How To Prove You're A Time Traveller

The Rest Is Science

Goalhanger

Physics, Science, Mathematics

4.5 • 1K Ratings

🗓️ 22 April 2026

⏱️ 52 minutes

🔗️ Recording | iTunes | RSS

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Summary

How do you convince people you aren't a witch if you travel back in time, and where can you actually find something decent to eat when you're there? Professor Hannah Fry and VSauce, Michael Stevens, tackle the most practical and delicious logistics of surviving a trip through history. Check out one of Hannah's favourite chemistry YouTube channels - https://www.youtube.com/@cnliziqi ------------------- For more information about Cancer Research UK, their research, breakthroughs and how you can support them, visit ⁠⁠https://cancerresearchuk.org/restisscience⁠⁠ Cancer Research UK is a registered charity in England and Wales (1089464), Scotland (SC041666), the Isle of Man (1103) and Jersey (247). A company limited by guarantee. Registered company in England and Wales (4325234) and the Isle of Man (5713F). Registered address: 2 Redman Place, London, E20 1JQ. ------------------- Find The Rest Is Science all over the internet by ⁠⁠clicking here.⁠⁠ ------------------- Video Producer: Adam Thornton + Oli Oakley + Jack Meek Animator: Sam Benson Video & Social: Bex Tyrrell Assistant Producer: Lucy Lipscombe Producer: Simona Rata Senior Producer: Lauren Armstrong-Carter Head Of Digital: Samuel Oakley Exec Producer: Neil Fearn Learn more about your ad choices. Visit podcastchoices.com/adchoices

Transcript

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0:00.0	Welcome to the rest of science. I'm Hannah Frye.
0:03.0	And I'm Michael Stevens.
0:05.0	And this is Field Notes, which is the part of the week where Michael and I are supposed
0:11.0	to take a bit easier to turn up and just answer your questions and show each other an object
0:15.0	and have a lovely old time. And frankly, you guys don't notice the amount of effort that we put in in the other one, because you like this one just as much.
0:24.2	Well, you know what?
0:25.3	It's the magic that we have, Hannah.
0:28.4	We should try to do something really boring.
0:31.0	Like, how few views can we get on a podcast episode?
0:35.7	Make that the challenge.
0:36.9	Yeah.
0:37.4	See what we can optimize for. We could do just like a clip episode. Make that the challenge, yeah. See what we can optimize for.
0:39.0	We could do just like a clip show, like not a best of clip show, but a worst of clip show.
0:45.9	The moments where jokes fell flat, where we said something kind of wrong.
0:52.4	Unfortunately, it's not going to be today because it's absolutely jam pack full of amazing stuff.
0:56.9	I know.
0:57.3	Today's is actually good.
0:59.0	Today, I want to show off a tool I invented that helps solve a problem that will never happen.
1:04.9	We've done something a bit different today.
1:06.2	We've done something a bit upside down.
1:07.8	We've gone through the mailbag and we have found questions that
1:11.3	are all to do with time travel or sort of unexpectedly popping out of existence in one place
	...

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