A new type of solar panel made with pigment from blueberries has been developed in Italy at the University of Tor Vergata.  This new technology may be used to manufacture inexpensive solar panels, which means the cost per watt for solar panels can be reduced significantly below the current $5 per watt cost of silicon-based solar panels.

Solar cells are currently made primarily with silicon based semiconductors, which are still relatively expensive to manufacture, and which limit their application.  As fossil fuel power becomes more costly both in economic and environmental terms, and solar power becomes less expensive, solar power will see more widespread use.

For more information see http://www.coolest-gadgets.com/20061213/solar-panels-using-blueberries/

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