Re-entry is hard. It's hard for a spaceship returning from orbit. It's hard for an interstellar rock. They sometimes burn up. They sometimes explode. https://www.youtube.com/watch?v=MvFcY9rTPx8&feature=youtu.be Anyone who read some previous posts knows I went pretty dark once the races of the World Marathon Challenge started. We finished last Monday, February 5th and then I went … Continue reading Houston, we have a problem.