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