Teaching robots to ask for help (IMAGE) Princeton University, Engineering School Caption Engineers at Princeton University and Google have come up with a new way to teach robots to know when they don’t know and ask for clarification from a human. Credit Allen Ren et al./Princeton University Usage Restrictions Noncommercial use only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.