weapons stories

 
Earlier this year, amateur gunsmiths got together to see if they could print out some parts that could be used to construct a fully functional AR-15 semi-automatic rifle. Last weekend, a 3D-printed lower receiver was tested to failure shooting real bullets, and made it through six shots before suffering what you could legitimately call a catastrophic structural failure.
 
The EMP grenade, or electromagnetic pulse grenade, is a sci-fi gaming staple. Toss one of 'em at the nearest evil robot or uncooperative computer system, and it'll generate a power surge that fries all electronics within range. The military has realized that this would be a handy real-life capability, and the Pentagon is asking someone to go out and invent one.
 
We know, the fact that the largest and most powerful laser in the world is now being used for weapons research might not, at first glance, sound like a bad thing. But it is, for two reasons: first, this laser used to be trying to figure out how to make fusion happen, and second, the weapons research does not involve turning it into a laser cannon.

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