Building a Spinning Water Demo

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I've built this classic demonstration that help visualize the effects of the centrifugal force.
This is a beautiful example of how we can use a real world physical system to obtain a basic mathematical curve. In my next video I'm going to derive this function, but in the meantime feel free to do it yourself as a nice exercise.

This was my first attempt at concrete casting and it came out better than expected! I even embedded a custom 3d printed part in the mold, to make the part actually functional.

If you wish to build this for yourself you could find more information, including plans and 3d printable models on my website:

I also made a video explaining the physics behind this spinning wonder:

If you like what I do and want to support rad-head: