Pales in comparison to Soviet science ;-): > the power comes from pistons that are filled with a fuel-air mixture, and fired by compression when the user puts

Pales in comparison to Soviet science ;-): > the power comes from pistons that are filled with a fuel-air mixture, and fired by compression when the user puts his or her full body weight down into the boot https://en.wikipedia.org/wiki/Rocket_boots https://en.wikipedia.org/wiki/Rocket_boots https://www.cnet.com/tech/tech-industry/these-gas-powered-boots-were-made-for-22-mph/ https://www.cnet.com/tech/tech-industry/these-gas-powered-bo...