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Material properties of diamond. Burns above 700 °C in air. Diamond is the allotrope of carbon in which the carbon atoms are arranged in the specific type of cubic lattice called diamond cubic. It is a crystal that is transparent to opaque and which is generally isotropic (no or very weak birefringence ).
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.
United States Army Lt. Gen. John Kimmons with a copy of the Army Field Manual, FM 2-22.3, Human Intelligence Collector Operations, in 2006. FM-34-45. United States Army Field Manuals are published by the United States Army 's Army Publishing Directorate. They contain detailed information and how-tos for procedures important to soldiers serving ...
Younger generations are being diagnosed with breast, pancreatic, liver and other cancers earlier at higher rates than previous generations — and are dying more often, new research warns.
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Diamond DA40 Diamond Star. The Diamond DV20/DA20 Katana is an Austrian -designed two-seat general aviation light aircraft. Developed and manufactured by Diamond Aircraft, it was originally produced in Austria as the DV20. The DV20 shares many features from the earlier Diamond HK36 Super Dimona. It was introduced to service during 1993.
A 2021 study published by the Atlantic Council found that corn growers in the US are losing “$720 million in revenue annually due to heat’s effect on crop yields, which will increase to a ...
OG Anunoby will stay with the New York Knicks on a five-year contract worth more than $210 million, a person with knowledge of the details said Wednesday. Keeping the swingman was a priority for ...