The residents of St. Pauli, a party district in Hamburg, Germany, were fed up with drunk revelers urinating on the sides of their buildings, so they turned to science to stop the behavior. Painting the most peed-upon areas with an extremely hydro-phobic coating effectively turned the walls into reflectors, bouncing the urine right back onto the culprits. Jeff and Anthony applaud the ingenuity, and wonder how many other problems can be solved this way.

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