What Would You Do With a $100 Bill Covered by Invisible Transistors?
December 22, 2010
Cash counterfeiters have had a hell of a good run. Now the fakers may get a serious sprint for their money.
The battle to make paper currency un-counterfeitable has already seen some cutting-edge science in action, but the latest efforts may be the highest-tech yet: Banknotes could soon get a layer of printed electronics, and wireless readability, to make faking essentially impossible.
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