Secret polarized screens

Secret Screens – depolarized LCD monitor


Here we have a monitor, that’s just all white:photo 1
Or is it? When I put a polarizer in front (or wear my polarized sunglasses), it looks like this:photo 2
If we rotate the polarizer 90 degrees, we see the complementary colors:photo 3
This is because we took the monitor apart and pulled off the front polarizer.Here’s a video: