This week we decided to build lasers. Not just any laser, but one that puts out 100KW pulses of Ultraviolet light. Okay, the pulses only last 1-2ns and it's hard to burn things with it, but it's still pretty cool. It's pretty easy to make from junk, and it uses Nitrogen right out of the atmosphere to lase. Check out the video:
23B TEA Laser
Arclight
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