rain power

Lightdrops Umbrella is Powered by Rain

I found this new umbrella design (by Sang-Kyun Park) through searching in Iconocast.com
This umbrella uses the energy from rain drops falling on its surface to turn on LED lights. The rain drops energy is harvested as kinetic energy- the heavier the rain the brighter the light. The umbrella surface is made from
polyvinylidene fluoride (PVDF).

Not only do we waste water on a regular basis, it seems we also waste its potential to create energy.

What if an entire roof top was created in a similar way? We could be lighting our lives with PVDF roof tops.
rainlightdrops

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