Exoskeletons Will Make Work Weightless with Adam Rogers from Wired
No batteries or electronics of any kind, so it is not going to work for people who are in wheelchairs, but it also means it might be cheap enough to succeed in the marketplace. It does make operating heavy power tools much easier.
Posthip Scott sent me a link to an article on the same subject from ARS Technica which also has a video, but that video didn't come with an easy-to-use clip of embed code.
Previous exoskeleton posts.