What If We Built an O’Neill Cylinder?

Watch our What If Discussed episode with Olabisi: Tired of living on an overpopulated Earth? Why not move to the O’Neill Cylinder? An artificial state-of-the-art space habitat where we can control everything, including the weather. What would it take to build a space station like this? How big would it be? And how would we make it suitable for life? Transcript and sources: