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A comment on Warp drive may actually be possible, NASA scientist says. Parent comment

Re:Warp drive may actually be possible, NASA scientist says by InclinedPlane on Wednesday September 19, 2012 @07:57AM (#4543133)
To decelerate you'd use a magsail or an m2p2 type system. This is vastly more mass efficient than simply thrusting in the reverse direction.
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