Houston Mechatronics built a robot sub that transforms into a skilled humanoid
Photo: Ken Kiefer
Into the Blue: The robot Aquanaut floats underwater during a test at NASA’s Neutral Buoyancy Laboratory.
Just a short distance away from me, two astronauts are practicing for a spacewalk. I’m drifting weightlessly, in a silence broken only by my own breathing and the occasional update from Mission Control in my headset