Silver and Gold Question ? since the discovery of AG AU man kind was obsessed with pulling AG AU out from under ground , Men died for these metals . Yet what was the pull when you see what AG AU can do in modern times PM's are sensible to go miles underground for But our ancestors who first found it had inspiration to die for it - For Looks ? I can't find any essential use from the start . Essential use now - - yes. Other metals Essential day one till now. Coinage seems to be what I find as Essential as they were rust free heavy for there size and people felt compelled to want. If AG AU are responsible for any thing it might be the concept of currency. http://www.youtube.com/watch?v=Xi6gM1THMYU