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In crystallography, the diamond cubic crystal structure is a repeating pattern of 8 atoms that certain materials may adopt as they solidify. While the first known example was diamond , other elements in group 14 also adopt this structure, including α-tin , the semiconductors silicon and germanium , and silicon–germanium alloys in any proportion.
Sodium bicarbonate can be added to local anaesthetics, to speed up the onset of their effects and make their injection less painful. [49] It is also a component of Moffett's solution, used in nasal surgery. [50] It has been proposed that acidic diets weaken bones. [51] One systematic meta-analysis of the research shows no such effect. [52]
A family tree of the main characters of the Galactic Milieu series. The Galactic Milieu Series is a series of science fiction novels by Julian May.It is linked to her previously-published series, the Saga of Pliocene Exile; and through the fantastical device of time-travel, acts as both a prequel and a sequel to this earlier series.
The Kenneth fire burns in the Upper Las Virgenes Open Space Preserve on Thursday, Jan. 9, 2025, in West Hills, L.A. Credit - Brian van der Brug/Los Angeles Times—Getty Images
Alexander Paffendorf expressed regret for his involvement when a judge offered a chance for final words before keeping an order to confiscate his guns and ammunition in place until April 4.
Italy is ready to talk to the incoming U.S. administration of Donald Trump to avoid potential retaliation against Rome's domestic web tax, Deputy Economy Minister Maurizio Leo said on Tuesday.
Because of diamond's perfect and easy cleavage, it is vulnerable to breakage. A diamond will shatter if hit with an ordinary hammer. [ 12 ] The toughness of natural diamond has been measured as 2.0 MPa⋅m 1/2 , which is good compared to other gemstones like aquamarine (blue colored), but poor compared to most engineering materials.
Gonzalez is now on an international tour to sympathetic countries – such as the United States, whose government formally recognizes Gonzalez as Venezuela’s president-elect – to rally support ...