No Idea

Myth busting: Coriolis in draining water

When David wrote to me and asked me to film a sink draining here in Sydney I obliged and was quite excited, until I actually filmed it:

In the back of my mind I sort of remembered that the direction water spins when it drains out of a sink or toilet is not actually determined by which hemisphere you are in. It is a popular myth that the Coriolis effect works on draining water. I guess I just watch too much Simpsons, it’s a shame though — my little trans-world science club with David will be disbanded before it really had a chance.

David, just for the sake of thorough non-science please send me your video.

October 22nd, 2007 

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