Thomas Edison
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Philadelphia’s Centennial Exposition 1876: The World’s Fair That Changed Everything
Philadelphia played a defining role in the history of world fairs by hosting the Centennial Exposition, the first official world’s…
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A Philadelphia Inventor Was Among the First to Demonstrate Moving Images That Became the Precursor to Movies
In 1870, Philadelphia inventor Henry Heyl displayed among the first demonstrations of a projected moving picture, writes Avi Wolfman-Arent for…
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Clarity Is the Antidote to Uncertainty
We are living in crazy times and uncertain times. I was reading recently about John D. Rockefeller in his early…
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