All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn algorithm, named after IBM researcher Hans Peter Luhn, who patented it in ...

Home > Extreme Google Fed a Language Algorithm Math Equations. It Learned How to Solve New Ones. Computers fail at even simple math more often than many of us realize and that flaw is rooted in the ...

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Cathy O’Neil believes there is a dark side to numbers. A mathematician by training, she earned her doctorate at Harvard and went on to become a tenure-track professor at Barnard College. In 2007, ...