Оptical illusion 42

Our brain is an amazing thing. He knows himself to finish the reality. Even where in fact it is not. Optical illusion - the impression of a visible object or phenomenon, non-reality, ie optical illusion. In Latin the word "illusion" means "error, error". This suggests that the illusion has long been interpreted as some failures in the functioning of the visual system. The study of their causes have been studied by many researchers. Some visual deceptions have long had a scientific explanation, others are still not explained. It contains the best optical illusions and you are encouraged to ensure that human perception is incredible!
Be careful! Some illusions can cause tearing, headache, and disorientation in space.

Illusion bars

Take a look at these bars. Depending on which end you see two pieces of wood or will be near, or one of them will lie on the other.
Broken diagonal
In fact, the diagonal straight.

Eclipse Triton
This effect is called "Eclipse of Triton". Concentrate the gaze on the white dot inside the circle. Eyes distance from the monitor should be about twenty centimeters. The longer you look, the better. Then start to deviate from the monitor ago. Around the circle will appear to glow.

Curves circles
Both circles perfectly smooth. This illusion is due to the ability of our brain to visualize three-dimensional objects. Step away from the screen and look again.

Shimmering effect
Yeah, but look at left and look at him for 30 seconds. Then move eyes to the right picture. First it will disappear, merging into a grey background, and then you will see a shimmering effect. Move your head, the effect will increase.

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source: http://ucrazy.ru/interesting/1433187721-samye-interesnye-opticheskie-illyuzii-lomayuschie-mozg-luchshee.html