Don't believe it? Try opening up the image in Paint or another image editor and put the 2 tiles side by side.
Did you study geometry in High School? How is this possible?
Another illusion to make your eyes bug out of your head. The square moves!
These lines are straight as an arrow.
Stare at this image close up for 60 seconds then lean back and close your eyes. You will see an image of Jesus. This one is freaky.
I bet you get this one wrong!
Another geometry optical illusion. This is an impossible triangle - Part 1.
Girl Illusion - Do You Have a Dirty Mind?
Slowly move away from the screen. Does anything happen?