Water is just endlessly fascinating.
When I was recently at the ThinkTank science museum in Birmingham, UK, they had water fountains that you could balance balls on, like so:
Even though it was raining, you can probably imagine how much time I spent there… But I made a video for you so you can enjoy it, too. Have fun!
Pingback: Centrifugal governor | Adventures in Oceanography and Teaching
Pingback: Ball balancing on air flow |