CultureNASA acknowledges 'impossible' fuel-less drive may actually work Although many scientists balk at the idea of a propellant-less space thruster, NASA recently tested such a drive, which uses electricity and microwaves, no fuel required. If confirmed, this system could revolutionize space travel.by Robin Burks
ScienceEurope sends its last supply ship to space station, marks beginning of the endby Rebecca Kaplan
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TechNASA releases model blueprints of spacecrafts, planets and asteroids for 3D printer enthusiastsby James Maynard