The most depraved type of human being is the man without a purpose.
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The Supremes ... Radio ... Tracks
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Oil/water/surfactant mixture
(400x)
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"Rotating double-square turtles"
Purple or yellow elements in each double-square are aligned along squares, but the alignment appears to be distorted by the illusion of fringed edges (Kitaoka et al., 2004). In addition, the double-squares appear to move.
Copyright Akiyoshi Kitaoka 2006 (June 19)
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