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 ...

Apple is planning to reformat its serial numbers for Macs and MacBook this year. Currently, Macs use the same 12-digit alphanumeric serial codes as other Apple products, but Apple will soon switch ...

The next time you're holding a dollar bill, it might be worth looking further than the big number one - you could get more bang from your buck than you expected. Ordinary low denomination bills are ...

Apple will soon be making a significant change to its serial number format for future products that will see some key information stripped out. In an internal AppleCare email this week, obtained by ...

TODAY marks the launch of the brand new, polymer £50 notes featuring WWII code breaker Alan Turning. If you do receive one it's worth checking the serial number, as rare notes can be worth ...

Workbench offers tips by and for radio broadcast engineers. Cumulus Youngstown Market Engineer Wes Boyd sends a note regarding our picture of the Eimac serial number in the Nov. 23 column. Keeping ...

There are various reasons you might want to find your laptop or computer’s serial number. Some schools ask that you register your laptop for academic use. Workplaces often do the same thing. You may ...

A NEW plastic £50 note featuring the infamous WWII code-breaker Alan Turing on it has been launched into circulation today. But a few of these new notes could be worth far more than their face value - ...

Usually, there’s a 32-bit transponder identification (TID) number and a 64-bit unique identification (UID) number for RFID tag specifications. Which one is unalterable and unique? —Name withheld Not ...