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Utilities puzzle mug

http://mathsgear.co.uk/products/utilities-puzzle-mug

by ColinWright • 13 years ago

10 4 13 years ago

MA

mathsgear.co.uk

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4

brownbat• 13 years ago

This can be solved on a torus, no?

Mgccl• 13 years ago

Yes. K_{3,3} can be embedded on a torus.

ColinWright• 13 years ago

To some extent, that's the point. People go "Oh! Three utilities - nice problem - excellent mug."

It's sometimes only much later that people go "Hang on! It can be solved on the mug!"

It's a cool mug.

coherentpony• 13 years ago

For anybody that doesn't know what's going on: https://en.wikipedia.org/wiki/Water,_gas,_and_electricity

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