Whirlpool straw - GIF

Whirlpool straw.

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Previously:

https://www.homemadetools.net/forum/...600#post132601
https://www.homemadetools.net/forum/...563#post147418
https://www.homemadetools.net/forum/...502#post122792
https://www.homemadetools.net/forum/...296#post146227
https://www.homemadetools.net/forum/...3095#post98045

Guess it would do no good, to ask what's the point? :headshake:

The point, as in most cases, is to make money for the supplier.

In space bubbles don't float, and astronauts that drink too many can feel bloated and uncomfortable. Solving that would be a cool use case for straws that use suction and centrifugal force, i.e. a whirlpool, to separate gasses and liquids.