Music fans at the ongoing Isle of Wight Festival (ongoing, to Sunday 16th) are taking part of an experiment, although not of a sonic nature. British cell phone company Vodafone is using the festival to try out the Power Pocket, a wearable gadget designed to power peripherals with body heat and movement. Now, that is some kind of amazing renewable energy!
As a concept, the idea of energy harvesting is hardly new. It comes from many similar ideas about other human needs – like food. Of course it is not feasible that everyone grows their own food because of the shortage of arable land. However, in the case of energy, we