A light wrap?

7:25pm, December 13, 2004

Materials scientists have created fabrics that can both detect light and conduct electricity, suggesting new light-detecting textiles and novel projection screens.

Reporting in the Oct. 14 Nature, Yoel Fink and his colleagues at the Massachusetts Institute of Technology wove fabrics out of hollow fibers 400 to 500 microns in diameter. The fibers consist of a glass core that generates an electric signal when illuminated, a middle layer of four tin wires,

and a polymer envelope. To make the fibers, the researchers created a rod of the materials and then heated and drew it out into thin fibers, bringing the three materials into close contact.

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