The Liebelua helicopter backpack is basically "powered by two hydrogen fuel canisters and the rockets at the end of the blades negate the need for a tail rotor." No word yet on if this concept will go into production. Click here for first picture in gallery.
Sure, you can get yourself a personal helicopter or, if you're particularly daring, a jet pack, but what about those that crave yet more danger in short 30-second bursts? As in, rocket-propelled helicopter blades a few inches from your head-type danger[via Engadget - Gizmodo - Dvice]
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