Testing a jetpack is one thing. Testing it by jumping off a 45-story building, way up above the zero-bounce concrete streets of Denver, Colorado -- well, that requires some rock-hard fuel tanks.
Filed under: Transportation
Testing a jetpack is one thing. Testing it by jumping off a 45-story building, way up above the zero-bounce concrete streets of Denver, Colorado -- well, that requires some rock-hard fuel tanks.
Filed under: Transportation
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