So How Exactly Are Lasers Created? [Video]

They're the bane of pilots and moviegoers, but lasers have become an essential part of everyday life. They facilitate everything from high-speed communications, to vision-saving surgeries, to super-villain plots for world domination. But how in the hell do they get that beam of light so intense and so focused? More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/Z1Ss9u2taPA/so-how-exactly-are-lasers-created

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