Watch a Homemade Robot Crack a Safe in Just 15 Minutes
Matteo Loglio

Last Christmas, Nathan Seidle's wife gave him a second-hand safe she'd found on Craigslist. It was, at first glance, a strange gift. The couple already owned the same model, a $120 SentrySafe combination fire safe they'd bought from Home Depot. But this one, his wife explained, had a particular feature: The original owner had locked it and forgotten the combination.