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I’m kitted out in aluminum trousers, fireproof layers and heavy boots. No, I’m not about to fight a fire in Southern California’s hills. Rather, I’m about to fly a jet pack, and its owner is keen I ...

Even in space, a little duct tape may work wonders. Astronaut Piers Sellers suggested using some multipurpose sticky material to fix a safety-jet backpack used during spacewalks after it almost came ...