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NASA’s laser-powered spaceship could travel to Mars in 72 hours | Watch the video - Yahoo News
news.yahoo.com/video/nasa-laser-powered-spaceship-could-132538751.html
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forbes.com/sites/startswithabang/2016/02/23/sorry-but-lasers-arent-tak..
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“Explains how difficult it would be to do this and the problems”
    Rebuttal link created 2016-02-26 23:45:44.094 by Craig

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