“A young inventor is hoping to tap the unbounded energy of children in a playground to power schools in Africa. Design student Daniel Sheridan has created a simple see-saw which generates enough electricity to light a classroom.” (BBC News reports)
“A young inventor is hoping to tap the unbounded energy of children in a playground to power schools in Africa. Design student Daniel Sheridan has created a simple see-saw which generates enough electricity to light a classroom.” (BBC News reports)