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Chemical synthesis
Synthesis, Chemical Resources Chemical synthesis is the preparation of a compound, usually an organic compound, from easily available or inexpensive commercial chemicals. Compounds are prepared or synthesized by performing various chemical reactions using an inexpensive starting material and... Read more |
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Manufactured gas
producer gas fuel gas consisting chiefly of carbon monoxide and nitrogen. It is prepared in a furnace or generator in which air is forced upward through a burning fuel of coal or coke. Although the fuel is introduced through the top, no air is admitted there. The carbon of the fuel is oxidized by... Read more |
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kitsch
kitsch [Ger.,=trash], term most frequently applied since the early 20th cent. to works considered pretentious and tasteless. Exploitative commercial objects such as Mona Lisa scarves and abominable plaster reproductions of sculptural masterpieces are described as kitsch, as are works that claim... Read more |
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hydroelectric power
hydroelectricity Electricity generated from the motion of water. In all installations, this energy of movement, or kinetic energy, is first converted into mechanical energy in the spinning blades of a water turbine, and then into electricity by the spinning rotor of a generator. Many power stations... Read more |
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Young Womens Christian Association
Young Women's Christian Association (YWCA). Founded independently of the YMCA (1855, but united 1877) by Emma Robarts with her Prayer Union of 23 young women ‘to offer service with their prayers’, and Emily Kinnaird whose London hostel, originally for Florence Nightingale's nurses... Read more |
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academy board
academy board. A type of cardboard sheet used as a support for painting, especially in oils. It is made of sheets of paper sized and pressed together, treated with a ground, and sometimes embossed with an imitation canvas grain. Academy board was introduced in about 1850 and because of its relative... Read more |
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Federal Home Loan Banks
Federal Home Loan Banks Twelve regional organizations in the USA that supply credit for savings and loans associations (the US equivalent of building societies) and other organizations providing domestic mortgages. They are independent organizations but since 1989 they have been supervised by a... Read more |
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Saint Etheldreda
Etheldreda, St (d. 679), English princess and queen, foundress and abbess of Ely. She is the patron saint of Ely, and the word tawdry derives from a contraction of St Audrey, a later form of her name, in reference to the cheap laces and other finery sold at the annual fair in her honour. It is said... Read more |
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price
price amount of money for which a unit of goods or services is exchanged. Price is equivalent to market value and may or may not measure the intrinsic value of the goods or services to the buyer or seller. Most economists hold that, in the long run, price in a competitive market will equal the cost... Read more |
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Can Wasps Take the Sting Out of Crime?; Insects Are Being Trained To Detect...
...behavior of five wasps housed in a transparent...capsule. When the wasps detect a target odor, they converge around...who believes the Wasp Hound could be used...crops for toxins and detect diseases such as cancer from the odors in a person's breath. "They're very cheap ... |
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Wasps Could Replace Bomb, Drug Dogs
...behavior of five wasps housed in a transparent...capsule.When the wasps detect a target odor, they converge around...who believes the Wasp Hound could be used...crops for toxins and detect diseases such as cancer from the odors in a person's breath."They're very cheap ... |
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SCIENCE; Notebook
...trained wasps to detect specific odors -- a prototype...If the wasps detect the suspect odor, they gather...sugar water, wasps can be trained...Ultimately, the "Wasp Hound" will be...Progress. "The wasps are cheap and reliable... |
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The secret life of bees.(Believe It or Not: EYEBROW-RAISING STORIES)
...plentiful, easier and cheaper to train. Researchers...simply expose hungry wasps to the target odor, let them feed on...and feeding, the wasps associate the odor with feeding. The wasps are then controlled with the Wasp Hound--a 10...When the wasps detect a ... |
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Sting operation: scientists use bees and wasps to sniff out the ellicit and...
...respond to pollen. Wasps' sniffing abilities...device, called the Wasp Hound, is under...train our bees to detect it," says chemist...insects are not only cheaper to keep and quicker...canines can't detect. In some cases...who coleads the Wasp Hound project...up the faintest ... |
 "Chicago Tribune (Chicago, IL)")
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Move over, rover: Giant rats, pigs and wasps are sniffing around front lines...
...Belgian Malinois trained to detect explosives, and the effectiveness...wide range of animals whose cheap cost, easy trainability and...African giant pouched rats to detect land mines. "Then they see...rodents. Certainly they would be cheaper-and perhaps equally effective...Soon, the rat associated ... |
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THE ODD SQUAD: MOVE OVER, ROVER. GIANT RATS, SMALLISH PIGS AND EAGER WASPS...
...Belgian Malinois trained to detect explosives, and the effectiveness...wide range of animals whose cheap cost, easy trainability and...African giant pouched rats to detect land mines. "Then they see...rodents. Certainly they would be cheaper-and perhaps equally effective...Soon, the rat associated ... |
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