It’s easy to purify clear water: just put it in transparent bottles for a few hours in the sun. Muddy water — like that found in the developing world — is another issue. Now researchers have devised a simple way to get the mud out.
It’s easy to purify clear water: just put it in transparent bottles for a few hours in the sun. Muddy water — like that found in the developing world — is another issue. Now researchers have devised a simple way to get the mud out.