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An incandescent gas mantle, gas mantle or Welsbach mantle is a device for generating incandescent bright white light when heated by a flame. The name refers to its original heat source in gas lights which illuminated the streets of Europe and North America in the late 19th century.
Gas lighting in the historical center of Wrocław, Poland, is manually turned off and on daily.. Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas.
Natural gas pools interpreted as being mantle-derived are the Shengli Field [55] and Songliao Basin, northeastern China. [56] [57] The Chimaera gas seep, near Çıralı, Antalya (southwest Turkey), has been continuously active for millennia and it is known to be the source of the first Olympic fire in the Hellenistic period.
A Clamond basket is a kind of gas mantle, invented in the 1880s by the Parisian Charles Clamond, [1] and which he later patented in the United States. [2] It was the first economically practical gas mantle, since prior mantles had involved expensive materials like platinum and iridium.
Nothing warms up a room like a gas fireplace and stately mantle. These are your best options for a worthwhile investment. Cozy Up at Home With These Gas Fireplaces—An Instant Upgrade for Your Space
Natural thorium decays very slowly compared to many other radioactive materials, and the emitted alpha radiation cannot penetrate human skin. As a result, handling small amounts of thorium, such as those in gas mantles, is considered safe, although the use of such items may pose some risks. [177]
Reicher, a former U.S. assistant secretary of Energy, once worked with Kennedy at the Natural Resources Defense Council, or NRDC, and spent time kayaking with him on rivers in Chile and the U.S.
Earth's mantle is a significant reservoir of carbon. The mantle contains more carbon than the crust, oceans, biosphere, and atmosphere put together. The figure is estimated to be very roughly 10 22 kg. [2] Carbon concentration in the mantle is very variable, varying by more than a factor of 100 between different parts. [6] [7]
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