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Physical Attraction

We are the podcast that explains ideas in physics, one chat-up line at a time. Not just a physics podcast, though - interviews with scientists, scholars, authors and reflections on the history and future of science and technology are all in the wheelhouse.

You can read about us here, contact us here and if you like what we do and want to help us keep doing it, you can donate here. You can subscribe to the Physical Attraction: Extra! Feed over at Patreon: - where for $2 per bonus episode, you can help to support the show, and get some juicy bonus content too. If you donate $2+ via the Paypal link, I can also send you a direct download link to a bonus episode of your choice. Just leave your email, and the episode you want. Bonus episodes released so far: Alien Attack, Part II (45m). 

May 18, 2018

If we manage to survive the Sun gradually heating up, though, there might be a bigger problem before the Sun runs out of hydrogen. See, Monty Python and the Galaxy Song have it right; our galaxy is only one of millions and billions in this amazing and expanding Universe.

Physics is stunning. The reason is that it exists on so many different scales. On impossibly small lengthscales, we have no idea what’s going on; things are strange, and weird, and quantum. Then we move up towards the scales of subatomic particles; then the world of atoms and molecules; the world of microscopy. The world of us, and the objects we know; and the world of mountains, the world of worlds. The world of stars, and solar systems; the galaxy of stars and stellar systems. The world of galaxies, and, who knows – maybe the world of Universes, too.


This is the story of what happens if we make it through everything; if we survive the 21st century, and all of the centuries beyond. What new risks can we anticipate?
And how - to the best of our understanding - does everything, inevitably end? 

Theme music:
Get Ready for the Apocalypse - Astrometrics

Incidental music: 

Julie Maxwells Piano Music, Starry Sky

Both available via the Free Music Archive