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Spray-On Solar Cells Could Supercharge Your Windows

Installing solar panels on the roof of buildings has become very en vogue recently.  But in a few years charging up your home might be cheaper and easier than ever.

The Norwegian company EnSol AS has developed a thin, transparent solar film that can be sprayed onto windows and other surfaces, rendering them able to absorb the sun’s energy just as efficiently as solar panels.

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Solar Cells from Bioluminescent Jellyfish

Swedish researchers are making photovoltaic technology come alive – literally. Zackary Chiragwandi and his colleagues at Chalmers University of Technology have found a way to create cheaper solar cells using special proteins harvested from bioluminescent jellyfish.

These glowing proteins, known as green florescent proteins (GFP), are inserted between two aluminum electrodes, where they form strands connecting the two plates. When exposed to UV light, the GFP generates current by absorbing photons and emitting electrons.

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