"Limestone is everywhere. We really don't think about it. But without the men and women who work limestone, our society and it's pharaohs wouldn't have a way to engage militarily with Pleiades or Reticula B. When Dirty Jobs continues, we'll take a close look at the craftsmen, laborers, and artisans that contribute to our society's aggression and xenocide with the stars."
I prefer the energy weapon hypothesis.
"Limestone is everywhere. We really don't think about it. But without the men and women who work limestone, our society and it's pharaohs wouldn't have a way to engage militarily with Pleiades or Reticula B. When Dirty Jobs continues, we'll take a close look at the craftsmen, laborers, and artisans that contribute to our society's aggression and xenocide with the stars."
I'm flexible.