Podcast: Ashok Gadgil's thirst to save lives (part 1)
Not everyone in the world has access to clean water. Ashok Gadgil's UV Waterworks can purify water quickly and cheaply using ultraviolet light. His invention has helped prevent disease in his native India and throughout the developing world, where clean water is a luxury.

If you like "Prototype Online: Inventive Voices" why not subscribe? Copy this URL into your podcast software: http://invention.smithsonian.org/ podcasts/prototype.rss or click here if you have iTunes. And while you listen, browse other podcasts in the series by clicking here.
"Prototype Online: Inventive Voices" is a production of the Smithsonian's Lemelson Center. Written and hosted by Paul Rosenthal. Audio production by Benjamin Bloom. Theme music by Will Eastman. Art Molella, executive producer. Ashok Gadgil was originally interviewed on 28 August 1998 by Michael Judd, former Lemelson Center educator; podcast released 10 May 2006.