References to silicon carbide heating elements exist from your early twentieth century every time they were being made by Acheson's Carborundum Co. within the U.S. and EKL in Berlin. Silicon carbide offered increased running temperatures in comparison with metallic heaters. The phenomenon of electroluminescence was discovered in 1907 using silicon https://elliottmmkji.develop-blog.com/43064434/boron-carbide-options