Update: YouTube issued an update noting that the homepage was back, but the team was working on a ‘full fix’. YouTube was reportedly down. (Unsplash) “An issue with our recommendations system ...

Researchers used algebra and geometry together to solve an old random walk problem. Random walk ideas have informed everything from biology to video games. This team identified a key geometry idea ...

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Anybody can shoot a nice little group on a calm day, off a bench, with a fresh barrel and the one load their rifle likes, then start talking like they’ve got a laser. That’s not me being cynical—it’s ...