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 Can anyone explain this optical illusion?
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Ricky
SFN Die Hard

USA
4907 Posts

Posted - 12/03/2005 :  21:13:47  Show Profile  Send Ricky an AOL message Send Ricky a Private Message
http://www.ebaumsworld.com/chickormonster.html

You have to stand a good 5-10 feet back to get the effect.

Why continue? Because we must. Because we have the call. Because it is nobler to fight for rationality without winning than to give up in the face of continued defeats. Because whatever true progress humanity makes is through the rationality of the occasional individual and because any one individual we may win for the cause may do more for humanity than a hundred thousand who hug their superstitions to their breast.
- Isaac Asimov

Edited by - Ricky on 12/04/2005 00:16:12

Espritch
Skeptic Friend

USA
284 Posts

Posted - 12/03/2005 :  21:29:44   [Permalink]  Show Profile  Visit Espritch's Homepage Send Espritch a Private Message
They have outlined the ugly face over the pretty one. As you get farther back you can't make out the lines, just the general features of the pretty face. In other words, at a distance some of the visual cues are lost and the brain constructs a different image based on those that are still visible.

Neat trick, though.
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furshur
SFN Regular

USA
1536 Posts

Posted - 12/09/2005 :  21:09:01   [Permalink]  Show Profile Send furshur a Private Message
Whoa, that is pretty cool.

If I knew then what I know now then I would know more now than I know.
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