The Spiral Tornado Illusion

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The Spiral Tornado Illusion

The Spiral Tornado Illusion — Look at this spinning tornado for a few minutes and then look away at a strong pattern. Watch the pattern twirl and buzz! This is known as the spiral aftereffect.

Also, check out this larger version. It also works very effectively.

The Spiral Tornado Illusion


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by

John Kremer is the author of 1001 Ways to Market Your Books and webmaster at the BookMarketingBestsellers and BookMarket.com websites.

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