The Cray-1, the first commercially developed supercomputer.
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Pacemaker
invented by Wilson Greatbatch
A cardiac pacemaker (or artificial pacemaker, so as not to be confused with the…
Laser Printing
invented by Xerox PARC
Gary Starkweather, who worked in Xerox’s product development department,…
Electron microscope
invented by Ernst Ruska
An electron microscope is a microscope that uses a beam of accelerated…
Quartz clock
invented by J.W. Horton Warren Marrison
Quartz clocks and quartz watches are timepieces that use an electronic…
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Inventions that changed the world
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