11+ Optical Illusion Thatcher Effect Pics. The second thing that comes to a surprise is that at first glance, nothing seems strange. Some researchers have also found a much more gradual rotation effect.

Thatcher Effect Optical Illusion from www.moillusions.com

If you keep your eyes fixated on the cross, you can see a very compelling colour after effect: Optical illusions and eye tricks are pictures, sculptures, and sometimes even words that are made to try to trick your brain into seeing something. The visual system is not very good at being a.

That's why optical illusions are so fascinating, because it shows that we can't even trust our eyes when 2.

Sign up for free today! The illusion is strongest for some people if you don't look at the feet directly. Browse our online educational games, classroom resources and lesson activities for interactive whiteboards and data projectors. Take a look at this amazing disappearing black dots illusion illusion.