Physics:Newton's Apple（14）
On this episode of Newton's Apple， we shall find answers to the questions: First， how do caverns form out of a sort of rock? We're going rock climbing inside a cave. Second， how do human eyes see? To shed some light on the mystery of sight， Suchin and Doctor Brucestan will answer this question. And Last， Betty White talks to the animals.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 10:21:12