It was a pivotal moment in computing history when a computer beat a human at chess for the first time, but that doesn't mean chess is "solved." Pixabay On this day 21 years ago, the world changed ...

Dec. 1—A talk with Mark Galassi, even if it spans a few minutes, is likely to be a sweeping conversation, one that soars way out into the galaxy and plunges deep down into the human psyche. It's a ...