The History of Physics Podcast

The episode follows the 1960s solar neutrino experiment that found only a third of the predicted flux, the subsequent international effort to understand the deficit, and how the discovery of neutrino oscillation forced a revision of the Standard Model. It traces the experiments—from Homestake to SNO—and shows why this puzzle remains pivotal for cosmology, astrophysics, and particle physics today.

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Explore how Michael Faraday’s simple coil experiment in 1831 revealed that changing magnetic fields generate electric currents, laying the groundwork for modern electromagnetism. From rival claims by Joseph Henry to Maxwell’s mathematical unification, this episode traces the discovery’s impact on technology and scientific thought.

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Explore how Galileo’s early spyglass uncovered Jupiter’s four moons and Venus’s true phases, overturning the Earth‑centric worldview and igniting the Copernican Revolution. The episode traces the telescope’s invention, its key observations, the scientific debates it sparked, and its lasting impact on astronomy and physics.

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During a total solar eclipse in 1919, Arthur Eddington measured starlight bending around the Sun—providing the first empirical confirmation of Einstein’s general relativity and reshaping our understanding of gravity as spacetime curvature. This episode traces the daring expedition, the technical hurdles, and the worldwide reaction that turned a fleeting observation into a cornerstone of modern physics.

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In 1935 Einstein, Podolsky, and Rosen sparked a debate that would reshape quantum theory. This episode traces how their spooky‑action paradox led to Bell’s theorem, experimental tests, and today’s quantum networks and cryptography.

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Discover how Archimedes’ simple water‑displacement test for a king’s crown gave rise to the principle of buoyancy, established early measurement standards, and set a precedent for experimental science that reverberates through modern physics and engineering.

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This episode follows Tycho Brahe’s observation of the 1572 nova in Cassiopeia, a moment that shattered the Aristotelian view of unchanging heavens and ushered in a new era of empirical astronomy. We trace how his meticulous measurements challenged centuries‑old cosmology, influenced the development of modern astrophysics, and set precedents for scientific method and data sharing.

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In this episode we trace how Vera Rubin’s meticulous measurements of spiral galaxies uncovered a flat rotation curve that contradicted Newtonian expectations, sparking the missing‑mass problem. We explore her experimental methods, the earlier hints from Fritz Zwicky, and the cosmic microwave background evidence that together forged the modern dark matter paradigm.

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Johannes Kepler’s 1609 discovery that planetary orbits are ellipses—driven by a tiny eight‑minute‑arc error—upended the Aristotelian notion of perfect circles and laid the groundwork for Newtonian gravity, modern astronomy, and even Einsteinian relativity. In this episode we trace how Kepler’s stubborn observation reshaped mathematics, theology, and the very language of motion.

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Explore how Aristarchus of Samos, using simple geometry and lunar eclipse observations, first dared to place the Sun at the center of the cosmos. The episode traces his calculations, the cultural resistance he faced, and how his forgotten heliocentric seed later germinated into Copernicus’s revolutionary model.

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