Students at the University of Virginia have developed a new way of purifying water that they say could bring improved water quality for millions in the developing world. It’s called a Madi Drop. Field testing begins this month in South Africa.
The lab operates like a kitchen. They add several ingredients. Then they mix, weigh, press and bake them.
What’s created is called a MadiDrop – a ceramic disc infused with silver.
When dropped in water, silver ions, which are atoms …
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