Got an industrial-grade 3D printer laying around that you don't know what to do with? 3D print your own "invisibility cloak"!

It'll probably be a few more years before 3-D printing begins revolutionizing the world of retail, but it's already making a sizable splash in today's DIY community. For around 1500 bucks, it's now possible to get your hands on a consumer-grade 3-D printer that's capable of churning out some pretty cool objects.

That's what an 83 year old woman in Belgium did. Her seriously infected jaw needed to be removed, but reconstructive surgery would have been too dangerous for such an elderly patient. That's when the doctors fired up the 3D printer.

This gorgeous, mysterious video is a glimpse of one possible Earth future. Imagine that we abandon fossil fuels for solar, but not before our once-green world grows sprawling new deserts.

Behold the world's smallest 3D printer. About the size of a milk carton and weighing only 3.3 lbs, this breakthrough brings us that much closer to a reality of DIY 3D printing production. A multi-disciplinary team of chemical researchers and mechanical engineers at the Vienna University of Technology collaborated on…

Jeff and Ashley Sierzenga recently took it upon themselves to bring to life the flesh-eating nanobots from Jeff Carlson's bestselling series Plague Year. Here you can see their entire project, from schematics to the final model.