Another lecture at the Chemistry Society - this time on water. A fascinating talk about the difficulties of monitoring water quality, when anything more sophisticated than the simplest of sensors in prohibitively expensive and therefore impractical. Professor Dermot Diamond is a good lecturer, with an excellent speaking voice, and his talk was very much aimed at the laymen, rather than the expert. He started the lecture with a story about a burst water main, and then went on to talk about the importance of good water supplies throughout history, and also the problems involved in ensuring the quality.
One small interesting snippet - in Dublin, they can judge the cocaine consumption in the city from measuring the drugs in the sewage!
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