Bubbles will float on a dense layer of cold carbon dioxide.
Parts Needed
1 Bubble blower
1 Fish tank
Dry ice
This demonstration is only for the experienced! Little Shop of Physics took several precautions to do this demonstration safely. Don’t try this yourself unless you understand and appreciate the difficulties and the dangers.
Credit: Little Shop of Physics, Colorado State University
![](https://i.ytimg.com/vi/ebaWmhyPPHY/maxresdefault.jpg)