No, seriously. The first ATM was installed in a branch of Barclays in Enfield, north London, 40 years ago this week.
"Plastic cards had not been invented, so Mr Shepherd-Barron's machine used cheques that were impregnated with carbon 14, a mildly radioactive substance. The machine detected it, then matched the cheque against a Pin number."
EEP!!
Happy Birthday to all of those out there turning 40 or 41 this year ;-)
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