US researchers have successfully used Power-over-Skin technology to power small wearable devices. Instead of a battery they ...

Flip the AirTag so the silver side with the Apple logo is facing you. Use your fingertips to press down and rotate the silver piece about a quarter turn counterclockwise. The silver lid should ...

Or, if your Apple Watch is no longer under warranty, you can participate in a trade-in program, pay for the battery replacement out-of-pocket, or sell the broken Apple Watch for parts.