If you read about Hall effect sensors — the usual way to detect and measure magnetic fields these days — it sounds ...

More than 200 years ago, Count Rumford showed that heat isn’t a mysterious substance but something you can generate endlessly ...

Using ultracold atoms and laser light, researchers recreated the behavior of a Josephson junction—an essential component of ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

On December 22, 1882, a new kind of holiday magic flickered to life, forever changing how we celebrate Christmas. That day, Edward H. Johnson, an inventor … ...