Description
"Information? Whose information? Information about what?" – John S. Bell, "Against 'Measurement'", Physical World (August 1990).
"The best book on programming for the layman is Alice in Wonderland, but that's because it's the best book on anything for the layman." – Alan Perlis, "Epigrams on Programming", ACM SIGPLAN Notices 17 (9), September 1982, pp. 7–13.
"Caustics are the brightest places in an optical field. They are the singularities of geometrical optics. The most familiar caustic is the rainbow, a grossly distorted image of the Sun in the form of a giant arc in the skyspace of directions, formed by the angular focusing of sunlight that has been twice refracted and once reflected in…
Full description on the Flickr photo page.