If the Past is Gone Forever - Why Do We Still Remember It?

Fexl October 12, 2025
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Fexl

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Unlock the Cosmos, One Theory at a Time.

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If the past really doesn’t exist, then every moment you’ve lived is gone. The happiest days of your life, the people you’ve lost, the versions of yourself you’ll never be again — they’re not out there anymore. They’re gone in the most absolute sense. That can feel bleak, but it can also feel freeing. If the past has vanished, then maybe it doesn’t weigh you down anymore. Regret might sting, but it’s literally tied to something that no longer exists. In that view, only this moment matters. In the end, how you answer that might say more about you than it does about the universe. Thank you for watching this video. Let me know your thoughts about this idea in the comments. ▀▀▀▀▀▀ Timestamps 0:38 What Do We Mean by ‘Exist’? 4:05 Presentism: Only Now Is Real 7:33 Eternalism: The Block Universe 10:46 The Growing Block Universe 13:38 Physics and the Shape of Time 17:20 Quantum Mechanics and the Past 19:50 Memory, Records, and the Human Side 22:22 Time Travel and the Past 25:07 Philosophy and Physics: Where They Clash 27:40 Why This Question Matters Personally

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