A Japanese miner climbs onto the stage, his helmet light bobbing and a pickax slung over his shoulder. He swings the pick a few times before kneeling to inspect something unusual and then worries at some loose rubble with his hands. Suddenly his face lights up, and he turns to the audience, his newfound riches held forward in his open hands. “I have discovered a new supermagnet that attracts wood,” he announces. Okaaaay....