How Do They Do It? - S9E8 - Leather Footballs, Mussels, Helmet

  • Documentary, Science, Educational
  • TV-PG
  • 21 min
  • Aug 23, 2012
  • HD
Making footballs for the National Football League; how mussels are farmed; designing the ultimate fighter pilot's helmet.
Director:

Ross Young

Alexis Burke

Jon Nutter

Cast: