An owl gliding through a cloud of helium-filled soap bubbles reveals wingtip and tail vortices.
📽: Usherwood et al. https://video.nostr.build/8f733a811a88114babb8181b5c4fea660d55863a8830b4392cf37507abcd8ee8.mp4
Where does one get helium filled soap bubbles?!
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Um, helium tank and bubble solution?
You must be a wizard!
Likely.
Hard part would be getting the right mixture of air and helium for the bubbles to behave like in the video. I guess with enough skill it could be a matter of holding the nozzle at the right distance
