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1,792 results
Handheld, yellow lasers do not exist. That is my experience after I last year tried three that were advertised to emit some shade of ...
432,352 views
3 months ago
Episode 59 #photonics #Laser In this episode, a sub $30 dollar junk tattoo laser is torn right down, repaired and re-assembled ...
121,351 views
8 months ago