The Cray-1, the first commercially developed supercomputer.
invented by Norikazu Sawazaki
A video tape recorder (VTR) is a tape recorder designed to record and play back…
invented by Edwin H. Armstrong
FM broadcasting is a method of radio broadcasting using frequency modulation…
invented by Herbert A. Gilbert
An electronic cigarette is an electronic device that simulates tobacco smoking.…
invented by Ægidius Elling
A fourth component is often used to increase efficiency (on turboprops and…
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Inventions that changed the world
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