Physics:Newton's Apple（6）
On this episode of Newton's Apple， we shall find answers to two questions: First， if an airplane crashes and catches fire， how can fire fighters put it out fast enough to save the people inside? Second， why are balloons so stretchy? And last， a display of home videos the viewers did of some science projects.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 10:13:07