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In condensed matter physics, a spin glass is a magnetic state characterized by randomness, besides cooperative behavior in freezing of spins at a temperature called "freezing temperature" Tf. [1] In ferromagnetic solids, component atoms' magnetic spins all align in the same direction. Spin glass when contrasted with a ferromagnet is defined as ...
Berlin Wall. Coordinates: 52°30′16″N 13°26′28″E. The Berlin Wall. From the West Berlin side, Berlin Wall graffiti art in 1986. The Wall's "death strip", on the east side of the Wall, here follows the curve of the Luisenstadt Canal (filled in 1932). The Wall and its checkpoints.
- 13 August 1961
- Wall
- 155 km (96.3 mi)
- 9 November 1989 – 1994
Heaven's Gate was an American new religious movement known primarily for the mass suicides committed by its members in 1997. Commonly designated a cult, it was founded in 1974 and led by Bonnie Nettles (1927–1985) and Marshall Applewhite (1931–1997), known within the movement as Ti and Do, respectively. Nettles and Applewhite first met in ...
Vacuum permittivity, commonly denoted ε0 (pronounced "epsilon nought" or "epsilon zero"), is the value of the absolute dielectric permittivity of classical vacuum. It may also be referred to as the permittivity of free space, the electric constant, or the distributed capacitance of the vacuum. It is an ideal (baseline) physical constant.
Himeji Castle (姫路城, Himeji-jō) ( [çimeʑiꜜʑoː] ⓘ) is a hilltop Japanese castle complex situated in Himeji, a city in the Hyōgo Prefecture of Japan. The castle is regarded as the finest surviving example of prototypical Japanese castle architecture, comprising a network of 83 rooms with advanced defensive systems from the feudal ...
e. Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Common phenomena are related to electricity, including lightning, static electricity ...
Transformer. An O-core transformer consisting of two coils of copper wire wrapped around a magnetic core. In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits. A varying current in any coil of the transformer produces a varying ...
