Did you know that Photoshop has built-in mechanisms that prevent you from editing photos of banknotes? After getting a payday, Reddit user tarballdotgz tried to Photoshop some of his hundred dollar bills, but ran into the above error in Photoshop. Even if you find a way to edit the images in Photoshop, there’s a good chance your printer will give you a similar error if you try to print the image out!

TIL that Photoshop doesn’t let you edit photos of currency [Reddit]

Update: Another interesting fact: apparently one mechanism used to do this is something called the “EURion constellation“, a specific pattern built into banknotes worldwide. (Thx David!)

We shared a video of Canon’s Image Stabilization technology in action in the beginning of the year, but that was on a pro telephoto lens and inside a glass display case. What would the same technology look like in a cheaper, consumer lens? Preston over at Camera Technica decided to find out, disassembling a Canon 18-55mm kit lens to capture this short video of the IS mechanism in action. I had no idea the thing used springs, did you?

The Science of Image Stabilization Technology [Camera Technica]