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A clock, designed and built in Europe, ran hopelessly at the wrong rate when brought to America. The physics of gravity explains why.

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Time travel — Is it possible

Grandfather Clocks and the Big Bang

Albert Einstein, in his own words NSF - National Science Foundation

Your Work Peak Is Earlier Than You Think - The Atlantic

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What Einstein would think of Pi Day, and how he crossed paths with Oppenheimer

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The physics of why the first clock in America failed - Big Think

Book Briefing: 'Hidden Potential' by Adam Grant

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