moves 180 degrees
21photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …
22MicroWorlds — Logo MicroWorlds is a program that uses the Logo programming language, a dialect of Lisp programming language. It uses a turtle object which can be moved around, given commands, and eventually make shapes or even an animation. It is part of a… …
23Marching band — For the Swedish band, see Marching Band (band). Goin Band from Raiderland, a college marching band in the United States Video of the Tennessee Volunteers Pride of …
24Stairway — Stairs redirects here. For other uses, see Stairs (disambiguation). Staircase redirects here. For other uses, see Staircase (disambiguation). This article is about the construction. For the song by Led Zeppelin, see Stairway to Heaven. Stairways… …
25Kikuchi line — s, they are easily seen in diffraction from regions of the specimen thick enough for multiple scattering [David B. Williams and C. Barry Carter (1996) Transmission electron microscopy: A textbook for materials science (Plenum Press, NY) ISBN 0… …
26Canter — The canter is a controlled, three beat gait performed by a horse. It is a natural gait possessed by all horses, faster than most horses trot but slower than the gallop, and is used by all riders. The speed of the canter varies between 16 27 km/h… …
27List of Pokémon (152–201) — Contents 1 Chikorita 2 Bayleef 3 Meganium 4 Cyndaquil …
28Computed tomography — tomos (slice) and graphein (to write).Computed tomography was originally known as the EMI scan as it was developed at a research branch of EMI, a company best known today for its music and recording business. It was later known as computed axial… …
29Flip tricks (skateboarding) — A flip trick is a type of skateboarding trick in which the skateboard flips in a particular way. In many tricks, the skateboard flips upside down and/or end over end. Many tricks can be combined to form more complex flip tricks. Flip tricks are… …
30Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …
