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Optical Illusion: Growing and Shrinking Cigarettes

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Uploaded on Oct 6, 2011

In this amazing optical illusion, watch what happens with the size of the cigarettes. The background drawing is what really tricks us here. The white wall with the grid lines plays a big part in causing us to subconsciously think that we are seeing a 3 dimensional scene instead of 2 dimensional. Our eyes and brains have naturally been trained to pick up visual cues and define dimensional planes of what we are viewing. The 2 "horizontal" lines in the middle of that white wall start to converge as they "go" from the left cigarette to the right cigarette. This tricks our visual systems and creates the optical illusion that the cigarette on the right is much bigger. So, the optical illusion is created by the way our visual systems interpret the surrounding drawing and not by the cigarettes themselves. Our sense of dimensions, depth, and actual sizes are easily fooled!
MUSIC: http://www.soundsnap.com/node/108996

Optical Illusions, magic tricks and science channel: http://www.youtube.com/user/greeenpro...
“Optical illusion” is also known as 目の錯覚 , 錯視 , 錯覚 , 目の錯覚 , ilusión óptica , optische Täuschung , illusion d'optique , le effet d'optique , ilusão de ótica , illusione ottica , оптическая иллюзия , обман зрения , 光学错觉 , 光學錯覺 , 착시

Thanks for watching greeenpro2009 optical illusions, magic tricks and science videos! Please also check out these amazing optical illusions videos, magic tricks videos and science videos from my channel:

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Optical Illusion: Crazy Diamonds and Cubes :
http://www.youtube.com/watch?v=WXkrNT...

Check out my science and optical illusions channel at http://www.youtube.com/user/greeenpro...
"amazing optical illusions" science channel

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