Portable chargers are supposed to be the quiet workhorses in your bag, not a source of fire risk on your desk or nightstand.

Pull any bill out of your wallet. See the dark green numbers on the top-left and top-right corners? Those are serial numbers, and some are more rare than others. If you happen to have paper money with ...

There are all kinds of reasons why you might want to check out your PC's serial number. You might need to provide it to your employer, or you might want to check it while troubleshooting technical ...