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Title:Does the Past Still Exist?
Duration:16:07
Viewed:1,745,085
Published:23-07-2022
Source:Youtube

To try out our new course (and many others on math and science), go to brilliant.org/sabine. You can get started for free, and the first 200 will get 20% off the annual premium subscription. Albert Einstein taught us that space and time belong together to a common entity: space-time. This means that time becomes a dimension, similar to space, and has profound consequences for the nature of time. Most importantly it leads to what has been called the block universe, a universe in which all moments of time exist the same way together. The future, the present, and the past are the same, it is just our perception that suggests otherwise. 💌 Sign up for my weekly science newsletter. It's free! ➜ sabinehossenfelder.com/ 👉 Support me on Patreon ➜ www.patreon.com/Sabine 📖 My new book "Existential Physics" is coming out in August ➜ existentialphysics.com/ 0:00 Intro 00:58 Space-time 02:09 Space-time diagrams 03:40 Special Relativity 05:05 The Relativity of Simultaneity 10:36 The Block Universe 12:46 The if's and but's 14:50 Sponsor Message

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