“We designed and implemented a human-powered generator which could provide large electricity by using and measured a human metabolic energy expenditure needed to operate it.“ – explain researchers Yoon-Ho Lim, Jeong-Jin Yeo, Mun-Ho Ryu and Yoon-Seok Yang of Chonbuk National University, Korea, who have, between them, developed a hula-hoop inspired human-powered electric generator. Their experimental […]