Making Money from Waste

Recently, some crazy scientists in Bristol, UK have discovered how to charge their smartphones with their own pee. By using micro-organisms which feed off their urine and generate electrons as a by-product, they have managed to produce enough electricity to charge a phone or power some lights. Although we can question the utility of this technology, considering the very small amount of energy produced, there may still be method to these scientists’ ‘madness’. People generate millions of tonnes of waste every day, and with rapid urbanization and population growth, this will only increase.

 

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