http://www.popsci.com/technology/article/2011-02/laser-launched-rockets-could-be-safer-cheaper-and-more-efficient-way-space
NASA wants to use lasers to make rockets get more bang from their (very expensive) fuel. Using ground-based lasers, rockets could be super heated inorder to make the fuel burn hotter. Anything involving lasers is really cool in my opinion, and they seem to be worming their way into every scientific endeavor from particle physics to military research.
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