Submission + - Researchers develop "tea bag" water filter (bbc.co.uk)
cybernanga writes: A group of researchers in South Africa has developed a filter that can purify water straight from the bottle.
It sits inside a tube that can be fitted on top of a bottle and purifies water as it is poured on a cup.
It sits inside a tube that can be fitted on top of a bottle and purifies water as it is poured on a cup.
