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Osmium is a chemical element with symbol Os and atomic number 76.
Osmium is a chemical element with symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally occurring element, with an experimentally measured density of 22.59 g/cm3. Manufacturers use its alloys with platinum, iridium, and other platinum-group metals to make fountain pen nib tipping, electrical contacts, and in other applications that require extreme durability and hardness. The element's abundance in the Earth's crust is among the rarest.
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Osmium is the debut album of American funk band Parliament, led by George Clinton. The album has a psychedelic soul sound with a spirit of experimentation that is more similar to early Funkadelic than the later R&B-inspired Parliament albums. It was originally released in September 1970 on Invictus Records. The original vinyl release contained a glossy lyric sheet.
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Osmium (76Os) has seven naturally occurring isotopes, six of which are stable: 184Os, 187Os, 188Os, 189Os, 190Os, and (most abundant) 192Os. The other natural isotope, 186Os, has an extremely long half-life (2×1015 years) and for practical purposes can be considered to be stable as well. 187Os is the daughter of 187Re (half-life 4.56×1010 years) and is most often measured in an 187Os/188Os ratio. This ratio, as well as the 187Re/188Os ratio, have been used extensively in dating terrestrial as well as meteoric rocks. It has also been used to measure the intensity of continental weathering over geologic time and to fix minimum ages for stabilization of the mantle roots of continental cratons. However, the most notable application of Os in dating has been in conjunction with iridium, to analyze the layer of shocked quartz along the Cretaceous–Paleogene boundary that marks the extinction of the dinosaurs 66 million years ago.
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In the Star Trek fictional universe, shields refer to a 23rd and 24th century technology that provides starships, space stations, and entire planets with limited protection against damage. They are sometimes referred to as deflectors, deflector shields, and screens.
Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity and the rarity of osmium. It also has a number of interesting properties, one being that the solid is volatile. The compound is colourless, but most samples appear yellow. This is most likely due to the presence of the impurity OsO2, which is yellow-brown in colour.
Parliament is a funk band formed in the late 1960s by George Clinton as part of his Parliament-Funkadelic collective. Less rock-oriented than its sister act Funkadelic, Parliament drew on science-fiction and outlandish performances in their work. The band scored a number of Top 10 hits, including the million-selling 1975 single "Give Up the Funk ," and Top 40 albums such as Mothership Connection (1975).
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Group 9 is a group (column) of chemical elements in the periodic table. Members are cobalt (Co), rhodium (Rh), iridium (Ir) and meitnerium (Mt). These are all transition metals in the d-block.
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Up for the Down Stroke is an album by the American funk band Parliament. It was the band's second album, and their first to be released on Casablanca Records. The album was released on July 3, 1974. Its title track was Parliament's first chart hit and remains one of the most well-known P-Funk songs. The album also contains a funk reworking of The Parliaments' song "(I Wanna) Testify" under the title "Testify". The original title of the album was Whatever Makes Baby Feel Good, and the cover featured group leader George Clinton hovering over a woman in distress, sporting a black wig and monster-type gloves.
Kudos is acclaim or praise for exceptional achievement.
Self Portrait is the 1970 debut album by English singer Ruth Copeland. The album was released by Invictus Records in 1970 and produced by Ruth Copeland, though it is widely believed that the actual producer of the album was her then husband Jeffrey Bowen working under an alias. The album presumably was recorded during the same sessions that produced Parliament's debut album, Osmium.
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