3D printers

(Newser) - Gun-control advocates are facing a very modern problem: Anyone with a computer and a 3D printer—which use plastic instead of ink—could theoretically become a gun maker. Websites offer blueprints that users can download; within hours, they'll have brand-new rifle parts or ammunition magazines, the Washington Post reports....

(Newser) - Virtual weapons and cyber violence are poised for a massive upgrade into real-world weapons and violence, thanks to the combination of 3D printers and a group called Defense Distributed , which claims to have created downloadable plans anyone can use to "print" working gun parts, reports the AP . A University...