You may not realize it until you've listened to one for 19 hours straight, but a 3D printer can be noisy. Much like the dot matrix printers of old, 3D printers have mechanisms that move, squeak, ...

Whether they’re feeding paper, moving print arms, heating toner, or spraying ink, printers are highly mechanical devices that create noise. But the last thing anyone needs is to have a loud printer ...

To the average visitor to the RapidTech prototyping center at University of California, Irvine, the methodical buzz of its 3-D printers would be nothing more than background noise. But to Mohammad Al ...