How to teach greedy drinkers a lesson

You can give them a Pythagoras Cup. Sir Martyn Poliakoff, who could have been the model for the look of a stereotypical scientist, explains what it is and how it works.

That Pythagoras, such a kidder!


  1. EigenSprocketUK says

    Most side-loading washing machines have this arrangement for the fabric conditioner dispenser drawer. For the final rinse, it just pours water on top of the fabric conditioner until the whole thing drains out.
    I never knew that it was called a Pythagoras Cup. Interesting!

  2. Mano Singham says


    I noticed that this nice feature of flush toilets in the US is not used in Sri Lanka or New Zealand where the flushing action seems to depend entirely on the force of the water coming out of the cistern. I wonder why?

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