How to Make a SQUARE Vortex Ring! ft. 3blue1brown

The video features a collaboration with Grant Sanderson to explore vortex rings. Initially, they attempt to create vortex rings through a square hole, predicting various outcomes. The experiment reveals that the square hole produces a wobbling effect, transitioning between square and diamond shapes. The video explains the fluid dynamics behind vortex rings and their wobble, using the Navier-Stokes equation. A laser experiment further visualizes the vortex, leading to new questions. The video concludes with an invitation to explore more on Grant's channel.

What conclusions can be drawn about the wobbling behavior of vortex rings?

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How does the Navier-Stokes equation relate to the study of vortex rings?

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What experimental setup was used to visualize the vortex rings in the video?

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