point outwards
41Consonance and dissonance — For the mental phenomena, see Cognitive dissonance. For the stylistic device often used in poetry, see Literary consonance. In music, a consonance (Latin com , with + sonare, to sound ) is a harmony, chord, or interval considered stable, as… …
42Orbital resonance — For the science fiction novel by John Barnes, see Orbital Resonance (novel). In celestial mechanics, an orbital resonance occurs when two orbiting bodies exert a regular, periodic gravitational influence on each other, usually due to their… …
43Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
44Pontoon bridge — The U.S. 9th Army crosses the Rhine on a temporary steel treadway pontoon bridge, 1945. Carries Pedestrian, automobile, truck Span range Short to long …
45Cobweb model — The cobweb model or cobweb theory is an economic model that explains why prices might be subject to periodic fluctuations in certain types of markets. It describes cyclical supply and demand in a market where the amount produced must be chosen… …
46Great Fire of London — This article is about the Great Fire of 1666. For other great fires in London, see Early fires of London or Second Great Fire of London . The Great Fire of London, a major conflagration that swept through the central parts of London from Sunday,… …
47City of London — Not to be confused with London. City of London The City • Square Mile Aerial view of the City of London …
48Professional wrestling aerial techniques — The Undertaker performing his Old School (arm twist ropewalk chop) maneuver on Heidenreich. Aerial techniques are maneuvers, using the ring and its posts and ropes as aids, used in professional wrestling to show off the speed and agility of a… …
49Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …
50P-nuclei — (p stands for proton rich) are certain proton rich, naturally occurring isotopes of some elements between selenium and mercury which cannot be produced in either s or r process. Contents 1 Definition 2 Origin of the p nuclei …
