03-26-2012, 11:35 AM
(03-26-2012, 10:59 AM)Ali Quadir Wrote: but it has to be in there first!
That was a given

Quote:In gold mining they take rock that contains small doses of gold and crush it to a powder. Then they put that powder in mercury. The mercury will ignore the rock but dissolve the gold. Then you heat the mercury and get the gold.
Makes sense.