I'm pretty certain a whirlpool forms because it stabilizes itself naturally that way, not because of the earths rotation. But I could be full of shit.
mmmmmm I think you're pulling my leg, but I'll take your word for it until somebody proves otherwise.
Daisy is over simplifying it. It sloshes due east during the day and due west at night. It only falls straight down the drain at the exact moments of sunrise and sunset.
According to an article I just read online in USA Today The Coriolis Effect is zero at the equator Hotwater
I was about to say that. The way water drains has nothing to do with the Coriolis effect. It has to do with factors such as the shape of the drain. http://www.straightdope.com/columns...n-counterclockwise-in-the-northern-hemisphere http://en.wikipedia.org/wiki/Coriolis_effect
Then there's the sniglet 'the Cherios effect'. That's the phenomenon whereby the last few Cheerios in the bowl all huddle together as if to save themselves from being eaten. .
It has something to do with surface tension. http://en.wikipedia.org/wiki/Cheerios_effect But I still say it's those litter buggers trying to save themselves from being eaten. .