Deep discharge, heat and a bad charger all break down a battery's electrolyte into trapped gas. Here's the actual chemistry, the real fire risk it creates, and how to stop it in a device sitting in a drawer.

True wireless earbuds run two separate Bluetooth connections, not one, and the link between the two buds is the fragile half. Here's the actual engineering reason one earbud drops before the other, and what fixes it.

A powered-down phone isn't on pause. Self-discharge, a clock circuit, and a storage habit worth breaking all quietly chip away at its charge.

Battery Health isn't a bug or bad luck, it's chemistry. Here's what actually degrades a lithium-ion cell, and which habits genuinely speed it up.

The chime you did not ask for has a cause, and it is usually a hearing-safety feature that needs a listening mode switched on to work at all.

The hardest frauds to stop are the ones the victim authorises. Apple's new iOS 27 framework watches the behaviour, not just the password.

A 20-minute trading halt in Seoul, Apple down 6% in New York, and a wobble under the AI trade that has carried Asian markets all year.

The company that built the most profitable supply chain in technology says it can no longer shield buyers from soaring memory prices.