5 Crazy Optical Illusions
The mind can play tricks on us, and this particularly evident when viewing optical illusions. Take a look at these five, and then read on to see why optical illusions have anything to do with being skeptical... Click on the images to see larger versions.
Spinning circles...
Spinning circles...
Imaginary rotation...
So why are optical illusions important? Because they teach us that even the most critical of minds can be fooled. Verify the images above - they are static JPEGs (and a PNG) - there's no animation going on, but in all cases, most people will see circles rotating, dots moving, or waves rolling. It's very easy to see things that aren't really there.
I was originally going to explain how these illusions work, Michael Bach has done a fantastic job already. Visit his site to view many more.
Another great site is VisualIllusion.net, where they provide a free eBook to explain the scientific explanation for optical illusions.
For more optical illusions, visit: http://therelativelyinterestingblog.blogspot.com/2010/03/5-more-crazy-optical-illusions.html
Finally, check out this video...
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