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Percy Spencer (July 19, 1894 – September 8, 1970) was an American physicist, electrical engineer and inventor, known as the inventor of the microwave oven. [ 1 ] Early life
The true story is that it was invented utterly by accident one fateful day more than 70 years ago, when a Raytheon engineer named Percy Spencer was testing a military-grade magnetron and suddenly ...
1945: Percy Spencer, while employed at Raytheon, would patent a magnetron based microwave oven. [480] 1945: Willard Libby began his work on radiocarbon dating. He published his paper in 1946, [481] [482] a second paper in Science in 1947.
Jerome H. Lemelson (1923–1997), U.S. – inventions in the fields in which he patented make possible, wholly or in part, innovations like automated warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive used in Sony's Walkman tape players.
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A microwave oven cooks or heats food by dielectric heating. Cooking food with microwaves was discovered by Percy Spencer on October 8, 1945, while building magnetrons for radar sets at Raytheon. Spencer was working on an active radar set when he noticed a strange sensation, and saw that a peanut candy bar he had in his pocket started to melt.
Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union This page was last edited on 29 September 2024, at 01:57 (UTC) ...
An illustration of the Pre-Columbian abacus: the Nepohualtzintzin. Abacus – The Aztec and Maya of Mesoamerica performed arithmetic operations using an abacus. It served as a more accurate and faster alternative to a written solution or relying on memory.