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. Rain 2. PDVF membrane gives 3. electrical energy.
Sang-Kyun Park has created a pretty awesome way to navigate a rainy night, but I can see a wider… Continue
Added by Melissa Macey on March 20, 2010 at 12:02pm —
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