Researchers have developed the world’s first flow battery powered by glucose and vitamin B2, mimicking the human body’s ...

Switching to a cordless drill can be beneficial, but it needs good battery life. Consumer Reports claims this Harbor Freight ...

Other projects made possible by EPB this year include contributing to the network of charging stations for Electric Vehicles every 50 miles along Interstates. With the help of a state grant and TVA, a ...

Switching power supplies are familiar to Hackaday readers, whether they have a fairly conventional transformer, are a buck, a ...

You’ve got a laser cutter. You’ve got a 3D printer. What do you make? [Ayushmaan45] suggests a telescope. The modest instrument isn’t going to do serious astronomy with only 8X ...

While most battery startups chase lithium, a new Seattle startup called Emerald Battery is betting on an abundant alternative: sodium.

Researchers discovered how to stabilize a high-performance sodium compound, giving sodium-based solid-state batteries the ...

A Bay Area startup has turned on the world’s largest industrial heat battery.