Click to viewWhen you were a kid using the swings at recess, you always would get just high enough to feel the chains go slack at the top. You always imagined getting so high that you'd go completely around the top bar and come down on the other side, but it always seemed like an unattainable goal. An impossible dream, if you will. Well, now we have proof that if you have balls of steel, it's possible to do the fabled full loop. Good god, this is a terrifying video. [CollegeHumor]