Summary: 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 a map of your route would reveal you are doomed to walk in circles.
Summary: 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 a map of your route would reveal you are doomed to walk in circles.