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Brief Communications

Nature 424, 899-900 (21 August 2003) | doi:10.1038/424899a

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Fibre-optical features of a glass sponge

Vikram C. Sundar1, Andrew D. Yablon2, John L. Grazul1, Micha Ilan3 & Joanna Aizenberg1

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Some superior technological secrets have come to light from a deep-sea organism.

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Modern technology cannot yet compete with some of the sophisticated optical systems possessed by biological organisms1, 2, 3. Here we show that the spicules of the deep-sea 'glass' sponge Euplectella have remarkable fibre-optical properties, which are surprisingly similar to those of commercial telecommunication fibres — except that the spicules themselves are formed under normal ambient conditions and have some technological advantages over man-made versions.