References to silicon carbide heating elements exist through the early twentieth century whenever they have been produced by Acheson's Carborundum Co. inside the U.S. and EKL in Berlin. Silicon carbide supplied elevated running temperatures when compared with metallic heaters. The phenomenon of electroluminescence was found in 1907 utilizing silicon carbide https://lukasikifw.frewwebs.com/36313413/examine-this-report-on-aluminum-oxide