You can't see the back of a van Gogh painting at the Met. It's in a frame, against a wall. But the Metropolitan Museum of Art just put high-definition 3D scans of nearly 140 objects online, and now ...

Scientists at Harvard have built a miniature device that can twist and tune light in real time. By rotating two stacked ...

What do puzzles, gymnastics, writing and using maps all have in common? They all rely on people’s ability to visualize objects as they spin, flip or turn in space, without physically moving them. This ...

The ‘Getting Started’ section is like the quick-start guide for a new gadget. It gives you the most important first steps, ...