{"id":121478,"date":"2021-04-13T07:23:06","date_gmt":"2021-04-13T14:23:06","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2021\/04\/physics-without-time"},"modified":"2021-04-13T07:23:06","modified_gmt":"2021-04-13T14:23:06","slug":"physics-without-time","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2021\/04\/physics-without-time","title":{"rendered":"Physics without time"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/physics-without-time2.jpg\"><\/a><\/p>\n<p>Place one clock at the top of a mountain. Place another on the beach. Eventually, you\u2019ll see that each clock tells a different time. Why?<\/p>\n<hr>\n<p>In his book \u201cThe Order of Time,\u201d Italian theoretical physicist Carlo Rovelli suggests that our perception of time \u2014 our sense that time is forever flowing forward \u2014 could be a highly subjective projection. After all, when you look at reality on the smallest scale (using equations of quantum gravity, at least), time vanishes.<\/p>\n<p>\u201cIf I observe the microscopic state of things,\u201d writes Rovelli, \u201cthen the difference between past and future vanishes \u2026 in the elementary grammar of things, there is no distinction between \u2018cause\u2019 and \u2018effect.\u2019\u201d<\/p>\n<p>So, why do we perceive time as flowing <em>forward<\/em>? Rovelli notes that, although time disappears on extremely small scales, we still obviously perceive events occur sequentially in reality. In other words, we observe entropy: Order changing into disorder; an egg cracking and getting scrambled.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Place one clock at the top of a mountain. Place another on the beach. Eventually, you\u2019ll see that each clock tells a different time. Why? In his book \u201cThe Order of Time,\u201d Italian theoretical physicist Carlo Rovelli suggests that our perception of time \u2014 our sense that time is forever flowing forward \u2014 could be [\u2026]<\/p>\n","protected":false},"author":550,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,1617],"tags":[],"class_list":["post-121478","post","type-post","status-publish","format-standard","hentry","category-information-science","category-quantum-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/121478","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\/550"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=121478"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/121478\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=121478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=121478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=121478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}