Dinosaurs! DNA! Space Shuttles! 10 Things to Make With Your 3-D Printer

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. » 5/14/12 10:00am 5/14/12 10:00am

The world's tiniest steam engine uses lasers instead of coal

Steam engines run because of statistics — the particles in the machine have a predictable overall behavior, which drives the engine's piston up and down. But if you shrink the engine down to micrometer size, it'll contain far fewer particles, few enough that the behavior of each individual particle could potentially… » 12/16/11 12:27pm 12/16/11 12:27pm