10866048_vtfA new kind of security guard is on patrol in Silicon Valley: crime-fighting robots that look like they’re straight out of a sci-fi movie. At first glance, the K5 security robot looks like a cartoonish Star Wars character. “The vast majority of people see it and go, ‘Oh my God, that’s so cute.’ We’ve had people go up and hug it, and embrace it for whatever reason,” said Stacy Stephens, co-founder of Knightscope, headquartered in Mountain View. They are unarmed, but they are imposing: about 5 feet tall and 300 pounds, which very likely will make someone think twice before committing a crime in their presence. More