In what seems like a very futuristic take on a biblical tale, Bill Gates has found a way to turn human faeces into water.

His Gates Foundation has helped fund the Omniprocessor project, which converts sewage sludge into water and electricity. Designed and built by Janicki Bioenergy, the machine uses steam powered technology to capture and filter the water vapours of boiled human waste .

Gates is so confident in the design he has released footage of himself drinking water made from human faeces.

The next step for the project is a pilot in Senegal - and while things look positive, Gates has warned it could be years before the processor is used widely.

"The history of philanthropy is littered with well-intentioned inventions that never deliver on their promise. Hopefully, these early steps will help us make sure the Omniprocessor doesn’t join the list. If things go well in Senegal, we’ll start looking for partners in the developing world," he writes in his blog.

If the project is successful, it could help some of the 768 million people on the planet who do not have access to clean drinking water. Watch Gates explaining more about the project in the video below:

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