How to Time Travel

How to Time Travel

From The Supermassive Podcast by The Royal Astronomical Society

December 23, 2025 · 55 min

About this episode

The episode explores the concept of time travel, its feasibility, and its portrayal in films.

Fire up your flux capacitor and dematerialise your Tardis because The Supermassive Podcast is traveling in time. Is it possible? How does it work? And, crucially, which films got the physics right (or wrong!)?  Thank you to Dr Emma Osborne from the University of York, and Dr Alfredo Carpinetti from IFLScience for their help on this episode. Alfredo's upcoming book,  Invisible Rainbows , will be available for pre-order soon.  Here's the  Time Travel in Fiction Rundown from Minute Physics Join  The Supermassive Club  for ad-free listening, forum access, and extra content from the team. And email your questions to podcast@ras.ac.uk or follow us on Instagram, @SupermassivePod . The Supermassive Podcast is a Boffin Media production. The producers are Izzie Clarke and Richard Hollingham. Hosted on Acast. See acast.com/privacy for more information.

People in this episode

Host: The Supermassive Podcast

Guests: Dr Emma Osborne, Dr Alfredo Carpinetti

Topics covered

  • time travel
  • physics
  • science fiction
  • films
  • theoretical physics

Keywords

  • time travel
  • flux capacitor
  • Tardis
  • physics in films
  • theoretical physics
  • science fiction

Mentioned in this episode

Organizations: University of York, IFLScience, Boffin Media, Acast

Books & works: Invisible Rainbows

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