Instructional Video
Cornell University

Cornell University: Personal and Historical Perspectives of Hans Bethe

9th - 10th
A three-video lecture series from the theoretical physicist Hans Bethe. Also, read about his life and work, and how he became a key figure in nuclear physics during the course of the twentieth century.
Instructional Video
Cornell University

Cornell University: Animating Water Bottle Recycling Rates

9th - 10th
What does recycling 100 plastic bottles per second look like? How about 840 per second? View this short video to find out. Requires QuickTime.