It began 25 years ago in the warm coastal waters of Puerto Rico when a stranger swam over to Gilles Brassard and struck up a conversation about using quantum physics to make bank notes impossible to counterfeit.
"I had no idea who he was," recalled Brassard, then a 24-year-old prodigy and computer-science professor at the Universite de Montreal. "He just started talking nonsense about quantum physics."The stranger turned out to be U.S. physicist Charles H. Bennett. Their chance meeting while attending a theoretical computer science conference would end up revolutionizing the art of code making, also known as cryptography.
Read this full article at Canada.com
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