PotaVida member Charlie Matlack is interviewed on The Conversation with Ross Reynolds today, Wednesday, December 22nd on Seattle's NPR station: KUOW 94.9 FM.

"Students Win Prize For Clean Water Testing: A team of UW students invented a device that shows if water is safe to drink. The tool is called PotaVida, and the students were awarded $40,000 from the Rockefeller Foundation to manufacture it."

Listen at KUOW.ORG You can fast forward to 9m55s in the MP3 version.