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28/02/1893 Carborundum is patented

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Carborundum: Where did it come from? | Stuff of Genius

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Using Silicon Carbide to cut glass

Ameerican chemist Edward Goodrich Acheson patented a method for production of silicon carbide, better known as carborundum. He had discovered it accidentally while trying to make artificial diamonds. The material is used in car brakes, car clutches ceramic plates in bulletproof vests, LEDs and electronics devices that operate at high temperatures or high voltage.
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