Platinum may be made into the hardest or the most ductile of metals. Combined with ten or twenty per cent of iridium it is the hardest. It is said that one cubic inch of platinum can be drawn to such fineness that a single web of the wire would extend twice around the earth! Platinum is one of the h... Read More | Share it now!
FOR centuries gold has stood for value. From the beginnings of history to the present time, with the exception of food, the glittering yellow metal has been more sought after than any commodity in the entire category of human desire. Wars have been fought for its possession; innumerable lives have b... Read More | Share it now!