So cool, thanks for sharing. We used to do that as children as well: a spiral cutted out of paper on top of a long skewer stuck into a potato. Felt like perpet

So cool, thanks for sharing. We used to do that as children as well: a spiral cutted out of paper on top of a long skewer stuck into a potato. Felt like perpetual motion somehow. It works if you put it on top of a radiator btw.