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 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 ...

Serial numbers are a frequently used method of tagging and identifying objects that would be otherwise indistinguishable, and are used for everything from firearms to keys, and from passports to ...