Helicopter Flying Lessons- Autorotations Are Not For The Faint of Heart

I'm up for trying out different modes of transportation.  But, did you know that when you are learning to fly helicopters, you have to do autorotations?  I'll let wikipedia explain what they are: http://en.wikipedia.org/wiki/Autorotation

So, you basically have to turn the ship into a pinwheel.  Nice huh?  Here is some helicopter autorotation landing footage from a lesson my friend took the other day: