ElI5: What Einstein meant by “the distinction between past, present, and future is only a stubbornly persistent illusion”.

Question

ElI5: What Einstein meant by “the distinction between past, present, and future is only a stubbornly persistent illusion”.

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Answer 1

Dr. Brian Greene explains and demonstrates this concept of “spacetime” in this PBS Nova series based on his book called The Fabric of the Cosmos. This video is on the illusion of time. Relevant part quoting Einstein’s “past, present, and future” starts around the 19 min mark. The whole series is a great watch. Dr. Greene has a bunch of great videos and documentaries about physics. Everything has happened, is happening, and will happen all at the same time 🙂 https://www.pbs.org/video/nova-the-fabric-of-the-cosmos-the-illusion-of-time/