The whole pack isn't up and running, he says in the video, because apparently there's one guy out there who specializes in crafting parts of Rocketeer jetpacks (recession-proof). But after that: jetpack.
Here's Adam Savage talking about it. The original trailer's below if you aren't familiar or need a refresher.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.