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3 hours ago · Zinc is a chemical element; it has symbol Zn and atomic number 30. It is a slightly brittle metal at room temperature and has a shiny-greyish appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table.
1 day ago · Chemical element, symbol I and atomic number 53 Iodine, 53 I Iodine Pronunciation / ˈ aɪ ə d aɪ n, - d ɪ n, - d iː n / (EYE -ə-dyne, -din, -deen) Appearance lustrous metallic gray solid, black/violet liquid, violet gas Standard atomic weight A r °(I) 126.904 47 ± 0.000 03 126.90 ± 0.01 (abridged) Iodine in the periodic table Hydrogen Helium Lithium Beryllium Boron Carbon ...
4 hours ago · Colombia announced the discovery of the San Jose that same year - but by that point, it had already caught the eye of adventurers. Last year, another team brought back jaw-dropping images of its ...
1 day ago · American writer Mark Twain (1835−1910) German inventions and discoveries are ideas, objects, processes or techniques invented, innovated or discovered, partially or entirely, in Germany or abroad by a person from Germany (that is, someone born in Germany – including to non-German parents – or born abroad with at least one German parent and who had the majority of their education or ...
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1 day ago · The company has taken Colombia to the UN’s Permanent Court of Arbitration*, seeking $10 billion. According to a Colombian government filing, the San José carried “the biggest treasure in the history of humanity.”. Sea Search Armada claimed it discovered the wreck in 1981 and estimated the value of her bounty to be between $4 billion to ...
3 hours ago · Scanning electron microscope (SEM) images showing natural (a–c) and artificial (d–f) weathering features observed in slags.(a) Cu slag composed of silicate glass, silicates, and sulfides characterized by the dissolution of its marginal areas with visible formation of secondary phases, (b, c) Formation of secondary phases (cuprite—b, Cu-sulfates—c) due to dissolution of Cu sulfide, (d ...
3 hours ago · “The results at Farrelly are quite outstanding and define what appears to be a discovery of a continuous zone of high-grade heavy mineral sands over a sizable area, which remains open. “While it is early days in our understanding of Farrelly, with more drilling and test work required, it is shaping up to become a significant mineral sands ...
