[Ray Kampmeier] just finished writing some code to allow him to control his robotic arm using force-sensitive hand gestures! He calls it the Robo Marionette. He’s using a MeArm 4 DOF robotic arm ...

Then he slapped his hand on his chest, extended his arm straight out and up with his palm facing down. “My heart goes out to you,” said Musk, after turning around to make a similar gesture ...