26 incredible innovations that improved the world in 2015, Source: Mashable.com, Dec 2015.
- 1 – The machine that converts poop into clean drinking water
- 7 – 3D-printed rotors that freeze seawater into drinking water
- 10 -The laundry device that lets washers reuse water for months
- 15 – A simple toolkit to help girls wash and dry reusable pads
- 17 -The eco-friendly brick that could revolutionize India
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