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  • What are the color metal oxides?

    What are the color metal oxides?

    Dyes can be coarse metal oxides (such as iron oxide, chromium oxide), metal oxide-containing materials (such as rutile), or an outer layer smelted from metal oxides and stabilizers (stains). The same metal oxide can participate in many color...
  • Not only the pyramids but the new capital of Egypt

    Not only the pyramids but the new capital of Egypt

    Speaking of Egypt, people must think of mysterious things like pyramids and mummy. As one of the four ancient civilizations, what kind of magical place is ancient Egypt full of halo? Please listen to historian and Ph.D. in Egyptology at Joh...