Image of an optical fibre showing total internal reflection. Fibre optics can transmit vast amounts of data (as in the Australian National Broadband Network).
Illustration ID: OPTICS-optical-fibre
Russell Kightley
Illustration size: 8.3 Mpixels (23.8 MB uncompressed) - 5000x1666 pixels (16.7x5.6 in / 42.3x14.1 cm at 300 ppi)