If you are like me, you won't wear a bike helmets because you need the wind through your hair, like when you were a kid. (At least, I'm like that when riding in the countryside or through a park).

Now, two graduate students are getting global attention after creating an "invisible bike helmet" - actually a mini airbag designed to protect bicyclists' heads from injuries.

In fact, it protects you 2-3 times better than a helmet can.

(WATCH the video from TODAY)