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Sharing 4 videos about Gates Foundation

The powder that can turn sludge into clean drinking water

Rion NakayaFebruary 18, 2019October 12, 2021

Hydrophobic metal made with laser-etched microscopic patterns

Rion NakayaJanuary 23, 2015June 2, 2021

Turn human waste into drinking water – Janicki Omniprocessor

Rion NakayaJanuary 8, 2015October 12, 2021

Poop Guy: A dad who is revolutionizing sanitation in Pune, India

Rion NakayaMarch 25, 2014June 23, 2023