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The Appleton–Hartree equation, sometimes also referred to as the Appleton–Lassen equation, is a mathematical expression that describes the refractive index for electromagnetic wave propagation in a cold magnetized plasma. The Appleton–Hartree equation was developed independently by several different scientists, including Edward Victor ...
Edward Victor Appleton. Sir Edward Victor Appleton GBE KCB FRS [1] (6 September 1892 – 21 April 1965) was an English physicist, [2][3] Nobel Prize winner (1947) and pioneer in radiophysics. He was awarded the Nobel Prize in Physics "for his investigations of the physics of the upper atmosphere especially for the discovery of the so-called ...
The original Wave Hill House was a gray fieldstone mansion built in 1843 by lawyer William Lewis Morris. [2] It was owned from 1866 to 1903 by publisher William Henry Appleton, who enlarged the house in between 1866 and 1869 and again in 1890, and added greenhouses and gardens to the grounds. [2]
In order to solve the equation of an electron in a spherical potential, Hartree first introduced atomic units to eliminate physical constants. Then he converted the Laplacian from Cartesian to spherical coordinates to show that the solution was a product of a radial function () / and a spherical harmonic with an angular quantum number , namely = (/) (,).
Call sign Frequency City of license [1] [2] Licensee Format [3]; KDKE: 102.5 FM: Superior: Midwest Communications, Inc. Classic Country KFIZ: 1450 AM: Fond du Lac: RBH Enterprises, Inc.
Layers of the ionosphere.The Kennelly–Heaviside layer is the E region. The Heaviside layer, [1] [2] sometimes called the Kennelly–Heaviside layer, [3] [4] named after Arthur E. Kennelly and Oliver Heaviside, is a layer of ionised gas occurring roughly between 90km and 150 km (56 and 93 mi) above the ground — one of several layers in the Earth's ionosphere.
Ionosphere. The ionosphere (/ aɪˈɒnəˌsfɪər /) [1][2] is the ionized part of the upper atmosphere of Earth, from about 48 km (30 mi) to 965 km (600 mi) above sea level, [3] a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation.
Appleton, Wisconsin. Appleton (Menominee: Ahkōnemeh) is a city in and the county seat of Outagamie County, Wisconsin, United States. A small portion of the city also extends into Calumet and Winnebago counties. It is situated on the Fox River, 30 miles (48 km) southwest of Green Bay and 100 miles (160 km) north of Milwaukee.