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As we noted a couple weeks ago in a guest post from John Perlin, author of Let It Shine: The 6000-Year Story of Solar Energy, we’re coming up on the 60th birthday of the solar cell. “On April 25, 1954, scientists at Bell Laboratories demonstrated the most significant breakthrough in the history of solar energy — a solar cell capable of directly converting enough sunlight into electricity to generate useful amounts of power,” Renewables100 writes.

Below is a video of that special occasion.

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