Mesmerizing video! A mathematician exercising predictive control over thin ice brings to mind Kislowski's wonderful Dekalog 1 (https://en.wikipedia.org/wiki/Dek

Mesmerizing video! A mathematician exercising predictive control over thin ice brings to mind Kislowski's wonderful Dekalog 1 (https://en.wikipedia.org/wiki/Dekalog:_One https://en.wikipedia.org/wiki/Dekalog:_One), which is my favorite among the set of ten.