travisbean writes "This should be enough to pique your interest. Add to the story that the guy has his own pond and I think we can all see where this is going... 'The first step was the procurement, through eBay, of three and half pounds of solid sodium metal for about a hundred dollars. This is a decent price for a small quantity like this. Small being a relative term: It's used by the ton in industry, but anything more than a few grams is a dangerous quantity if found in your home. Three and a half pounds is enough, for example, to blow your home to bits under the right conditions.'"