Check Out the Science Behind the NERF Blaster [VIDEO]

NERF sure has come a long way since I was a kid.  Back then, my only experience with NERF was the football I had.  Now there are a multitude of NERF toys, the most popular being the guns.  They do look cool, and my kids love them, but who would've thought there was so much science behind the design?

Here's a video explaining the science behind the NERF Blaster, which allows you to shoot one NERF dart at a time.  I shouldn't be surprised that so much thought and science goes behind making toys like this, but I was.