Question:  I just saw an article about solar roadways, where the asphalt pavement is replaced by solar panels.  The inventor claims if every highway were repaved with solar panels, it would generate enough power for the entire country.  http://www.gizmag.com/solar-panel-roads/12780/

Answer:  This topic is a bit beyond the scope of this blog, but I'll post it because it is such an exciting sounding idea.  It appears there is a lot of materials science research to be done.  The article does not ...
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