Two robotic arms face two closed doors. Both reach forward and miss the door handles entirely. So they reach again, and this time, they hit the handles head-on, rattling the door frames. So they try again. And again. Finally, they grab the handles cleanly and pull the doors open, and after a few more hours of trial and error, they can repeat the trick every time.
Learn about your ad choices:
dovetail.prx.org/ad-choices
