23 August Michael Pritchard's water filter turns filthy water drinkable | Ted Talks Written by admin Too 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... Read More August 23, 2009 lifesaver filter, purification, water, water-delivery Technology Leave a Comment