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Ep. 380: The Limits of Optics

Ep. 380: The Limits of Optics
Podcast: Play in new window | Download (0.0KB) Astronomers rely on the optics of their instruments, and there are some basic limits that you just can’t avoid. Whatever we look at is distorted by the optics, in fact, a basic property of light means that...

Ep. 379: Fermi’s Atom Sp...

Ep. 379: Fermi’s Atom Splitting
Podcast: Play in new window | Download (0.0KB) When he wasn’t puzzling the mystery of alien civilizations, Enrico Fermi was splitting atoms. He realized that when atoms were split, the neutrons released could go on and split other atoms, creating a chain...

Ep. 378: Rutherford and Atoms

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...

Ep. 377: Thomson finds Electro...

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....

Ep. 376: The Miller-Urey Exper...

Ep. 376: The Miller-Urey Experiment
Podcast: Play in new window | Download (0.0KB) Evolution explains how life adapts and evolves over eons. But how did life originate? Chemists Miller and Urey put the raw chemicals of life into a solution, applied an electric charge, and created amino acids...

Ep. 375: The Search For Life i...

Ep. 375: The Search For Life in the Solar System
Podcast: Play in new window | Download (0.0KB) With the discovery of water ice in so many locations in the Solar System, scientists are hopeful in the search for life on other worlds. Guest Morgan Rehnberg returns to Astronomy Cast to explain the best places we...

Ep. 374: Stern-Gerlach Experim...

Ep. 374: Stern-Gerlach Experiment
Podcast: Play in new window | Download (0.0KB) In the world of quantum mechanics, particles behave in discreet ways. One breakthrough experiment was the Stern-Gerlach Experiment, performed in 1922. They passed silver atoms through a magnetic field and watched how...

Ep. 373: Becquerel Experiment ...

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...

Ep. 372: The Millikan Oil Drop

Ep. 372: The Millikan Oil Drop
Podcast: Play in new window | Download (0.0KB) In 1909 Robert Millikan devised an ingenious experiment to figure out the charge of an electron using a drop of oil. Let’s talk about this Nobel Prize winning experiment. Download the show [MP3] | Jump to...

- Browse the Archive -

Episode List
  • Ep. 381: Hollowing Asteroids in Science and Fiction
  • Ep. 380: The Limits of Optics
  • Ep. 379: Fermi’s Atom Splitting
  • Ep. 378: Rutherford and Atoms
  • Ep. 377: Thomson finds Electron
  • Ep. 376: The Miller-Urey Experiment
  • Ep. 375: The Search For Life in the Solar System
  • Ep. 374: Stern-Gerlach Experiment
  • Ep. 373: Becquerel Experiment (Radiation)
  • Ep. 372: The Millikan Oil Drop
  • Ep. 371: Eddington Eclipse Experiment
  • Ep. 370: The Kaufmann–Bucherer–Neumann Experiments
  • Ep. 369: The Fizeau Experiment
  • Ep. 368: Searching for the Aether Wind: the Michelson–Morley Experiment
  • Ep. 367: Spitzer does Exoplanets
  • Ep. 366: HARPS Spectrograph
  • Ep. 365: Gaia
  • Ep. 364: The COROT Mission
  • Ep. 363: Where Did Earth’s Water Come From?
  • Ep. 362: Modern Women: Carolyn Porco
  • Ep. 361: Modern Women: Maria Zuber
  • Ep. 360: Modern Women: Jocelyn Bell Burnell
  • Ep. 359: Modern Women: Margaret Geller
  • Ep. 358: Modern Women: Sandra Faber
  • Ep. 357: Modern Women: Vera Rubin
  • Ep. 356: Rotational Inertia
  • Ep. 355: Maker Space: 3D Printing Exploration
  • Ep. 354: Comet Siding Spring vs. Mars
  • Ep. 353: Seasons on Saturn
  • Ep. 352: Water, Water Everywhere!
  • Special Episode: Live from DragonCon 2014!
  • Ep. 351: Asteroid Adventures
  • Ep. 350: Space Ship One
  • Ep. 349: Mercury 7 and How the US Picked the First Astronauts
  • Ep. 348: Places with Numbers: 2 Independence Sq (NASA HQ)
  • Ep. 347: Live from Balticon!
  • Ep. 346: Numbered Places: Area 51
  • Ep. 345: Numbered Places: Launch Complex 39
  • Ep. 344: The Rings of Saturn
  • Ep. 343: The Universe is Trying To Kill You
  • Ep. 342: Sunsetting Spacecraft
  • Ep. 341: 45th Lunar and Planetary Science Conference
  • Ep. 340: Wernher von Braun
  • Ep. 339: Space Conspiracy Theories
  • Ep. 338: Copernicus
  • Ep. 337: Photometry
  • Ep. 336: Units of Measure
  • Ep. 335: Photoelectric Effect
  • Ep. 334: Chelyabinsk
  • Ep. 333: When Worlds Collide
  • more ...
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