Electrical problems can be some of the most frustrating issues an e-bike owner faces. Your bike might randomly lose power, ...

A flexible battery powered by humid air can run wearables without toxic metals, and one version self-destructs when tampered with.

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Have an old Apple display that still works? Even with the latest Thunderbolt 5-equipped M4 Pro Macs, you can still plug it in—with the right connectors—and put it to use. You might find the resolution ...

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

Researchers developed a transparent smart contact lens that uses gold nanoparticle-embedded PEDOT:PSS nanowires to improve ...

If you were to ask your colleagues, “Who was Paul Revere?” most would probably know the answer. He was, after all, immortalized in the Longfellow poem that begins, “Listen, my children, and you shall ...