The physical and chemical properties of tungsten, which make it such a useful metal, also ensure that the formation of these ores is limited to geologies where tremendous heat and pressure are ...
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Scientists Probed a Medieval Alchemist’s Artifacts—and Found an Element That Changes History“Tungsten is very mysterious,” Kaare Lund ... and it was common for alchemists to link the Earth’s elements to properties in space and the human body. And there's a whole list of those ...
In HD Silicon Solutions LLC V. Microchip Technology Inc., Appeal No. 23-1397, the Federal Circuit held that all but one patent claim were invalid ...
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