Thursday, 15 Jul 2021 11:30 AM MYT BY SYLVIA LOOI Urban and environmental engineering professor at Ulsan National Institute of Science and Technology (UNIST) Cho Jae-weon has invented a way to convert human waste into power. ― Reuters pic Follow us on Instagram and subscribe to our Telegram channel for the latest updates. KUALA LUMPUR, July 15 ― A South Korean university professor has devised a way to convert human waste into power. To make it worthwhile, Cho Jae-weon, an urban and environmental engineering professor at Ulsan National Institute of Science and Technology (UNIST) even came up with a virtual currency, Ggool, which means honey in Korean, and pays users, mostly students, 10 Ggool to use the toilet.