Top 10 Things You Didn't Know About Money

As the U.S. government debuts a new $100 bill on Apr. 21 — this one will be redesigned to ward against digital copying and counterfeiting — TIME traces the history of banknotes from ancient China to modern cocaine dens. Here are 10 tidbits about money that may surprise you

The World's First ATM

Top 10: Facts about Paper Money

A girl puts her computer punch card into the slot of a money machine outside the Westminster Bank in Charring Cross, London, on Jan. 19, 1968

AP

It might just be the best idea to come to a man in the bathtub since Archimedes' time. While taking a soak, inventor John Shepherd-Barron devised what is hailed as the world's first automatic teller machine, although his claim to the title is a matter of dispute. He pitched the device to the British bank Barclays. It accepted immediately, and the first model was built and installed in London in 1967. Though the machine used PIN (personal identification number) codes, a concept Shepherd-Barron also claims to have invented, it was dependent on checks impregnated with the (slightly) radioactive isotope carbon 14 to initiate a withdrawal, as the magnetic coding for ATM cards had not yet been developed. One other difference from its ubiquitous modern counterpart: it didn't charge a fee.

Read about ATMs being installed in church lobbies.

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