Human powered energy generators are on the rise and many different designs have been surfacing in the last year or so. This one uses an existing fun activity to produce some much needed energy.
Daniel Sheridan, a student in consumer product design, won three separate awards amounting to GBP 5,500 earlier this year for his see-saw design, which can create enough electricity to power a classroom by capturing the energy generated when children play on it.
What more can I say, brilliant idea, South Africans could do with a combination of sober entertainment & energy production all rolled into one.