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Photons, man, it's all about the photons. Japan's solar sail-equipped IKAROS probe has recorded its first propulsion derived from the force of sunlight rays hitting its tender surface. The force generated is a truly minuscule 1.12 millinewtons, but that can go a long way (literally) in a frictionle

4 years ago 0 Comments
July 14, 2010 at 5:31AM
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Ready for some interplanetary exploration? We've had the force shields, currency, and refuel stations all sorted out for a while, and now here come the ion thrusters we've been missing to make manned trips to Mars really viable. Currently, a return journey to Mars can take up to two years, with cre

5 years ago 0 Comments