A vacuum tube, electron tube, valve (British usage), or tube (North America), is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
invented by Charles Thomson Rees Wilson
A cloud chamber, also known as a Wilson cloud chamber, is a particle detector…
invented by Xerox PARC
Produced at Xerox PARC by Butler Lampson, Charles Simonyi and colleagues.
invented by CERN
A touchscreen or touch screen is the assembly of both an input (‘touch…
invented by Norman Joseph Woodland
A 10-pack of Wrigley’s Juicy Fruit chewing gum is the first product to…
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