Here is something you can add to your wish list of gifts, but not for this holiday season. According to a brief article from New Scientist, Japanese researchers from Keio University have made a chameleon scarf which changes color according with what you wear. Put a green jacket, and the scarf will turn green. Add a blue coat, and the shawl will glow blue. This chameleon scarf incorporates optical fibers and light-emitting diodes (LEDs) able to render more than 4,000 colors. So far, this scarf has only been demonstrated at computer fashion shows, so don't rush to your shopping mall to grab one. This overview contains many other details, pictures and references.
Sources: Will Knight, New Scientist, December 9, 2005; and various web sites
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