From Buck Rogers to 007, the jetpack has fueled our greatest personal-technology fantasies. For Juan Lozano, it has inspired a lifelong obsession

rocketeer article images Juan Lozano, backyard Rocketeer John B. Carnett

If he´s lucky, when he turns the throttle, his 90 percent hydrogen peroxide will expand to 5,000 times its size and convert to steam that will reach 1,300

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