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Ep. 378: Rutherford and Atoms

Podcast: Play in new window | Download (0.0KB) Physicists knew the interior of the atom contained protons, neutrons and electrons, but they didn’t understand exactly how they were organized. It took Ernest Rutherford to uncover our modern understanding. Download the show [MP3] | Jump to Shownotes...

Ep. 377: Thomson finds Electron

Podcast: Play in new window | Download (0.0KB) At the end of the 19th century, physicists were finally beginning to understand the nature of matter itself, including the discovery of electrons – tiny particles of negative charge that surround the nucleus. Here’s how J.J. Thompson separated...

Ep. 373: Becquerel Experiment (Radiation)

Podcast: Play in new window | Download (0.0KB) Antoine Henri Becquerel discovered radioactivity completely by accident when he exposed a chunk of uranium to a photographic plate. This opened up a whole new field of research to uncover the source of the mysterious energy. Download the show [MP3] | Jump...

Ep. 368: Searching for the Aether Wind: the Michelson–Morley Experiment

Podcast: Play in new window | Download (0.0KB) Waves move through a medium, like water or air. So it seemed logical to search for a medium that light waves move through. The Michelson-Morley Experiment attempted to search for this medium, known as the “luminiferous aether”. The experiment...

Ep. 362: Modern Women: Carolyn Porco

Podcast: Play in new window | Download (0.0KB) It hard to think of a more influential modern planetary scientist than Carolyn Porco, the leader of the imaging team for NASA’s Cassini mission exploring Saturn. But before Cassini, Porco was involved in Voyager missions, and she’ll be leading...

Ep. 361: Modern Women: Maria Zuber

Podcast: Play in new window | Download (0.0KB) Maria Zuber is one of the hardest working scientists in planetary science, being a part of six different space missions to explore the Solar System. Currently, she’s the lead investigator for NASA’s GRAIL mission. Download the show [MP3] | Jump...

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