The founder of Microsoft has turned his attention to providing toilet facilities to 2.5 billion people.
While a lot of us take the availability of suitable toilets for granted in many countries there are no adequate facilities, a factor that contributes greatly to disease, pollution and countless deaths. To tackle this problem, the Bill and Melinda Gates Foundation are looking to discover a new design for the humble toilet - one that will work without needing a sewer and without needing to be plugged in to the mains.
To find their new toilet design, Gates ran a competition to give others the opportunity to invent something suitable in exchange for a grant to continue developing it. The team that won came up with a sophisticated device that was able to use solar power to turn waste in to hydrogen and fertilizer.
"As the winner of the Reinvent the Toilet challenge, the team gets another $100,000 to fine-tune the device, which is a bit more complicated than your ordinary pot."
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Source: Think Progress
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