Tesla Inc. unveiled its much-awaited robotaxi at an event in Southern California on Thursday night, showing a prototype of the Cybercab, an autonomous vehicle without steering wheels or pedals that Chief Executive Elon Musk said would cost less than $30,

Behind-the-scenes human ‘assisting’ Optimus meant the We, Robot event said little about how far its humanoid robots have come.

We may be on the brink of a new era where robots not only perform tasks but also become embedded in human society.