Comment of the Day: Sewage and Statistics Edition

In today's comments, we learned how to calculate the event horizon of a black hole, where to look for the very best in sci-fi inspired music, and one very surprising fact about where those between-year census figures come from. » 9/27/13 4:53pm 9/27/13 4:53pm

In this post calling for the trade secrets from commenters fields of expertise,… » 9/27/13 4:53pm 9/27/13 4:53pm