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Seeing is not believing
- Subject: [web-heads] Seeing is not believing
- From: Spafford Gene <spaf@xxxxxxxxxxxxxxxxx>
- Date: Fri, 26 Aug 2005 23:20:07 -0500
eChalk colour perception: This is the most amazing optical effect in
the world
<http://www.echalk.co.uk/amusements/OpticalIllusions/colourPerception/
colourPerception.html>
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