In other green tech and design news, Hitachi unveiled an impressive new wireless controlled robot to help with the Fukushima Daiichi cleanup and London-based designers Martin Riddiford and Jim Reeves developed the GravityLight, an amazing low-energy, battery-free light that works by harnessing the powerof weight and gravity.
And there is no indication that the reason why decaying dams are found at each point where the town brook falls ten feet is because there used to be a dozen factories on its banks using the gravitypowerof falling water to turn out a variety of industrial products.