Optical illusions are universally beloved for how they trick our brains and blow our minds. There's a reason we enjoy magic shows and Escher paintings and are mesmerized by fake oases in the desert. We love seeing things that bend our perceptions of reality, and the science behind the magic always proves fascinating as well.
The YouTube channel Curiosity Show explains the science of the illusion and gives a DIY demonstration for making your own Ames window. But wait until the pen gets taped to the window and spun. This is some real-life magic right here. Mind. Blown.
This article originally appeared on 02.21.20