Does the Past Still Exist?

Name: Does the Past Still Exist?
Description: Sabine Hossenfelder explains how special relativity leads to the block universe, in which past, present and future all exist equally, and asks what that means for whether the past still exists.

Sabine Hossenfelder

Sabine Hossenfelder explains how special relativity leads to the block universe, in which past, present and future all exist equally, and asks what that means for whether the past still exists.

HN commenters share it as a clear explanation of the block universe and relativity of simultaneity.

3 Hacker News mentions · 2022–2023

Topics

Fundamental physics
Philosophy & ethics

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