Carl Gibson, 26, is cofounder of US Uncut, a nationwide creative directaction movement that mobilized tens of thousands of activists against corporate tax avoidance and budget cuts in the months leading up to the Occupy Wall Street movement. Carl and other US Uncut activists are featured in the documentary "We're Not Broke," which premiered at the 2012 Sundance Film Festival. He currently lives in Madison, Wisconsin.When two human bodies collide moving at even moderate speed, the forces produced are incredible. A study conducted by Popular Mechanics magazine found an NFL defensive back tackling a wide receiver can produce up to 1,600 pounds of tackling force, subjecting the receiver head to as many as 60 times the force of gravity. More violent collisions can produce up to 150 Gs at impact.

"We got in an argument. She was saying, you know, I'm trying to be here for you. I didn't want to be bothered.1. Catch a glimpse of the players. The AFC champions, my bel