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The skin depth is the distance which the wave can travel before its amplitude reduces by that same factor. The absorption coefficient is related to the penetration depth and skin depth by α = 1 / δ p e n = 2 / δ s k i n . {\displaystyle \alpha =1/\delta _{\mathrm {pen} }=2/\delta _{\mathrm {skin} }.}
In an evolved star with a pure helium atmosphere, the electric field would have to lift a helium nucleus (an alpha particle), with nearly 4 times the mass of a proton, while the radiation pressure would act on 2 free electrons. Thus twice the usual Eddington luminosity would be needed to drive off an atmosphere of pure helium.
Large laser elements made from transparent ceramics can be produced at a relatively low cost. These components are free of internal stress or intrinsic birefringence, and allow relatively large doping levels or optimized custom-designed doping profiles. This makes ceramic laser elements particularly important for high-energy lasers.
The Nicaraguan slider has a carapace with many circular markings on it, and in the middle of each marking, there is a dark spot. The main color of the carapace and the turtle's skin is olive green to dark brown. It also has yellow markings on it as well. The supratemporal markings can be orange, pink, or yellow.
Sliders is an American science fiction and fantasy television series created by Robert K. Weiss and Tracy Tormé.It was broadcast for five seasons between 1995 and 2000. The series follows a group of travelers as they use a wormhole to "slide" between parallel universes.
The sliders land in a barren wasteland with bizarre electrical activity that attracts tornadoes. They are confronted by a community that are opposed to any form of technology, who are similar to Amish people. The chief discovers the Sliders' timer and he decides to keep Wade as hostage; while exiling Quinn, Arturo and Rembrandt.