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Researchers found that cold is detected differently in the skin than in internal organs. This split system helps explain why cold air, cold drinks, and cold surfaces create very different sensations.

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

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

Now there’s a new breed of wearables—built for your head. Instead of tracking your step count, heart rate, and skin ...