Science and Engineering


Bird Balance

Mobiles are dynamic sculptures that stay in perfect balance even as they twirl in the wind.

Balancing a mobile's decorative ornaments can be complicated. Mobiles often have multiple support rods that hang at different levels, adding layers of challenge. Can you identify the rods in the mobile below that are unbalanced?

This Daily Challenge has expired

Subscribe to Premium to get access to the full archives.

Subscribe now

Problem Loading...

Note Loading...

Set Loading...