It may seem distinctly low-tech compared to some of the many technology trends I write about, but 3D and 4D printing will have very wide applications – and could be particularly powerful when combined ...

Sci-fi devices become real all the time, and we'd argue the 3D printer is one of those. I distinctly remember as a teen when these things were becoming popular, and we all thought people would be ...

A 3D printer is easy to treat as a hobby machine first. It makes toys, desk gadgets, cable clips, decorative parts, and the occasional thing that looks useful until it sits untouched for six months. I ...

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 ...

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 ...