Not only no on-board fuel, but no on-board propellant, either. There goes everyt... | Hacker News

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mikemol on Sept 9, 2010 | parent | context | favorite | on: Microwave-Powered Rocket Ascends without Fuel

Not only no on-board fuel, but no on-board propellant, either. There goes everything I learned about rockets from Heinlein. Slick!

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