depth stability
111Magnetic levitation — This article is about magnetic levitation. For trains based on this effect, see Maglev. For the Ruby interpreter, see MagLev (Ruby interpreter). Levitating pyrolytic carbon Magnetic levitation, maglev, or magnetic suspension is a method by which… …
112Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… …
113British World War II destroyers — At the start of World War II, the Royal Navy operated a range of destroyer classes. Some of these were legacies of World War I (including those acquired from the United States), some were designed during the inter war years and the rest were the… …
114Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
115Ringwoodite — is a high pressure polymorph of olivine, and it is stable at high temperatures and pressures like those in the Earth s mantle near 600 km depth. This mineral was first identified in the Tenham Meteorites in 1969, and it is inferred to be present… …
116Subprime mortgage crisis — Part of a series on: Late 2000s financial crisis Major dimensions …
1173D optical data storage — is the term given to any form of optical data storage in which information can be recorded and/or read with three dimensional resolution (as opposed to the two dimensional resolution afforded, for example, by CD). [ Three Dimensional Optical Data …
118Dentures — Intervention MeSH D003778 …
119Orr–Sommerfeld equation — The Orr–Sommerfeld equation, in fluid dynamics, is an eigenvalue equation describing the linear two dimensional modes of disturbance to a viscous parallel flow. The solution to the Navier–Stokes equations for a parallel, laminar flow can become… …
120art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
