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scienceMay 4, 202652:06pending

How To Use a Black Hole To See Your Past

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What if the universe is recording everything you’ve ever seen and done? In this episode, Hannah Fry and Michael Stevens explore the idea that light itself might carry a record of the past. And if it did, how could we watch history unfold by capturing it. Could a perfectly placed mirror or even a black hole bend that ancient light back to us? Could we watch the pyramids being built, or hear Einstein’s final words? From a nano-second old reflection in a mirror to the photons drifting through billions of miles of space, they reveal how everything we see is already gone, and uncover surprising truths about time, perception, and our own DNA.  ------------------- 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

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How To Use a Black Hole To See Your Past

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