52670153 submission Submission + - Robots can learn to hold knives — and not stab humans (techcrunch.com) Submitted by aurtherdent2000 on Tuesday November 05, 2013 @07:03PM aurtherdent2000 writes: We humans enjoy not having knives inside of us. Robots don’t know this, three laws be damned. Therefore it’s important for humans to explain this information to robots using careful training. Researchers at Cornell University develop co-active learning method where humans can correct robot's motions and it learns how to properly use objects such as knives. They use it for a robot performing grocery checkout tasks.