Have you ever watched an action movie and wondered, “Could that really happen?” Tom Cruise and Henry Cavill famously barrel rolled their helicopters down a cliff in a stunning action set piece in Mission: Impossible – Fallout, but how likely are two humans to survive such a daring feat? Could someone actually make it through a nuclear explosion in a fridge as Indy did in Indiana Jones and the Kingdom of the Crystal Skull? And how likely is it that an amputee could safely swing between metal bars without falling, then jump from a crane to a burning building as Dwayne …