from the on-your-own-two-feet dept.
coondoggie writes "NASA said today it has helped develop a 57-lb robotic exoskeleton that a person could wear over his or her body either to assist or inhibit movement in leg joints. The X1 was derived from the NASA and General Motors Robonaut 2 project and the could find applications as an in-space exercise machine to supply resistance against leg movement more importantly as a way to help some individuals walk for the first time."
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"