The lights are on
It can't cut through limbs, but it rotates and burns wood. It's about as close as it can get to Isaac's plasma cutter without the government getting involved and proclaiming it a dangerous weapon.
It really is impressive. You can see it in the video below. It was created by Laser-Gadgets.com founder Patrick Priebe. Prieve doesn't offer plans or blueprints for his projects, but he does sell completed projects through his website.
[Source: Gizmag via The Verge]
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