PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY PHILIPPE PSAILA / SCIENCE PHOTO LIBRARY
Fibre optics cable. Worker guiding the coiling of a fibre optics cable. Many kilometres of cable are being wound up here in the hold of a boat, ready for underwater deployment to enable long-distance communications across oceans. Fibre optics cables use total internal reflection of light to transmit information. This cable-laying operation is being carried out by the French company Alcatel.
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