Physicist John Hunter has proposed the construction of a 1.1-kilometer-... ...cientist: The gun is based on a smaller device Hunter helped to build in the 1990s while at the Lawrenc... ...t speeds of up to 3 kilometres per second. Now Hunter and two other ex-LLNL scienti...http://www.neatorama.com/2009/10/07/physicist-proposes-using-cannon-to-fire-payloads-into-space/
Physicist Proposes Using Cannon to Fire Payloads into Space...
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