This is no joke for hard core Trekkies out there, or for anyone else for that matter. Check out this DIY Star Trek Phaser, a real life Sci-Fi weapon that is really dangerous and has the capacity to really hurt.
Modeled after an official 1994 classic star trek phaser, the laser powered weapon does have a safety switch, and the inventor also printed a safety guideline in his tutorial, which you can find in his blog link. Watch as the star trek phaser is used to blast objects in this amazing video.
Real Life Sci-Fi Weapons
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