Scientists sent people to the moon. Can they reinvent the toilet?

Shannon Yee, a Georgia Tech engineering professor, was in South Africa in August looking over sanitation systems and prototypes of self-contained toilets that process the waste inside the units. Courtesy of Shannon Yee

A globe-trotting team of researchers have been given a $13.5 million budget and 39 months to sort through the prototypes and remaining challenges of the Gates Foundation Reinvent the Toilet Challenge.

The Atlanta Journal-Constitution