Hello, we've been away for a while but we are back and this week Lee is in charge. He is pondering Matrioshka brain's, Dyson spheres and diamond filled skies. I do my best to be devil's advocate.

We have a special guest this week, Ryan Case from Seattle who poses our fantastic mini question.

What do you think? What would happen when we need more fuel than the earth could provide? Dystopia, Utopia or Midtopia?