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.
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Float glass process
invented by Alastair Pilkington
Float glass is a sheet of glass made by floating molten glass on a bed of…
Hovercraft
invented by Christopher Cockerell
A hovercraft, also known as an air-cushion vehicle or ACV, is an amphibious…
V-2 rocket
invented by Wernher von Braun
The V-2 (German: Vergeltungswaffe 2, “Retribution Weapon 2”), with…
Mosaic
invented by NCSA
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