MIT engineers make filters from tree branches to purify drinking water
Prototypes tested in India show promise as a low-cost, natural filtration option. The interiors of nonflowering trees such as pine ...
Read morePrototypes tested in India show promise as a low-cost, natural filtration option. The interiors of nonflowering trees such as pine ...
Read moreXylem tissue in gymnosperm sapwood can be used for water filtration (as seen on top). Xylem is comprised of conduits ...
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