Episode 388 - Cleaning, drinking and shaping water
Making water safe to drink, from evaporation to treatment. How do you simply evaporate water to make it safe? A piece of aluminium and a laser can hold the key to providing cheap and safe drinking water to the world. Pharmaceutical waste can build up in waster water, so how can it be treated? How can two little electrodes deal with the problem of pharmaceutical waste in water? Changing the course of a river can have huge consequences. What can we learn by studying the changes caused by the Panama Canal?
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