Multi-colored 3D printers have come a long way, able to handle projects that would have been impossible a few years ago. Here are the best models for 2026.

Full-color 3D printing at home has long been a wild-eyed dream of consumers and hobbyists alike. Thus far it’s been fun to print out little trinkets in a single color, but to create something more ...

(Nanowerk Spotlight) A new generation of lenses ('metalenses') is starting to replace bulky curved lenses with simple, flat surfaces that use nanostructures to focus light. These flat surfaces ...