Quote (Falkerakatim @ Mon, Aug 10 2009, 02:44pm)
Uranium: 18,95 g.cm-3 at 20°C
lead: 11,34 g.cm-3 at 20°C
plutonium: 19,84g.cm-3 at 20°C
gold: 19,3 g.cm-3 at 20°C
Pt (platina, but i dont know if it is called the same in english): 21,4 g.cm-3 at 20°C
osmium: 22,5 g.cm-3 at 20°C
DO IT!