Search results
Results from the WOW.Com Content Network
American researchers made fundamental advances in telecommunications and information technology. For example, AT&T's Bell Laboratories spearheaded the American technological revolution with a series of inventions including the light emitting diode , the transistor, the C programming language, and the UNIX computer operating system.
1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
1857 – In America David Acheson Woodward patents the solar camera, derived from the earlier solar microscope, [14] using sunlight to make enlargements from glass negatives [15] 1861 – James Clerk Maxwell presents a projected additive color image of a multicolored ribbon, the first demonstration of color photography by the three-color method ...
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
It is designed to generate smoke from the smouldering of various fuels, hence the name. The first bee smoker, which incorporated a bellows with a fire pot, was invented in 1870 by the renowned American beekeeper, Moses Quinby. [188] 1870 Can opener (rotary, side-opening) The can opener is a device used to open metal cans.
On the Move: A Chronology of Advances in Transportation. Gale Research. ISBN 978-0-8103-8396-8. Berger, Michael L. The automobile in American history and culture: a reference guide (Greenwood, 2001). Condit, Carl W. The railroad and the city: a technological and urbanistic history of Cincinnati (The Ohio State University Press, 1977) online.
American inventor Lee de Forest invented the triode. 1908: Scottish engineer Alan Archibald Campbell-Swinton, laid out the principles of television. 1909: Mica capacitor was invented by William Dubilier. 1911: Dutch physicist Heike Kamerlingh Onnes discovered Superconductivity. 1912: American engineer Edwin Howard Armstrong developed the ...
The Indus Valley script remains undeciphered and there are very little surviving fragments of its writing, thus any inference about scientific discoveries in that region must be made based only on archaeological digs. The following dates are approximations. The Nippur cubit-rod, c. 2650 BCE, in the Archeological Museum of Istanbul, Turkey