That’s where 3-2-1 configurations come into the picture, where you keep three copies of data on two separate machines, with ...

Coins that have mistakes or unusual features can sometimes turn into highly valuable treasures. Over the years, I’ve come across stories of collectors who discovered error coins that sold for millions ...

This concludes Part 2 of the coolest paper money errors known. In the December 2025 issue, I will showcase additional paper ...