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 ...
What do encrypted messages, recognizing speech commands and running simulations to predict the weather have in common? They all rely on matrix multiplication for accurate calculations. DeepMind, an ...
On a recent hike around the ruins of the St. Francis Dam disaster site about 40 miles from Downtown Los Angeles, with my archaeologist friend, John, we discussed the tarnished life of its builder and ...
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