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ARTICLE OF THE HOUR Beryllium Mirrors
Refinements Enable New Applications
Beryllium mirrors are finding commercial applications, while maintaining their military and space applications. Refinements in design and improvements in manufacturing technology have cut costs and new coatings have enabled high-power applications allowing a three-fold increase in manufacturing process speeds and economics. With a specific gravity of 1.85 g/cm3, beryllium is the lightest metal that is workable. It is 45 percent lighter than aluminum and approximately five times as stiff. Its...

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