Michael Pritchard's water filter turns filthy water drinkableToo much of the world lacks access to clean drinking water. Engineer Michael Pritchard did something about it -- inventing the portable Lifesaver filter, which can make the most revolting water drinkable in seconds. An amazing demo from TEDGlobal 2009. More VideosMichael Pritchard invents a water filter.Pattie Maes demos the sixth sense. Tim Brown on creativity and play. Return to Video Contents Back to Mint Innovation Mainpage |