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Ceramic matrix composite (CMC) materials are made of coated ceramic fibers surrounded by a ceramic matrix. They are tough, lightweight and capable of withstanding temperatures 300–400 degrees F hotter than metal alloys can endure. If certain components were made with CMCs instead o...








It's looking and feeling a lot less like Christmas in many parts of the country as higher temperatures and fewer snowfalls are becoming the norm from Thanksgiving to Christmas Eve.Looking at states that typically get snow, 197 of 260 weather stations have reported fewer days with snowfall since 194...