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Rational Thinker

Rational Thinker

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Rational Thinker is a podcast dedicated to exploring the rich and often surprising history of science — the discoveries, the debates, and the remarkable individuals whose curiosity and perseverance transformed our understanding of the world. From the revolutionary insights of the Scientific Revolution to the groundbreaking breakthroughs of the modern era, each episode examines the human stories behind the ideas that shaped civilization. I invite my listeners to look beyond the textbook and engage with science not merely as a collection of facts, but as an evolving, deeply human pursuit of truth. Whether you are a lifelong student of history, a science enthusiast, or simply someone who wonders how we came to know what we know, this podcast offers thoughtful, well-researched narratives that illuminate the minds and moments that moved science forward.2017-2026 Rational Thinker Science Sciences de la Terre
Épisodes
  • How Helium Was Discovered

    How Helium Was Discovered
    Jun 4 2026
    Helium is a very common element in our universe. However, due to its characteristics, it's very rarely found on Earth. This video shows how scientists in the 19th century overcame this obstacle, over the course of decades, and isolated and discovered the rare gas. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
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    8 min
  • How Relativity Was Validated

    How Relativity Was Validated
    May 28 2026
    For over two centuries, Newton’s law of gravity accurately predicted the motions of all the planets in the solar system. But that all changed in 1859, when French astronomer Urbain Le Verrier discovered a strange anomaly regarding mercury’s orbit. This led to a problem in Newton's reality that didn't have an answer until Albert Einstein proposed General Relativity in 1915. Einstein accurately modeled Mercury's orbit with GR, but it wasn't enough for his theory to be accepted as fact. He needed to predict a testable anomaly that had been previously unobserved, and one of his predictions was light bending around the Sun. In 1919, that prediction was put to the test, and what was found would make Einstein a worldwide celebrity practically overnight. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
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    22 min
  • How Absolute Zero Was Discovered

    How Absolute Zero Was Discovered
    May 14 2026
    Absolute zero is the theoretical limit to how cold temperature can reach. The quest to calculate the value of it started in the 1700s, but wasn't accurately done so until the mid 1800s by British physicist William Thomson. Hosted by Simplecast, an AdsWizz company. See https://pcm.adswizz.com for information about our collection and use of personal data for advertising.
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    9 min
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