Michael Pritchard, from Ipswich (UK), has developed a water bottle that can purify water via a filter mechanism. The filter keeps away anything larger than 15 nanometers such as bacteria and viruses. It is not clear to me how other water pollutants are dealt with, in particular heavy metals and organic compounds.
With a price tag of 190 pound sterling, the bottle does not come cheap. But around 4000 liters of drinking water can be produced without replacing the filter.
With a price tag of 190 pound sterling, the bottle does not come cheap. But around 4000 liters of drinking water can be produced without replacing the filter.
(via digg)
