Flows along the equator of a Lab Planet using the DIYnamics motor @spinlabucla
Flows along the equator of a Lab Planet using the DIYnamics motor  @spinlabucla
Uploaded August 2026 | Updated September 2026, 2 weeks ago
Video of fluid flows on the "lab planet" at the Royal Observatory of Belgium. In this example, the rotation rate is slightly decreased, and after a few seconds into the video, beautiful "shear" patterns emerge along the planet's "equator" (i.e. it's widest part in the video, as if the north pole were the top and the south pole was the bottom touching the platform).

The fluid inside of the lab planet is "Barbasoloscope", which you can learn how to make by following along our other video here: youtu.be/f9K3FEJkBrs.

Video courtesy of Santiago Triana of the Royal Observatory.

See the associated DIYnamics blog post for more info: diynamics.github.io/blog/belgium-sphere-2019.html
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UCLA SpinLab |

Flows along the equator of a "Lab Planet" using the DIYnamics motor

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