The Mysteries of Optic Flow
Clip: Season 41 Episode 9 | 2m 58s | Video has closed captioning.
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.
The full episode is no longer available for online streaming. Why?
Please continue to enjoy extra(s) from this episode. The full episode is still available for purchase through the "Buy Now" links.
Problems Playing Video? | Closed Captioning