- Gwen Diamond -tj Cummings -little Billy | -4978- - 2008-01-23

Little Billy zoomed in on the data. "Or… something reflected heat downward for a short time. Like a lens."

Tj dismissed the folklore until they ran a spectrographic scan of the ancient ice. Trapped in that 4978 BCE layer were microscopic fragments of obsidian —not from any known volcano, but chemically identical to a mirror Gwen Diamond’s tribe would have used. Little Billy zoomed in on the data

Tj noticed something odd. The isotope ratios in a layer dated to showed a sudden, unexplained methane spike—too brief for a volcanic event, too precise for a meteor. "Billy," Tj said, pointing at the graph. "This looks like someone lit a match in the prehistoric atmosphere for about six hours, then nothing." too precise for a meteor. "Billy