Transforming a standard battery into a rechargeable version requires careful modifications and the right components. A lithium battery paired with a voltage regulator ensures a stable power output, ...

I don’t personally have any memories from the 80s of festooning my portable tape players with decals, but Snowsky seems to think this is an important part of the experience — each Retro Nano comes ...

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 ...

Researchers develop a yarn-like battery that operates in seawater, powering LEDs and timers, offering flexible energy ...

This new and portable music player from FiiO is a miniature hi-fi upgrade for laptops and smartphones, all packaged in a ...

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

To show how it works, the researchers created a fishing net from the battery yarn and soaked it in seawater. When charged, ...

Hands can be one of the easiest parts of the body to get cold on those extra chilly winter days. Additionally, if you ...

Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a ...

Researchers report in ACS Applied Materials and Interfaces a yarn-like battery prototype that works when immersed in seawater ...

I wish I had this nasal tool sooner, as I can see why Grownsy’s Electric Nasal Aspirator is considered an essential baby care ...

A $10 discount for MLK Day at Amazon makes these hand warmers a bargain. If you're braving the cold this January, you're ...