For nearly two centuries, scientists have wondered if Earth’s rotation through its magnetic field could produce electricity.

Evaluation of lithium-ion batteries with different structures using magnetic field measurement for onboard battery identification. Green Energy Intelligent Transport. 2025:100257. doi: 10.1016/j.geits ...

How the universe got its large magnetic fields has remained one of the stickiest outstanding problems in astrophysics. Now, researchers have proposed a novel solution: a giant "dust battery ...

but it seems clear that his motor will likely outlive any chemical battery used to power it. Whatever the numbers are, we like the styling of the thing, and the magnetic bearings are cool too.

Ultimate Summary: OnePlus has finally released its Slim Magnetic Battery Pack. It’s available today for $70, and can be bundled with the OnePlus 13 for some sweet discounts. One of the most ...

Slip rings maintain constant contact with the same sides of the coil As one side of the coil moves up through the magnetic field, a potential difference is induced (created) in one direction.