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newsweek.com/nasas-laser-powered-spaceship-could-travel-mars-72-hours-..
0 1

D
1 0 0.0005

forbes.com/sites/startswithabang/2016/02/23/sorry-but-lasers-arent-tak..
Explains how difficult it would be to do this and the problems
7 0

Link by Craig

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