
We might have a sister universe in which time runs backwards
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Why time passes is one of the biggest mysteries in physics, as the fundamental laws of nature don’t reflect a difference between moving forward and backward in time. In a new paper, researchers have shown that time might actually be able to run in two directions, meaning we might have a twin universe where time runs opposite our universe’s. Let’s take a look.
Paper: https://www.nature.com/articles/s41598-025-87323-x
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Why time passes is one of the biggest mysteries in physics, as the fundamental laws of nature don’t reflect a difference between moving forward and backward in time. In a new paper, researchers have shown that time might actually be able to run in two directions, meaning we might have a twin universe where time runs opposite our universe’s. Let’s take a look.
Paper: https://www.nature.com/articles/s41598-025-87323-x
This video comes with a quiz which you can take here: https://quizwithit.com/start_thequiz/1741329522560x203616848863559680
? Check out my new quiz app ➜ http://quizwithit.com/
? Support me on Donorbox ➜ https://donorbox.org/swtg
? Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/
? Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine
? Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/
? Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
? Join this channel to get access to perks ➜
https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
?️ On instagram ➜ https://www.instagram.com/sciencewtg/
#science #sciencenews #physics
Sabine Hossenfelder
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Sabine Hossenfeld...