How To Prove You're A Time Traveller

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. ------------------- Video Producer: Adam Thornton 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 ------------------- 00:00 Intro 02:22 If you were to travel time, how would you prove it? 3.08 Cancer Research UK 04:26 Slap bracelets for time travel 17:29 If a human ended up on earth 150million years ago, would they be able to find food they can digest? 22:28 What would the lag on a FaceTime call be like from space, or the moon? 30:23 If we had wormholes connecting to each other’s homes, would there also be a rush of air because of pressure differences? 45:00 Outro