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Spin-direction of water
(51 posts, started )

Poll : Direction

Clockwise
16
Counter-clockwise
13
Quote from RocksGt :Do you see the guy pushing a button?
Too much effort for me

Buy a cat or a wife or something and train it to do it
I have trained my wife to get up from bed half a hour before me so she can make coffee for me. Then I just look into her eyes using my copyrighted *doggiepuppystare* and voi'la: Coffee brought to bed!
Quote from Gekkibi :I have trained my wife to get up from bed half a hour before me so she can make coffee for me. Then I just look into her eyes using my copyrighted *doggiepuppystare* and voi'la: Coffee brought to bed!

I wake up an hour before my girlfriend so that technique don't suits me
Anyway... having trained her in cock sucking seems useful for me
Quote from RocksGt :I wake up an hour before my girlfriend so that technique don't suits me
Anyway... having trained her in laa-laa seems useful for me

What can be more important than fresh coffee delivered to bed..? Priorities!
Quote from Gekkibi :What can be more important than fresh coffee delivered to bed..? Priorities!

Snooker.
Quote from Gekkibi :What can be more important than fresh coffee delivered to bed..? Priorities!

Is this actually true? - The whole clockwise/anti-clockwise water thing?

I wasn't sure if it was a big piss take that people took seriously and now believe it.

I've never been to down south to find out for myself...

Sorry if I'm being a dumbass
It is not in the vast majority of circumstances involving draining water that most laypeople will ever see.
Quote from The General Lee :Is this actually true? - The whole clockwise/anti-clockwise water thing?

I wasn't sure if it was a big piss take that people took seriously and now believe it.

I've never been to down south to find out for myself...

Sorry if I'm being a dumbass

It´s not true.

It´s a big piss take that people took seriously and now believe it.

I´ve never been down south either but I´ve read the wikipedia article posted in this thread and seen the "Brainiac" episode where they tested this myth and found out it was completely random and the direction of waterflow had more to do with the shape of the sink instead of the hemisphere on which the sink is located.

No problem.
Our toilet sends water around the whole bowl, so it doesn't spin in any direction

So on the equator the two turn side-by-side in the opposite direction, making it to suck you up to a parallell universe...

So if you put a toilet on the northpole.. it'd blow in your face?
Quote from The General Lee :Is this actually true? - The whole clockwise/anti-clockwise water thing?

I wasn't sure if it was a big piss take that people took seriously and now believe it.

I've never been to down south to find out for myself...

Sorry if I'm being a dumbass

It IS true, fundamentally; water WILL tend to drain counterclockwise in the northern hemisphere, and clockwise in the southern hemisphere, but not necessarily in your toilet. The Coriolus effect does exist, and it does apply to water going down a drain, but in the case of a toilet (or other drains that you are likely to encounter), other circumstances have a much greater effect.

In other words, there IS a (very small) Coriolus effect in the draining behavior of your toilet, and your toilet may drain in a direction that seems to be explained by the Coriolus effect, but isn't - this being instead merely a coincidence; and it is perhaps equally likely that your toilet drains in a direction that is opposite to what would be expected from the Coriolus effect, since the Coriolus effect is of negligible magnitude in this situation. Again, quoting the Wikipedia article:

"When the water is being drawn towards the drain, the radius of its rotation around the drain decreases, so its rate of rotation increases from the low background level to a noticeable spin in order to conserve its angular momentum (the same effect as ice skaters bringing their arms in to cause them to spin faster). As shown by Ascher Shapiro in a 1961 educational video (Vorticity, Part 1), this effect can indeed reveal the influence of the Coriolis force on drain direction, but only under carefully controlled laboratory conditions. In a large, circular, symmetrical container (ideally over 1m in diameter and conical), still water (whose motion is so little that over the course of a day, displacements are small compared to the size of the container) escaping through a very small hole, will drain in a cyclonic fashion: counterclockwise in the Northern hemisphere and clockwise in the Southern hemisphere—the same direction as the Earth rotates with respect to the corresponding pole."

So, you should not expect that all toilets drain counterclockwise in the northern hemisphere; and you should not expect that, if you went south, you would find that all toilets drain in the opposite direction (although it would be slightly more efficient, I suppose, if toilets were constructed to behave in this way).
In short, it has no discernable effect on small bodies of water. And it has no discernable effect on large bodies of water either, as tides and thermal flows are of much greater magnitude.
I thought this was one those common knowledge pieces of uninteresting fact, like how east of Belgium cats will actually always land on their backs.
Quote from sinbad :I thought this was one those common knowledge pieces of uninteresting fact, like how east of Belgium cats will actually always land on their backs.

You'd think in the east they would land on their feet.. Being food and all..
Quote from sgt.flippy :You'd think in the east they would land on their feet.. Being food and all..

It's what has historically made them such easy pickings.
Quote from sinbad :It's what has historically made them such easy pickings.

Laizy bums..
I was wondering, what happens if you drain a sink symetrically split along the euquator?

Counter Clockwise FTW!
Quote from Rappa Z :I was wondering, what happens if you drain a sink symetrically split along the euquator?

Well, if the bowl is shaped like a half ball and we assume it's exactly in the middle of the equator... If you're in America, it spins counter-clockwise. If in Africa, clockwise. This is due to airflows caused by winds.
Quote from hyntty :This is due to airflows caused by winds.

I don't understand how winds affect me draining my bathtub.
Quote from wheel4hummer :I don't understand how winds affect me draining my bathtub.

A fart creates wind too.

Wind is everywhere around you.. Just not noticable, but it probably can affect water.
Quote from Gekkibi :Nach. I think this whole thread turned out to be one big fail.

Don't worry, it started life as one...
So can we take it off topic now?

Did you guys know I entered page 1 of the sadness ratings and I'm positioned right aboven Scawen?

Did you know we need a "Did you know" thread?

Did you know this thread helped a bunch!?
I live close to the Ecuator Line so when I unplug the sink the water goes almost straight :static:
i thought it had to do with the atmospheric pressure and the world spinning around?


Spin-direction of water
(51 posts, started )
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