Perpetual Motion Machine? Classes Used: PHYS 153

This works off a temperature gradient across the Nitinol wire, and boiling water (or close to, about ~90) is usually good enough for a room temperature environment. Submerge the bottom wheel into said boiling water (just enough to cover the wire) and give the blades a small flick to start.

The one with tape on its supporting beam doesn't work as well. There is also a cup near the windmills that has tearing to indicate the maximum filling line. Updated on 05/30/13