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Four years after the first synthesis of artificial diamond, cubic boron nitride c-BN was obtained and found to be the second hardest solid. [24] Synthetic diamond can exist as a single, continuous crystal or as small polycrystals interconnected through the grain boundaries. The inherent spatial separation of these subunits causes the formation ...
Isotope of plutonium; too unstable to exist in our world, but exists naturally in fictional parallel universes whose strong nuclear force is stronger. This is used as a source of energy where turned into 186 W, releasing electrons in the process. [citation needed] Lightest known isotope of plutonium: 227 Pu. Quantium
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Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element; it has 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.
It was a small slug of adamantium, the toughest and hardest of all metals..." Adamant and the literary form adamantine occur in works such as The Faerie Queene, Paradise Lost, Gulliver's Travels, The Adventures of Tom Sawyer, The Lord of the Rings, [4] and the film Forbidden Planet (as "adamantine steel").
Superheavy elements, also known as transactinide elements, transactinides, or super-heavy elements, or superheavies for short, are the chemical elements with atomic number greater than 104. [1] The superheavy elements are those beyond the actinides in the periodic table; the last actinide is lawrencium (atomic number 103).
Known to the ancient Greeks as ἀδάμας (adámas, 'proper, unalterable, unbreakable') [3] and sometimes called adamant, diamond is the hardest known naturally occurring material, and serves as the definition of 10 on the Mohs scale of mineral hardness.
If it exists, nuclear pasta would be the strongest material in the universe. [1] Between the surface of a neutron star and the quark–gluon plasma at the core, at matter densities of 10 14 g/cm 3 , nuclear attraction and Coulomb repulsion forces are of comparable magnitude.