At first, people gazed in wonder at the radiant tear in the sky. A year later, the celestial marvel became a planetary crisis when Earth spun through the comet's debris field and the sky rained fire. The town of Northfall, Minnesota will never be the same. Meteors cratered hardwood forests and annihilated homes, and among the wreckage a new metal was discovered. This “omnimetal” has properties that make it world-changing as an energy source......