People get a kick out of leaving McDonald’s fries and chicken nuggets sitting out for months, marveling at the lack of expected rot and degradation. That’s old news. Molten copper is all the rage right now, and some industrious fellow has been pouring it on various items and recording the resulting fallout. Latest on the chopping (pouring?) block was a Big Mac, but the molten copper merely rolled off its buns. Literally.