Demo: A filter that makes filthy water drinkable

JANUARY 18, 2015

CLASSIC TED TALK Michael Pritchard: How to make filthy water drinkable 09:31 minutes · TEDGlobal 2009 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 2009. Watch now »     PLAYLIST OF THE DAY 7 talks on social change Educator and activist Geoffrey Canada chooses powerful talks that address the cycles of poverty and gender violence, and offer bold suggestions for change. Watch » 7 TED Talks · Total run time 1:45:26