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Source: Twitter

This Simple Filter Makes Seawater Safe To Drink

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Over two billion people in the world don’t have access to safe, clean drinking water. This leads to a lack of proper hygiene, the spread of many diseases, and premature death of kids growing up in developing countries. In order to increase clean water reach, Australian scientists have developed a cheap graphene material that can effectively filter salt and dirt from water.

Graphene is a material that has numerous useful properties, one of them being an ability to repel water. At the same time, it can absorb salt and dirty materials in water, essentially creating a filter. What's the problem? It can be expensive to create the material, and can use a lot of energy.