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

Carbon monoxide detectors can emit various types of beeps. Some are relatively innocuous, while others are high-priority alerts that you should not ignore.

Last Updated on July 1, 2026 by Kristina If your e-bike suddenly displays an error code, don’t panic. In many cases, the problem is something simple, like a loose connector, a brake sensor that’s ...