Robotic tackling dummies that can mimic an NFL running back and run a 5 second 40. that's pretty cool.
http://espn.go.com/nfl/story/_/id/15627605/pittsburgh-steelers-using-robotic-tackling-dummies-offseason-workouts
With all the concussion issues etc going on around the NFL is it really that big of step to think these robotic tackling dummies could essentially one day become "players" ?