Umbrella lights the way
LightDropslooks like an ordinary umbrella but don't let that fool ya. There'smore than meets the eye here. As water pours over the surface,potential energy from raindrops slamming onto the conductive membranecalled PDVF transforms into electrical energy powering embedded LEDssending your umbrella ablaze with light. The heavier the rain, thebrighter the light to help you see your way.
Source: yankodesign.comAdded: 6 January 2009