Seems wasteful, doesn't it? If you're like me, every time you pop the batteries out of a remote, gamepad, or flashlight and have to throw them in the trash (or recycle them), there's the faintest ...

Weizmann researchers untangle the tiny strands of lithium that develop inside rechargeable batteries, limit their use and pose a serious fire hazard When we plug in our cell phones to charge them, we ...