Balloons filled with gases more dense than air will fall.
Credits:
- Design
- John W. Moore University of Wisconsin - Madison, Madison, WI 53706
- Lynn R. Hunsberger University of Louisville, Louisville, KY 40292
- Steven D. Gammon University of Idaho, Moscow, ID 83843
- Demonstration
- Kelly Houston Jetzer University of Wisconsin - Madison, Madison, WI 53706
- Video Production
- Jerrold J. Jacobsen University of Wisconsin - Madison, Madison, WI 53706
- Text
- Kelly Houston Jetzer University of Wisconsin - Madison, Madison, WI 53706
- John W. Moore University of Wisconsin - Madison, Madison, WI 53706
- David Phillips Wabash College, Crawfordsville, IN 47933