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Science and Technology
Terms in this set (26)
Invented by Eli Whitney in 1793. It removed seeds from cotton fibers. Now cotton could be processed quickly and cheaply. Results: more cotton is grown and more slaves are needed for more acres of cotton fields
A boat that moves by the power of a steam engine, made it easier and quicker to travel goods
A wire communication system which used Morse code to send messages over long distances.
system developed by Samuel Morse that represented each letter of the alphabet by a certain combination of dots and dashes; used with the telegraph
A form of energy used in telegraphy from the 1840s on and for lighting, industrial motors, and railroads beginning in the 1880s.
A device that converts sound into electrical signals that can be transmitted over distances. Considered to have been invented by Alexander Graham Bell.
record player; a device that turns the writing on records into sound
Invented by Thomas Edison. Very very important invention. (The way you are viewing this Quizlet is all based upon the light bulb...LEDs in computer, phone, and tablet screens).
Changed pattern of American life. Replaced the railroad industry as key promoter of economic growth.
Networks of iron (later steel) rails on which steam (later electric or diesel) locomotives pulled long trains at high speeds. First railroads were built in England in the 1830s. Success caused a railroad building boom lasting into the 20th Century (704)
Invention which helped to unify American culture
a very tall building with many stories
A series of improvements in industrial technology that transformed the process of manufacturing goods.
In a factory, an arrangement where a product is moved from worker to worker, with each person performing a single task in the making of the product.
bomb dropped by an American bomber on Hiroshima and Nagasaki destroying both cities
A secret U.S. project for the construction of the atomic bomb.
Many scientists and military leaders believed that control of space would be very important. Consequently, the USA and USSR invested billions of dollars in developing satellites, space stations, rockets, etc. This investment led to great scientific advances, but also caused friction and insecurities.
First artificial Earth satellite, it was launched by Moscow in 1957 and sparked U.S. fears of Soviet dominance in technology and outer space. It led to the creation of NASA and the space race.
During the 1980s personal computers began to appear in many homes across the world. By the late 1990s, computers had become a staple in most industrialized country's homes.
President Reagan's proposed weapons system to destroy Soviet missiles from space.
Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.
Energy that is harnessed from reactions among radioactive isotopes
An undesirable change in the physical, chemical, or biological characteristics of air, water, soil, or food that can adversely affect the health, survival, or activities of humans or other living organisms.
An increase in the average temperature of the earth's atmosphere (especially a sustained increase that causes climatic changes)
Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur dioxide and nitrogen oxides) combine with water.
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