along Minnehaha Creek in the 1860s and became one of Minneapolis's first incorporated suburbs in 1888. After years of being a streetcar suburb, Edina saw expanded development as a car-centric suburb in the 1950s and 1960s. Several major corporations, including Dairy Queen, Great Clips, Edina Realty, and Caribou Coffee, have headquarters in Edina, and the city today is known for its shopping, parks, and high quality of life. Edina also plays host to the nation's oldest indoor mall, the Southdale Center. History Settlement Edina began as part of Richfield Township, Minnesota. By the 1870s, 17 families, most of them immigrating as a result of the Great Famine of Ireland, had come to Minnesota and claimed land in the sout ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
McDonald's
McDonald's Corporation is an American Multinational corporation, multinational fast food chain store, chain, founded in 1940 as a restaurant operated by Richard and Maurice McDonald, in San Bernardino, California, United States. They rechristened their business as a hamburger stand, and later turned the company into a Franchising, franchise, with the Golden Arches logo being introduced in 1953 at a location in Phoenix, Arizona. In 1955, Ray Kroc, a businessman, joined the company as a franchise agent and proceeded to purchase the chain from the McDonald brothers. McDonald's had its previous headquarters in Oak Brook, Illinois, but moved its global headquarters to Chicago in June 2018. McDonald's is the world's largest restaurant chain by revenue, serving over 69 million customers daily in over 100 countries in more than 40,000 outlets as of 2021. McDonald's is best known for its hamburgers, cheeseburgers and french fries, although their menus include other items like ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neutron Activation Analysis
Neutron activation analysis (NAA) is the nuclear process used for determining the concentrations of elements in many materials. NAA allows discrete sampling of elements as it disregards the chemical form of a sample, and focuses solely on atomic nuclei. The method is based on neutron activation and thus requires a source of neutrons. The sample is bombarded with neutrons, causing its constituent elements to form radioactive isotopes. The radioactive emissions and radioactive decay paths for each element have long been studied and determined. Using this information, it is possible to study spectra of the emissions of the radioactive sample, and determine the concentrations of the various elements within it. A particular advantage of this technique is that it does not destroy the sample, and thus has been used for the analysis of works of art and historical artifacts. NAA can also be used to determine the activity of a radioactive sample. If NAA is conducted directly on irradiat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nuclear Chemistry
Nuclear chemistry is the sub-field of chemistry dealing with radioactivity, nuclear processes, and transformations in the nuclei of atoms, such as nuclear transmutation and nuclear properties. It is the chemistry of radioactive elements such as the actinides, radium and radon together with the chemistry associated with equipment (such as nuclear reactors) which are designed to perform nuclear processes. This includes the corrosion of surfaces and the behavior under conditions of both normal and abnormal operation (such as during an nuclear accidents, accident). An important area is the behavior of objects and materials after being placed into a nuclear waste storage or disposal site. It includes the study of the chemical effects resulting from the absorption of radiation within living animals, plants, and other materials. The radiation chemistry controls much of radiation biology as radiation has an effect on living things at the molecular scale. To explain it another way, the rad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mission Operations Control Room During Apollo 13
Mission (from Latin ''missio'' "the act of sending out") may refer to: Organised activities Religion *Christian mission, an organized effort to spread Christianity *Mission (LDS Church), an administrative area of The Church of Jesus Christ of Latter-day Saints *The Christian Mission, the former name of the Salvation Army Government and military *Bolivarian missions, a series of social programs created during Hugo Chávez's rule of Venezuela *Diplomatic mission, a diplomatic outpost in a foreign territory *Military operation *Mission statement, a formal, short, written articulation of an organization's purpose *Sortie or combat mission, a deployment or dispatch of a military unit *Space mission, a journey of craft into outer space Geography Australia * Mission River, Queensland, a locality in the Shire of Cook and the Aboriginal Shire of Napranum *Mission River (Queensland), a river in Australia Canada *Mission, British Columbia, a district municipality *Mission, Calgary, A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cosmosphere
Cosmosphere is a space museum and STEM education center in Hutchinson, Kansas, United States. It was previously known as the Kansas Cosmosphere. The museum houses over 13,000 spaceflight artifacts—the largest combined collection of US and Russian spaceflight artifacts in the world—and is home to internationally acclaimed educational programs. Facilities The Cosmosphere grew from a planetarium established on the Kansas State Fairgrounds in 1962. The facility houses the largest collection of Russian space artifacts outside of Moscow, and a collection of US space artifacts second only to the National Air and Space Museum in Washington, D.C. The Cosmosphere has four venues: The Hall of Space Museum, The Justice Planetarium, The Carey Digital Dome Theater, and Dr. Goddard's Lab (an explosive live science presentation on the history of rocketry). The Cosmosphere also hosts summer camps for all ages, and co-curricular applied STEM education programs for field trips, groups, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
