diverging
31Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra …
32Zoom lens — Nikkor 28 200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right A zoom lens is a mechanical assembly of lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed… …
33Norwegian railway signalling — The signalling system used on the rail transport in Norway is regulated by the Regulations of December 4, 2001 no. 1336 about signals and signs on the state s railway network and connected private tracks. The first signalling system on the… …
34plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …
35negative lens — noun : diverging lens * * * Optics. See diverging lens. * * * negative lens, = diverging lens. (Cf. ↑diverging lens) …
36Khoisan — Infobox Ethnic group group=Khoisan poptime= popplace=Southern Africa rels=Animist, Muslim [http://www.islamonline.net/English/News/2006 06/01/02.shtml] langs=Khoisan languages related=perhaps SandaweKhoisan (increasingly commonly spelled Khoesan… …
37Michigan left — For the Arkells album, see Michigan Left (album). Stylized depiction of the design in Grand Haven, Michigan, at US 31 and Robbins Road (north to the right), showing the additional area necessary to make a turn on a narrow median …
38Anti-gravity — Antigrav redirects here. For the EyeToy video game, see EyeToy: AntiGrav. Anti gravity is the idea of creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free… …
39Flying junction — A flying junction is a railway junction at which one or more diverging or converging tracks in a multiple track route cross other tracks on the route by bridge to avoid conflict with other train movements. A more technical term is grade separated …
40Missouri Route 13 — MO 13 redirects here. MO 13 may also refer to Missouri s 13th congressional district. Route 13 Route …
