Not all batteries get used all the time. While the AA batteries in your wall clock, home security camera, or TV remote may get a daily workout, other battery-powered items like flashlights, drones, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Anode – Typically made of reactive materials like lithium or zinc, the anode undergoes oxidation, releasing electrons. Cathode – A material capable of accepting electrons, the cathode undergoes ...

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 ...

Why lithium-ion batteries fail us - and the gadgets I'm relying on to protect myself ...