Added on Feb 21, 2011

Length: 03:34 | Comments: 0

Try as you might, you can't walk in a straight line without a visible guide point, like the Sun or a star. You might think you're walking straight, but as NPR's Robert Krulwich reports, a map of your route would reveal you are doomed to walk in circles.

Channels: Arts & Animation  

Tags: robert  krulwichbenjamin  arthurnational  public  radionprkrulwich  lineswalking  in  lines