"There were human bones spilling loosely from the inside of the crater, falling with the black earth in which they had been embedded to partially obscure the still-hot layer of glass that covered the bottom." What caused the mysterious explosion which tore apart the research center and spread radioactive pollution over the city? It was Stephen Tang's job to find out. But what he discovered was even more terrifying than the original blast. Novelette, approx 12,500 words.