How Do Laser Beams Engrave Things? (slow motion) | WIRED

A fiber laser can carve super intricate designs into any metal in just 10 seconds. The laser is getting so hot the metal is vaporizing away, yet it does nothing to our skin. As we play the video back and watch these lasers in slow motion, Alexander Sellite of "Laser Everything" breaks down everything we need to know about fiber lasers and how they function.


See more of Alex here: https://www.youtube.com/LaserEverything

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