Annette is in a park in beautiful Oxford, England today, and she wants to introduce us to the sport, or hobby, of slacklining. There’s a lot of skill involved, but Annette has mastered it, and she shows us how it’s done!

Michael Jordan’s legendary slam dunk from the free throw line has been calculated at 0.92 seconds of pure hang time. But how many seconds could Jordan have gotten if he did the same jump on Mars? Or Jupiter?