DIY Water Filter Could Keep You Alive in a Pinch

Water Filter Made from a Tree Branch Removes 99% of E. coli Bacteria (via Ecopreneurist)

A low-tech water filter system made from a branch of a tree can filter up to four liters of water per day, removing up to 99% of E. coli bacteria and producing fresh, uncontaminated, drinking water. A team at MIT used a small piece of sapwood, which…


 

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