Gary Starkweather, who worked in Xerox’s product development department, had the idea of using a laser beam to “draw” an image of what was to be copied directly onto the copier drum.
invented by Jan Czochralski
Silicon is a chemical element with the symbol Si and atomic number 14. It is a…
invented by Herbert A. Gilbert
An electronic cigarette is an electronic device that simulates tobacco smoking.…
invented by Fritz Haber
The Haber process, also called the Haber–Bosch process, is an artificial…
invented by Wilson Greatbatch
A cardiac pacemaker (or artificial pacemaker, so as not to be confused with the…
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Inventions that changed the world
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