Search results
Results From The WOW.Com Content Network
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
The phase-change incubator is a low-cost, low-maintenance incubator to help test for microorganisms in water supplies. It uses small balls containing a chemical compound that, when heated and then kept insulated, will stay at 37 °C (approx. 99 °F) for 24 hours. MIT professor and engineer Amy B. Smith invented the phase-change incubator in 1999.
Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War; Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union
In 1945, the James first exhibited his new toy at the Gimbels, a department store located in Philadelphia. He sold 400 Slinkys in 90 minutes which was the start of a sensation that continues to this day. [303] 1945 Microwave oven. A microwave oven with a turntable. A microwave oven cooks or heats food by dielectric heating.
1907: The first free flight of a rotary-wing aircraft is carried out by Paul Cornu. 1907: Leo Baekeland invents bakelite, the first plastic made from synthetic components. 1907: The tuyères thermopropulsives [455] after 1945 (Maurice Roy (fr)) known as the statoreacteur [455] [456] a combustion subsonique (the ramjet) [457] – R. Lorin [458 ...
A high-tech 'death ray' capable of zapping sheep led to the invention of radar: 26 Aug 2017 44 S-bend: The S-bend was a pipe with a curve in it, an invention that led to public sanitation: 2 Sep 2017 45 Double-entry bookkeeping: Renaissance man Luca Pacioli wrote the definitive book on double-entry bookkeeping: 9 Sep 2017 46 Management consulting
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
Reintroduction of regular television broadcasts in Germany after the Second World War. 20th Century Fox developed with "Cinemascope" the most successful wide-screen process to better compete with television. Only some 50 years later pulls the TV with the 16: 9 size screen after. 1953