[Offtopic] 'Water down the plughole' international experiment

Royce Williams Royce.Williams at billanook.vic.edu.au
Tue Aug 19 10:54:21 EST 2008

Here is a good reference I use all the time

Plus this is the internet .. I have written this in a Forum therefore it is now true even if it wasn't before

And Double Plus True ..
Storm etc phenomena are much larger and over a longer time from than water going down a plug hole.

And as the last statement from the Ministry of Truth

"There are Lies damm lies and statistics"

Royce  Williams
Billanook Alligator Farms
Catch Your own Handbag

-----Original Message-----
From: offtopic-bounces at edulists.com.au [mailto:offtopic-bounces at edulists.com.au] On Behalf Of victor rajewski
Sent: Tuesday, 19 August 2008 10:02 AM
To: Information Technology Teachers' Offtopic Mailing List
Subject: Re: [Offtopic] 'Water down the plughole' international experiment

On Tue, Aug 19, 2008 at 12:23 AM, Royce Williams <Royce.Williams at billanook.vic.edu.au> wrote:
> I am sure that this has been tested to death already and is an urban
> myth

And your source for this is?

It may well be, but there is an element of truth in it. Cyclones/hurricanes/storm systems tend to spin one direction in the northern hemisphere, the other direction in the southern. The Coriolis effect can also be seen in Foucault's pendulum experiment. It is _probably_ not a significant enough force to noticably effect water down the drain, but there's one way to find out - that's what the scientific method is, and together with a simpsons reference, this would be a great lesson on it for the students. For that matter, although the force might be very small, it might be significant over a large number of trials, presenting itself via a statistical analysis rather than appearing in every trial. Maybe that's what this experiment is trying to find. And if it isn't, then it should be :)

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