By Bill DeSmedt
7:14 a.m. June 30th, 1908 -- The most devastating cosmic collision in recorded history rocks Central Siberia, decimating thousands of square kilometers of ancient forest, yet leaving behind not a shred of hard evidence as to what caused it.
What if, as some astrophysicists have theorized, the culprit was a submicroscopic black hole, smaller than an atom, heavier than a mountain, older than the stars? What if that fantastic object is still down there, burrowing through the Earth's mantle, locked into a decaying orbit that could one day consume the entire planet? What if you could capture it, and harness its awesome power to transform the world -- or end it?