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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 ...
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.
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
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.
The half-life of tellurium-128 is over 160 trillion times greater than the age of the universe, ... List of elements by stability of isotopes ... The PDF of this ...
When tantalum enrichment is observed, it is probably due to loss of more water-soluble elements in aerosols in the clouds. [87] Pollution linked to human use of the element has not been detected. [88] Tantalum appears to be a very conservative element in biogeochemical terms, but its cycling and reactivity are still not fully understood.
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").