HOW TO: Build a Cheap Burning Laser

Youtube user Styropyro built this cool burning laser out of parts he salvaged from an old computers. Total cost of the project: $3.55. Oh, and if you decide to build one for yourself, be sure to act responsibly and don’t go pointing this thing into people’s eyes.

[Via]

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2 Responses to HOW TO: Build a Cheap Burning Laser

  1. Cheap and easy, but still strong enough to cook your eyeballs. Make sure you have protective eyewear designed for the wavelength of your laser. Even ambient reflections from these things can kill your eyes after a scarily small amount of time.

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