NPR

Like Magic: The Tech That Goes Into Making Money Harder To Fake

Imagine the Founding Fathers walking across the bills in your wallet. Like something out of Harry Potter, increasingly complex animation technology is being developed for use in paper currency.
The redesigned U.S. $100 bills that went into circulation in 2013 incorporate technology that features several visual illusions, all designed to foil counterfeiters. / BRENDAN SMIALOWSKI / Getty Images

In 2005, shortly after earning a master's degree in electrical and computer engineering, Sam Cape was looking for work online when he came across a cryptic help wanted ad.

At his interview, he was shown something that blew his mind. Cape says it looked like film, but was three-dimensional and appeared to be moving. It was in fact a prototype of a he would go on to refine as the director of research and development for Massachusetts-based Crane Currency.

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