Optical 3D illusion lets you withdraw cash BBC News

sentinelblog

BBC News, May 17, 2014

Worried about people seeing your secret pin number when you withdraw cash? Or maybe you are put off by the grubby keypad, used by thousands of people before you. What if you could withdraw cash by simply waving your fingers in the air? A new technology allows you to do just that, by creating a “floating” 3D display, that is actually an optical illusion.

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By emoztar

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