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Plasma globe. A plasma ball with filaments extending between the inner and outer spheres. A plasma ball, plasma globe, or plasma lamp is a clear glass container filled with noble gases, usually a mixture of neon, krypton, and xenon, that has a high-voltage electrode in the center of the container. When voltage is applied, a plasma is formed ...
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
Light fixture. A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.
Suspended nanoparticles in stained-glass prevent UV rays from causing chemical reactions that change image colors. [citation needed] A set of stained-glass color-reference chips is planned to be used to calibrate the color cameras for the 2019 ESA Mars rover mission, since they will remain unfaded by the high level of UV present at the surface ...
White Americans of one race (or alone) from 1960 to 2020. Some changes may be due to changing self-identification patterns rather than demographic changes. While non-Hispanic White Americans under 18 in the U.S. are already a minority as of 2020, it is projected that non-Hispanic Whites overall will become a minority within the US by 2045. [35]
Unisphere. / 40.74639°N 73.84500°W / 40.74639; -73.84500. The Unisphere is a spherical stainless steel representation of the Earth at Flushing Meadows–Corona Park in the borough of Queens in New York City, New York, U.S. The globe was designed by Gilmore D. Clarke for the 1964 New York World's Fair. Commissioned to celebrate the ...
Notable works. Organizations and groups. People. Related social movements. See also. v. t. e. In economics and industrial design, planned obsolescence (also called built-in obsolescence or premature obsolescence) is the concept of policies planning or designing a product with an artificially limited useful life or a purposely frail design, so ...
This is called a "globe valve" in engineering and, while it gives a leak-proof seal and good fine adjustment of flow, both the rubber washer and the valve seat are subject to wear (and for the seat, also corrosion) over time, so that eventually no tight seal is formed in the closed position, resulting in a leaking tap. The washer can be ...
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