The chemistry that can provide power from metals makes those metals degrade over time and there's not much we can do about it.

At the heart of all lithium-ion batteries is a simple reaction: Lithium ions dissolved in an electrolyte solution "intercalate" or insert themselves into a solid electrode during battery discharge.

Lithium intercalation is the process by which lithium ions insert themselves into the solid electrode of a lithium-ion battery. MIT researchers have shown that as lithium ions (green) move from an ...

Explore the fascinating world of science with our latest experiment where we demonstrate how to generate 130 volts from a simple 3-volt battery. In this video, you'll learn the step-by-step process to ...

Amazfit's Helio Strap looks like a Whoop and has similar sensors as a Whoop, for a fraction of the price—and no subscription. But does it really do everything Whoop does?

The 2025 Ryder Cup is finally here. A dozen of the best American golfers will square off against their European counterparts this weekend at Bethpage Black in New York in the iconic match play ...

As rumored, Apple brought back its MagSafe Battery, but the only iPhone it works with is the new iPhone Air. However, Apple says it does have another feature that could come in handy. The new iPhone ...

It can be a stressful process to take your electronics through the Transportation Security Administration (TSA) checkpoints at the airport. The TSA has a lot of specific electronics rules, including ...

Looking for a new MagSafe battery to power your pre-ordered iPhone 17? You might be out of luck if you were eyeing Apple's latest offering. Apple's newly released MagSafe battery pack comes with a big ...

The best earbuds are comfortable to wear for long periods of time, have multiple sound modes, and long-lasting battery. Here are our top tested picks.

We interviewed Lego designers Carl Merriam and Simon Kent to unearth some of the brick Game Boy’s Easter eggs.