Perhaps one of the oldest dreams of a science-fiction future is the ability to create something where once there was nothing. If we could create solid, stable objects out of thin air, the idea of ...

For a couple of years now, I’ve been trying to find an excuse to buy a decent 3D printer. Friends and fellow Ars staffers who had them would gush about them at every opportunity, talking about how ...

If you want to delve into the emerging ecosystem of 3D printing and own a Mac, iPhone, or iPad, here's what you need to know before you take your first foray and print your first test boat. A natural ...