{"id":233510,"date":"2026-03-17T22:03:39","date_gmt":"2026-03-18T03:03:39","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/03\/%f0%9f%92%a1-we-talk-about-the-past-as-if-its-gone-forever-erased-unreachable-finished"},"modified":"2026-03-17T22:03:39","modified_gmt":"2026-03-18T03:03:39","slug":"%f0%9f%92%a1-we-talk-about-the-past-as-if-its-gone-forever-erased-unreachable-finished","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/03\/%f0%9f%92%a1-we-talk-about-the-past-as-if-its-gone-forever-erased-unreachable-finished","title":{"rendered":"\ud83d\udca1 We talk about the past as if it\u2019s gone forever \u2014 erased, unreachable, finished"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/DGt5q28SjC0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>But according to Richard Feynman and the laws of physics, that intuition is deeply misleading.<\/p>\n<p>At the fundamental level, the equations that describe reality don\u2019t care which way time flows. The same mathematics behind Quantum Electrodynamics \u2014 the most precisely tested theory in science \u2014 work just as well forward in time as they do backward.<\/p>\n<p>In this video, we explore why the past may not be as \u201cgone\u201d as it feels.<\/p>\n<p>\ud83c\udfa5 *In this video, we explore:*<br \/> \u2192 Why the laws of physics don\u2019t distinguish past from future<br \/> \u2192 How particles can be treated as moving backward in time in calculations<br \/> \u2192 What time symmetry really means \u2014 and what it doesn\u2019t<br \/> \u2192 Why our experience of time is not fundamental<br \/> \u2192 How Feynman explained time without mysticism.<\/p>\n<p>This isn\u2019t philosophy or speculation.<br \/> This is how physicists actually calculate the universe.<\/p>\n<p>\ud83d\udcda *Based on the work of:*<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2026\/03\/%f0%9f%92%a1-we-talk-about-the-past-as-if-its-gone-forever-erased-unreachable-finished\">Continue reading \u201c\ud83d\udca1 We talk about the past as if it\u2019s gone forever \u2014 erased, unreachable, finished\u201d | &gt;<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>But according to Richard Feynman and the laws of physics, that intuition is deeply misleading. At the fundamental level, the equations that describe reality don\u2019t care which way time flows. The same mathematics behind Quantum Electrodynamics \u2014 the most precisely tested theory in science \u2014 work just as well forward in time as they do [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,2229,48,1617],"tags":[],"class_list":["post-233510","post","type-post","status-publish","format-standard","hentry","category-information-science","category-mathematics","category-particle-physics","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=233510"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233510\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=233510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=233510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=233510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}