In this quick science demo, I show how a simple 9 volt battery and a pad of steel wool can create sparks and fire when the circuit is completed. I start with safety glasses on and hair pulled back, ...

Before the age of lithium batteries, any project needing to carry its own power had to rely on batteries that were much less energy-dense and affordable. In many ways, we take modern lithium ...

A YouTuber known for building enormous lasers and experimenting with high-voltage equipment has returned with a long-teased project: wiring 400 car batteries together to explore what happens when ...

Andy is a seasoned technology journalist with more than 15 years experience in the mobile industry, writing for Digital Trends, Wired, and more. Andy has reviewed hundreds of smartphones and tablets, ...

Earlier this year Donut Lab caused quite the furore when they unveiled what they claimed was the world’s first production-ready solid state battery, featuring some pretty stellar specifications. Since ...

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Improving energy storage is key to the renewable grid. Here’s how CU Engineering is getting us there. CU Engineering researchers are working to solve one of the biggest challenges facing renewable ...

A recent Stanford study shows that EV batteries benefit from "dynamic" driving. This means that the occasional spirited driving could actually help keep your battery feeling young. Dynamically-cycled ...