Ep. 383: Approaches to Absolute Zero

Podcast: Play in new window | Download (0.0KB) The coldest possible theoretical temperature is Absolute Zero, this is the point at which no further energy can be extracted from a system. How are physicists working to get as close as possible to this extreme cold? Download the show [MP3] | Jump to...

random posts

Questions Show: Decelerating Black Holes, Earth-Sun Tidal Lock, and the Crushing Gravity of Dark Matter

subscribe to rss

Ep. 382: Degenerate Matter

Posted by susie on Jul 6, 2015

Podcast: Play in new window | Download (0.0KB) In some of the most extreme objects in the Universe, white dwarfs and neutron stars, matter gets strange, transforming into a material that physicists call “degenerate matter”. Let’s learn what it is, how it...

Ep. 381: Hollowing Asteroids i...

Posted by susie on Jun 23, 2015

Podcast: Play in new window | Download (0.0KB) When we finally make the jump to fully colonizing the Solar System, we’re going to want to use asteroids as stepping stones. We can use them as way stations, research facilities, even as spacecraft to further...

Ep. 380: The Limits of Optics

Posted by susie on Jun 15, 2015

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...

Posted by susie on Jun 15, 2015

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

Posted by susie on Jun 8, 2015

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...

Posted by susie on Jun 8, 2015

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...

Posted by susie on May 25, 2015

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...

Posted by susie on May 19, 2015

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...

Posted by susie on May 4, 2015

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...

- Browse the Archive -

Episode List

Ep. 383: Approaches to Absolute Zero

Ep. 382: Degenerate Matter

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