A strip of LEDs may be a simple and flexible way to add light to a project, but they don’t always look natural. There is an easy way to make them look better, though: add a diffuser. That’s what [Nate ...

Researchers at Princeton University have developed a 3D printer that can print LEDs in layers -- and it could one day print contact lenses that incorporate heads-up displays. Michelle Starr Science ...

Combining manual and automated techniques, the 3D printing process created a concrete wall from an innovative mortar based on white cement. From a total of 60 individual segments, the wall was built ...