How to Time Travel

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

You can listen to How to Time Travel online on Radio and Podcast. Open the player on this page to stream the available audio.

How to Time Travel is an episode from The Supermassive Podcast by Izzie Clarke.

This episode is 54:49 long.

This episode was published on Dec 23, 2025.

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