The Fixed Earth

[greatkraw]

There has never been a physical test that proves the earth is moving, all scientific physical tests on the earth only prove a stationary earth.

That is simply a false statement. There is a very subtle experiment using a pendulum and a trickle of sand which proves the earth rotates.

Apart from that you only need to go to each hemisphere and flush the toilet.

 

[greatkraw]

All scientific experiments prove a non-moving earth just like the Bible says it is fixed and established so that it cannot be moved. The earth is stationary, the sun the moon, the planets and all the stars of heaven revolve around the earth, except the polaris north star which does not move because of itis postion at the top axis of the known universe.

And I thought your British Israelism was Loony Toons!!! lol

 

[MahogonySnail]

Apart from that you only need to go to each hemisphere and flush the toilet.

The rotation of the earth is too small to be seen in water flowing down drains, toilet bowls etc.

 

[Graybeard]

The rotation of the earth is too small to be seen in water flowing down drains, toilet bowls etc.

I think what greatkraw means is that in the southern hemisphere when you flush the toilet the rotation of the earth will cause the vortex to rotate anti clockwise and in the northern hemisphere it will rotate clockwise.

 

[MahogonySnail]

Yes and that's a myth, because the rotation of the earth is too weak to affect the rotation of small and short-lived vortices in toilet bowls and drain pipes. Water can rotate in either direction in either hemisphere due to the direction that the water flows into the bowl and the bowl shape etc.

 

[greatkraw]

This is actually an urban myth.

I have lived in both hemispheres. Never mind flushing the toilet.

When I let the plug out of the sink the water invariable spirals in a consistent direction depending on which hemisphere.

We have enough members here. Let us do a survey. Please fill a sink or bath then let out the plug.

 

[Graybeard]

Yes and that's a myth, because the rotation of the earth is too weak to affect the rotation of small and short-lived vortices in toilet bowls and drain pipes. Water can rotate in either direction in either hemisphere due to the direction that the water flows into the bowl and the bowl shape etc.

no it cannot...if the vortex rotates anti clockwise in a fairly large body of water, like a bath tub full of water, force the rotation to rotate clockwise and you will see that it will after a little while begin to rotate to its natural direction..anticlockwise (reverse this if done in the northern hemisphere)

 

[Graybeard]

This is actually an urban myth.

I have lived in both hemispheres. Never mind flushing the toilet.

When I let the plug out of the sink the water invariable spirals in a consistent direction depending on which hemisphere.

We have enough members here. Let us do a survey. Please fill a sink or bath then let out the plug.

how can you say it is a myth when you are the one that brought it up

 

[greatkraw]

no it cannot...if the vortex rotates anti clockwise in a fairly large body of water, like a bath tub full of water, force the rotation to rotate clockwise and you will see that it will after a little while begin to rotate to its natural direction..anticlockwise (reverse this if done in the northern hemisphere)

Thank you Graybeard.

 

[MahogonySnail]

Ah no, the coriolis force is very weak. It is observed only in water which has been sitting for long enough time, and even then the geometry of the sink or basin has to be right. You can read about this myth here:
http://en.wikipedia.org/wiki/Coriolis_effect

or here:

http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html

just google it you'll see.

It really only affects things the size of hurricanes, the physics doesn't work out for an average basin or toilet to claim it is due to the earth rotation. Unless your bathtub is a few hundred or so kilometres in size, it's not going to be determining the direction of water flow.

 

[Graybeard]

Ah no, the coriolis force is very weak. It is observed only in water which has been sitting for long enough time, and even then the geometry of the sink or basis has to be right. You can read about this myth here:
http://en.wikipedia.org/wiki/Coriolis_effect

or here:

http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html

just google it you'll see.

It really only affects things the size of hurricanes, the physics doesn't work out for an average basin or toilet to claim it is due to the earth rotation.

Then what is the explanation of this phenomena in basins/tubs/pool piers etc if not caused by the earths rotation?

 

[MahogonySnail]

If you read the second link I gave it explains it all.

 

[greatkraw]

That was my point. It is a myth that the phenomenon does NOT happen.

 

[Graybeard]

If you read the second link I gave it explains it all.

just read it and I will have to experiment myself because if what the link says is true, then surely by the law of averages I should get a 50/50 result...not so?
but then explain what I said in my previous post

if the vortex rotates anti clockwise in a fairly large body of water, like a bath tub full of water, force the rotation to rotate clockwise and you will see that it will after a little while begin to rotate to its natural direction..anticlockwise (reverse this if done in the northern hemisphere)

 

[MahogonySnail]

Of course it happens but in a regular bathtub or toilet it's not the main cause of which way the water flows. The water flows down your sink at a high rate in short period of time, but the rotation of the earth is only once per day. The longer rotation earth is not going to be a major force compared to the other factors at play. A better example to use to show earth rotation is hurricanes.

 

[greatkraw]

It is important to remember thet the surface of the Earth at the equator is moving at 1000 feet per second.

It would be interesting to time some experiments at different latitudes.

 

[MahogonySnail]

just read it and I will have to experiment myself because if what the link says is true, then surely by the law of averages I should get a 50/50 result...not so?
but then explain what I said in my previous post

It won't be 50/50 obviously if your basin is not symmetrical etc, I believe the website gives details on how to do a proper experiment, then I guess you might get 100% in the right direction of what hemisphere you are in.

 

[Graybeard]

Of course it happens but in a regular bathtub or toilet it's not the main cause of which way the water flows. The water flows down your sink at a high rate in short period of time, but the rotation of the earth is only once per day. The longer rotation earth is not going to be a major force compared to the other factors at play. A better example to use to show earth rotation is hurricanes.

but that still does not explain why vortexes in the opposing hemispheres act the way they do consistantly

 

[MahogonySnail]

http://geography.about.com/od/physicalgeography/a/coriolis.htm
Myth of the Coriolis Effect

One of the biggest misconceptions associated with the Coriolis effect is that it causes the rotation of water down the drain of a sink or toilet. This is not truly the cause of the water's movement. The water itself is simply moving too fast down the drain to allow for the Coriolis effect to have any significant impact.
Though the Coriolis effect does not in fact influence the movement of water in a sink or toilet, it does have a an impact on wind, the ocean, and other items flowing or flying over the earth's surface, making the Coriolis effect an important component of the understanding of many of physical geography's most important concepts.

 

[MahogonySnail]

but that still does not explain why vortexes in the opposing hemispheres act the way they do consistantly

How consistent is it? I've just run water down the sink and its 2 times clockwise and 3 times went clockwise.