This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
La fontaine turbulente. This fascinating objects is very elegant example of deterministic chaos On each arm of the wheel is bucket with hole At the top trickle of water flows into the bucket beneath it This small force is sufficient to move the wheel Each bucket in turn receives some drops Below the inclined plane blades submerged