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Celebrating the 60th anniversary of the first practical solar cell

By CleanTechnica
Tuesday, April 8, 2014 7:27 EDT
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Celebrating The 60th Anniversary Of The First Practical Solar Cell — From Powering Ferris Wheels To Cities, & Beyond (via Clean Technica)

Sixty years ago on April 25, 1954, Bell Laboratories demonstrated to the world one of the most significant breakthroughs ever recorded…



 
 
 
 
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