How Do They Do It? - S10E16 - Ball Bearings; Cartoonists' Ink; False Eyes

  • Documentary, Science, Educational
  • TV-PG
  • 21 min
  • Dec 19, 2013
  • HD
Billions of insects are used to produce fine ink; false eyes are handcrafted; workers create some strong ball bearings.
Cast:

Chris Broyles