Europe's Newest Vacuum Tunnel Simulates Space with Cryogenic Walls [Monster Machines]

Before they're strapped onto rockets for a mission to Mars, ion engines, like NASA's VASIMR project need to be tested—here at the STG-ET chamber at the German Aerospace Agency (DLR), one of the most advanced vacuum chambers on the planet. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/eSNmo7UkQIg/europes-newest-vacuum-tunnel-simulates-space-with-cryogenic-walls

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