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Schematic of the Birkeland or Field-Aligned Currents and the ionospheric current systems they connect to, Pedersen and Hall currents. [1]A Birkeland current (also known as field-aligned current, FAC) is a set of electrical currents that flow along geomagnetic field lines connecting the Earth's magnetosphere to the Earth's high latitude ionosphere.
In the height region between about 85 and 200 km altitude on Earth, the ionospheric plasma is electrically conducting. Atmospheric tidal winds due to differential solar heating or due to gravitational lunar forcing move the ionospheric plasma against the geomagnetic field lines thus generating electric fields and currents just like a dynamo coil moving against magnetic field lines.
Model Products Corporation, usually known by its acronym, MPC, is an American brand and former manufacturing company of plastic scale model kits and pre-assembled promotional models of cars that were popular in the 1960s and 1970s. MPC's main competition was model kits made by AMT, Jo-Han, Revell, and Monogram.
The impact of the solar wind onto the magnetosphere generates an electric field within the inner magnetosphere (r < 10 a; with a the Earth's radius) - the convection field. [1] Its general direction is from dawn to dusk. The co-rotating thermal plasma within the inner magnetosphere drifts orthogonal to that field and to the geomagnetic field B o.
High Planes Models (Australia/Singapore) - Australian Company moved to Singapore after sale. Aircraft kits and accessories. JAYS Model Kits [9] (New Zealand) Aircraft Kits mostly formerly Ventura. Kiwi Wings [9] (New Zealand) - Aircraft Kits part of JAYS Model Kits; Kora Models (Czech Republic) Legato [5] (Czech Republic) - brand of AZ Model ...
Aluminum Model Toys (AMT) is an American brand of scale model vehicles. The former manufacturing company was founded in Troy, Michigan, in 1948 by West Gallogly Sr. AMT became known for producing 1:25 scale plastic automobile dealer promotional model cars and friction motor models, and pioneered the annual 3-in-1 model kit buildable in stock, custom, or hot-rod versions.
Perhaps because of the complexity of casting a metal model, Hubley's range of marques for the kits was not that wide – basically a 1:20 scale range of Ford Model As and 1932 Chevrolets, a 1:22 scale range of Packards, and two 1:18 scale Duesenbergs. The small range was made up for, though, in the number of variations for each car model.
A thermal switch (sometimes thermal reset or thermal cutout (TCO)) is a device which normally opens at a high temperature (often with a faint "plink" sound) and re-closes when the temperature drops. The thermal switch may be a bimetallic strip , often encased in a tubular glass bulb to protect it from dust or short circuit .