position sensing apparatus
71Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …
72Dinosaur vision — Troodon had the best sense of vision among all dinosaurs Dinosaurs, among reptiles, have the best vision. Large carnosaurs rarely had well developed optic lobe. Coelurosaurs, on the other hand, had good stereoscopic or binocular vision. Contents …
73MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …
74Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
75Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… …
76Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
77Arthropod eye — Anatomy of the compound eye of an insect The arthropods ancestrally possessed compound eyes, but the type and origin of this eye varies between groups, and some taxa have secondarily developed simple eyes. The organ s development through the… …
78Washington — /wosh ing teuhn, waw shing /, n. 1. Booker T(aliaferro) /book euhr tol euh veuhr/, 1856 1915, U.S. reformer, educator, author, and lecturer. 2. George, 1732 99, U.S. general and political leader: 1st president of the U.S. 1789 97. 3. Martha… …
79Simple eye in invertebrates — For eye like markings, see eyespot (mimicry). Ocellus redirects here. For the Celtic god, see Ocelus. Head of Polistes A simple eye (sometimes called a pigment pit[1] …
80Mirror — looking glass redirects here. For other uses, see Looking Glass (disambiguation). This article is about wave reflectors (mainly, specular reflection of visible light). For other uses, see Mirror (disambiguation). A mirror, reflecting a vase A… …
