Germany’s Post-World War I Scheme to Extract Gold from Water

In order to pay Germany's staggering World War I reparations, one of the country's greatest scientific minds created a plan to concentrate and remove gold from seawater. Fritz Haber, a Nobel Prize winner, went from creating chemical weapons to panning for gold in the ocean. But could this have worked? » 5/10/13 1:02pm 5/10/13 1:02pm