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ForeverSpin is a Canadian company that manufactures metal spinning tops, which have a similar appearance to the top seen in the 2010 film Inception. [3] The company funded the initial manufacture of its tops through crowdfunding campaigns. [4] [better source needed] [5] [better source needed]
A ForeverSpin spinning top made of Humanium Metal. Humanium Metal is a brand of metal made by melting down illegal firearms seized in conflict zones.The creation and distribution of this metal is done through a marketing campaign called "The Humanium Metal Initiative", started in 2016 by Swedish nonprofit organization IM Swedish Development Partner.
Tungsten (also called wolfram) [14] [15] is a chemical element; it has symbol W and atomic number 74. It is a rare metal found naturally on Earth almost exclusively ...
Thirty-four artificial radioisotopes of tungsten have been characterized with mass numbers ranging from 156 to 194, the most stable of which are 181 W with a half-life of 121.2 days, 185 W with a half-life of 75.1 days, 188 W with a half-life of 69.4 days and 178 W with a half-life of 21.6 days.
Hexa(tert-butoxy)ditungsten(III) is a coordination complex of tungsten(III). It is one of the homoleptic alkoxides of tungsten. A red, air-sensitive solid, the complex has attracted academic attention as the precursor to many organotungsten derivatives. It an example of a charge-neutral complex featuring a W≡W bond, arising from the coupling ...
A Assuming an altitude of 194 metres above mean sea level (the worldwide median altitude of human habitation), an indoor temperature of 23 °C, a dewpoint of 9 °C (40.85% relative humidity), and 760 mmHg sea level–corrected barometric pressure (molar water vapor content = 1.16%).
Heating ammonium paratungstate to its decomposition temperature of 600 °C yields tungsten(VI) oxide, as described in this idealized equation: (NH 4) 10 (H 2 W 12 O 42)·4H 2 O → 12 WO 3 + 10 NH 3 + 6 H 2 O. From there, the trioxide is heated in an atmosphere of hydrogen, yielding elemental tungsten: [3] WO 3 + 3 H 2 → W + 3 H 2 O
After a major upgrade to install tungsten walls and a divertor, the tokamak was renamed WEST. WEST is situated at the nuclear research center of Cadarache, Bouches-du-Rhône in Provence, one of the sites of the Commissariat à l'Énergie Atomique. Tore Supra operated between 1988 and 2010. Its goal was to create long-duration plasmas.