Talk About Renewable Energy: Toilet Turns Excrement Into Power AND Currency

A professor at the Ulsan National Institute of Science and Technology (UNIST) in South Korea basically turned led into gold. The toilet he created uses human feces “to produce biogas and manure.” Not only that, every person using it gets paid in “a virtual currency called Ggool, which means honey in Korean.” That’s right, this […] дальше »