How Your Laser Pointer Works, At Least In Theory [Video]

The next time you're annoying people from afar with your laser pointer, you'll have a greater appreciation for its bright and focused beam after watching One Minute Physics break down the theoretical science behind how it works. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/bJEnzdo-uSU/how-your-laser-pointer-works-at-least-in-theory

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