Let’s say you buy a pre-owned or vintage watch and want some more information on when it was made, what it might be worth, etc. The watch’s serial number can, in many cases, help you track down this ...

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

Although most of your paper money won’t be worth more than what it says, there’s a chance it might — even if it’s not decades old — based on the serial number. To find the value, or find out if your ...

Something that's always on the mind of sports card collectors: How rare is my card? While this question is important when determining long-term card values, it’s a much more nuanced discussion than ...

Apple will soon be changing the way serial numbers of Macs and MacBooks are created, with a switch to randomized numbers in early 2021 making it harder to suss out details about a device. Currently, ...

Dates and times are stored as serial numbers in Microsoft Excel, allowing for quick calculations and comparisons. Serial numbers for dates start on January 1, 1900, while times are decimalized ...

Need to figure out your Apple Watch serial number? Follow along for how to find it even if you can’t read the serial number on the watch itself or power on the wearable. Apple has removed serial ...

In an internal memo shared with Apple Authorized Service Providers, Apple has indicated that it plans to update its serial number format to a randomized alphanumeric string for future products ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...