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 ...

I'm sure you've noticed that you see a notable difference in how well a phone battery holds a charge after a year or so. If you keep a phone long enough, its battery may not even have enough charge to ...

Chances are you've owned a battery-powered device at some point in your life that's let you down. Maybe it was a cordless drill with a sudden lack of torque, or a smartphone that had you reaching for ...

A home battery will ensure you don't lose power during outages, but it has a limited capacity. Is it worth the investment? Here's everything you need to know. Nobody likes dealing with power outages: ...

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, ...