Optical illusions are amazing pictures that trick the human eye into seeing something which is not real. These cool illusions can be fun, but they are also a great way to learn more about the brain and perception. Here are some of the greatest optical illusions to challenge your mind. Are you ready?
10. Rabbit – Duck illusion
This is an ambiguous image in which you can see either a rabbit or a duck at a time. Earliest known drawing of this image is from German humor magazine “Fliegende Blätter” 23 October 1892 issue.
9. Rotating Snake illusion
This is an interesting illusion because if you are seeing one circle it seems completely stationary while others around will appear to rotate. This illusion was invented by Akiyoshi Kitaoka of Ritsumeikan University of Japan in 2003.
8. Impossible Triangle illusion
In this illusion, you are seeing that all of triangle’s corners are touching each other however, this is only a trick of camera which results in creating this wonderful illusion.
7. Twisted Cord Illusion
This is also known as the false spiral or Fraser Spiral illusion. In this case, overlapping of black segments appears to form a group of spiral, but in reality the arcs are a group of concentric circles which results in this interesting creation.
6. Real Drawings of Impossible Situations
These are always impossible in the real world and are very cool to observe and wonder.
5. Albert Einstein Optical Illusion
This one is very interesting, because when you will go away from the computer screen, the Albert Einstein image will be magically changed to Marilyn Monroe.
4. Table Tops Optical Illusion
In this wonder illusion, the two Table Tops assume to be in different shape and size but believe it or not they are of same shape and size. This illusion was created by psychologist Roger Shepard of Stanford University.
3. Checker Shadow Illusion
In this amazing illusion tile A & B are exactly the same colors of grey. On tile B, the green cylinder is doing the trick. The checker shadow illusion was created by Edward Adelson, Professor at Massachusetts Institute of Technology in 1995.
2. Cafe Wall Illusion
This illusion was first observed by Gregory and Heard in 1979 on the wall decoration of a café in Bristol, England. The horizontal lines in this picture appear to be sloping, but in reality they’re parallel to each another.
1. Scintillating Grid Illusion
Here is the illusion on number one in our list of greatest optical illusions of all time. When you are seeing the above image, dark dots in it quickly appear and disappear at the intersections. However, whenever you look directly on any intersection, the dark dots are nowhere.