Hand warmers are typically sold as a pair. Just the front of each UT3 Lite heats up, but the back is a magnet so you can ...

Learn the steps to make a rechargeable battery using simple materials and tools. This guide highlights how to assemble and power a 1.5v battery with efficiency. Follow along as the process showcases ...

Ditch the disposable hand warmers and get this rechargeable model which can warm hands for up to eight hours on a single ...

If you're in the dark about which flashlight to add to your EDC kit, the GR35 from Imalent has a lot going for it. Besides ...

Swiss researchers claim to have devised a functional living battery powered by the combined efforts of two types of fungi – ...

The design uses the features of seawater to its advantage by utilizing the sodium, chloride, and sulfate ions as the battery's electrolyte.

A rechargeable lamp is perfect for dark corners, bedside tables and taking outside. Shop the best cordless lamps from Pooky, ...

Most batteries are rigid and incompatible with water. But people work and play in oceans and estuaries, and they could ...