Pine tree branch for water filtration

MIT: For Clean Drinking Water, All You Need is a Stick

A new report by MIT researchers suggests that if you run out of drinking water in the woods, all you need to do is to break off a branch from the nearest pine tree. Next pour lake water through the branch and this low-tech filtration system can produce up to four liters of drinking water a day. A small piece of sapwood is reportedly able to filter out more than 99% of the bacteria E. coli due to the size of the pores in the xylem tissue.

About janpenguin

Email: janpenguin [at] riseup [dot] net Every content on the blog is made by Free and Open Source Software in GNU/Linux.
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