You must have access to a toilet with water that spins as it drains when the toilet is flushed.  Flush the toilet and make a note of whether the water spins clockwise or counterclockwise.  Then either email me the result or write down the result on a piece of paper and turn it in by Friday (be sure to include your name).  No photographs please.  And let me know if you'd prefer to receive extra credit (0.1 pts) or a green card.

Many of the toilets on campus won't work.  The water doesn't spin, there is just a sudden whoosh as the water is forced down the drain.

Here are 3 of the responses I got from a previous class.