Mechanical device that runs forever
https://www.youtube.com/watch?v=X9xNN0XtPk8
It is easy to see that this film is looped from time 1:13 to 1:20.
GL.
I doubt any of his projects are provided as proof of the impossible.
More like, proof that more education is required for the general audience.
I follow his work simply because of the workmanship and the occasional difficulty in determining how he presents the solution to look real.