Automotive

Tesla issues 2nd recall for obstructing pedestrian warning

Tesla is recalling nearly nearly 595,000 vehicles in the U.S., most for a second time, because a "Boombox" function can play sounds over an external speaker and obscure audible warnings for pedestrians.

Computer Sciences

Teaching machines to reason about what they see

A child who has never seen a pink elephant can still describe one—unlike a computer. "The computer learns from data," says Jiajun Wu, a Ph.D. student at MIT. "The ability to generalize and recognize something you've never ...