5D Quartz Coin Can Store All Human History for 14 Bil. Years Feb 21, 2016 22:13:56 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by J.J.Gibbs on Feb 21, 2016 22:13:56 GMT -5 Superman Memory Crystal: 5D Quartz Coin Can Store All Human History for 14 Billion Years(Ignore the silliness about the age of the universe he states.)