Democratic lawmakers and gun safety advocates are pushing for a policy that would prevent the manufacture of untraceable 3D-printed firearms, including "Glock switches", by requiring 3D printers sold ...

The Village Voice reviews the "The Second Printing Revolution: Invention of Mass Media," a fascinating exhibition at the Grolier Club.

Researchers examined the idea of using robotic arms for 3D food printing and what it would really take to automate kitchens.