Have you ever tried charging your phone, laptop or headphones and, after a few hours, it still wasn’t charged? The answer is most likely “yes.” You’re then left wondering if there’s something wrong ...

Believe it or not, not all USB ports yield the same amount of power, but here's a $10 gadget that can show you which ones you should use.

Many households notice a small red light blinking on their digital electricity meter and often assume it signals a fault or unusually high billing. In reality, this tiny indicator is a built-in ...