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 ...

Augmented-reality (AR) technology is rapidly finding its way into everyday life, from education and health care to gaming and entertainment. However, the core AR device remains bulky and heavy, making ...

Printed circuit boards were once so simple. One or two layers of copper etched on a rectangular fiberglass substrate, with a few holes drilled in key locations so components could be soldered into ...