Martin states that he has spent 27 years designing and perfecting his jetpack. It stands about five feet tall and its rotors are encased in two large ducts; a three-legged tripod holds it at rest when on the ground. A 200 horsepower gasoline engine provides power to the rotors.
“If someone says, ‘I’m not going to buy a jetpack until it’s the size of my high school backpack and has a turbine engine in it,’ that’s fine,” Martin said. “ But they’re not going to be flying a jetpack in their lifetime.”
Okay, well, I guess I'm still waiting for my Gen-u-ine Heinlein jump harness, like the one in Stranger in a Strange Land (1961).
Boone ordered "Fly up to the Sanctum office and tell the Warden on duty that I want another pilgrim's badge at the Sanctuary gate right away. The word is 'Mars.'"
"'Mars,'" the kid repeated, threw Boone a Scout salute and made a sixty-foot leap over the crowd. Jill realized why the robe looked bulky; it concealed a jump harness.
(Read more about Heinlein's jump harness)
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Illustrating Classic Heinlein With AI
'Stasis, cold sleep, hibernation, hypothermia, reduced metabolism, call it what you will - the logistics-medicine research teams had found a way to stack people like cordwood and use them when needed.'
Deflector Plasma Screen For Drones ala Star Wars
'If the enemy persists in attacking or even intensifies their power, the density of the plasma in space will suddenly increase, causing it to reflect most of the incoming energy like a mirror.'