Saving Water A Flush At A Time

Flushing toilets can consume a lot of water. So Tak-Sing Wong, a biomedical engineer at Penn State University, is trying to minimize how much is needed. Wong developed a slippery coating for the inside of a toilet bowl. In this encore episode, he tells us it can potentially move human waste more efficiently, leaving a cleaner bowl with less water.

Follow host Maddie Sofia on Twitter @maddie_sofia. Email the show at [email protected].

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