helmet stories

If you're a fan of activities that you need to wear a helmet for, you know there are two major problems that can arise from a crash: you break the helmet or you hurt your head. Both can be harder to tell than you'd think. This "Smart Helmet," at least, will know if you're injured.
Well, this is a little creepy. This bicycle helmet has been modified to grab on to the wearers ears. When the person using the joystick connected tot he helmet tells it to go left or right, the helmet tugs on...