Bill Gates had no qualms with drinking water that - minutes earlier - was sewage, but could he convince someone like Tonight Show host Jimmy Fallon to do the same?
The segment, which aired on NBC the other night, aimed to bring awareness to the Bill & Melinda Gates Foundation and the progress they've made over the past 15 years.
The snippet embedded above highlights a device called the Omniprocessor which is able to take human waste and convert it into clean drinking water and spare electricity through the clever use of a steam engine.
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