Why does the compass indicate direction?

Author: Wei Lai, Editor-in-Chief
Publisher:
Publish Date: 2004-09-01
Features: The large-scale science popularization animation series "Blue Cat 3000 Questions" won the 18th and 19th China Television Golden Eagle Award for Outstanding Animated Film, the 20th China Television Golden Eagle Award for Best Animated Film, the First Prize of the Fourth National Outstanding Educational Audio-Visual Products Award, the 5th China Television Program Golden Child Award, the Special Award for Promoting Science Popularization Education at the First National Computer Animation Competition, and the Special Award from the Animation Art Committee of the China Television Artists Association.