The e-charkha is an ingenious update to India’s ubiquitous charkha [spinning wheel] that transforms the simple machine into a potentially significant source of energy for millions of struggling ...
Scientists at Australia's RMIT investigating the massive untapped potential of wave energy have come up with a novel design for a convertor they say operates with far greater efficiency than ...
Designer Taikkun Li’s Prayer Wheel Energy Generator proves that praying can actually have immediate earthly benefits. Li’s device is essentially a Tibetan prayer wheel outfitted with used bicycle ...