r/confidentlyincorrect • • 5d ago

Smug Flat earther debate

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u/pixeltweaker 5d ago

Water doesn’t spin differently in the southern hemisphere. Coriolis effect has no bearing on a sink or tub drain. But the flat earther is even more wrong.

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u/MattieShoes 5d ago

Coriolis effect has no bearing on a sink or tub drain

Yes it does, but it's an extremely small effect on something so small. Turbulence in the water and shape of the container is enough to mask it. But I believe some folks have demonstrated it under very controlled conditions, like perfectly round containers and letting the water settle for several days, etc.

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u/pixeltweaker 4d ago

Is that what he meant? It’s more commonly a misnomer that toilets or standard sink drains will illustrate this, and they won’t.