Share 'AN umbrella that lights up?'

So here's an innovation: An umbrella that takes the kinetic energy from raindrops hitting a conductive membrane called PDVF and transforms that energy into electrical energy powering embedded LEDs.1. Rain2. PDVF membranegives 3. electrical energy.Sang-Kyun Park has created a pretty awesome way to navigate a rainy night, but I can see a wider potential application, if the size of the membrane coul…