Broken Ring on Overhead Projector - 1D55.10 

- Place the ring near the edge of the table so that the ball will roll parallel to the edge.
- Roll a steel ball around the inside of the ring.
- Hold the ring securely while the ball is rolling around the ring.
- Have the class vote which way the ball will roll when it reached the gap.

Location: Jacobs B122 - Shelf 286