The Mysteries of Optic Flow

How do birds manage to fly through narrow spaces without constantly bumping into trees or buildings? It turns out that they use a trick of the eye called optic flow. Understanding what optic flow is and how birds use it could help us build a safer world for our feathered friends.
Aired: 4/8/2014 | 0:03:58

Upcoming NOVA Air Dates

  • THIRTEEN Invisible Universe Revealed Wednesday, Apr. 22 9:00pm
  • WLIW21 Invisible Universe Revealed Thursday, Apr. 23 9:00pm
  • WLIW21 The Great Math Mystery Thursday, Apr. 23 10:00pm
  • THIRTEEN Invisible Universe Revealed Friday, Apr. 24 2:00am

Comments are closed.