YouTuber Builds the World’s Most Powerful Handheld Laser Pointer and It Can Instantly Melt Glass | Gizmodo

aa0n7h4mwroccayyth1i YouTuber Builds the World's Most Powerful Handheld Laser Pointer and It Can Instantly Melt Glass | Gizmodo

The handheld laser pointers you can buy at office supplies stores are legally required to be no powerful than 0.005-watts, and most fall well below that threshold so they’re relatively safe to use. With that as a reference, you have a better understanding of just how terrifying this 100-watt handheld laser pointer

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