[ExI] is this cool or what?

[BillK]

On Mon, 8 Aug 2022 at 20:04, spike jones via extropy-chat
<extropy-chat at lists.extropy.org> wrote:
>
> I have half a mind to try to make one of these bubble ring chambers.  Perhaps a prole could figure out a way to make multiple colliding rings and such, then create video, put it on the internet, sell ad space, make a buttload.
>
> spike
> _______________________________________________
>

Now, now.  Remember Spike's Rule?
The search term you want is 'toroidal bubble' or 'vortex bubble'.

<https://www.abc.net.au/science/articles/2014/04/11/3978532.htm>
Blow underwater bubble rings (like dolphins do)

<https://thekidshouldseethis.com/post/underwater-vortex-ring-generator-video>
Make an underwater vortex ring generator

<https://www.math.toronto.edu/~drorbn/Gallery/KnottedObjects/ToroidalGlassBubble.html>
A toroidal bubble in glass

Vortex bubbles have been around for a while.........

BillK