CERN-Stumpe_Capacitance_Touchscreen.jpg

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Description	English: On the left, x-y multi touch capacitance screen prototype developed at CERN in 1977; on the right, self capacitance screen developed at CERN in 1972.
Date	21 May 2010
Source	https://www.flickr.com/photos/50410282@N06/4626709556/
Author	Maximilien Brice
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