Published on September 28 2014

Ceramic pigments as inorganic salts, metal compounds. Its color is mainly due to its composition containing metal elements can be colored, and after several hundred or more than one thousand degrees of barbecue after the final color. Because of the metal...

Published on September 10 2014

From Lodestone being used as a mariner's compass to magnetic therapy-magnets have come a long way. Magnets are used in various industries all over the world in various forms. In Medicine And Health: Magnetic-Therapy Old Chinese texts dating back to 2000...