Celebrating The 60th Anniversary Of The First Practical Solar Cell — From Powering Ferris Wheels…
By John Perlin, author of Let It Shine: The 6000-Year Story of Solar Energy. Photo’s courtesy of AT&T archive. Sixty years ago on April 25, 1954, Bell Laboratories demonstrated to the world one of the most significant breakthroughs ever recorded in the history of solar energy and of electricity – the first solar … [continued]