{"id":772,"date":"2026-10-06T04:33:12","date_gmt":"2026-10-06T04:33:12","guid":{"rendered":"https:\/\/millermattson.com\/dave\/?p=772"},"modified":"2026-10-06T04:34:46","modified_gmt":"2026-10-06T04:34:46","slug":"the-relativistic-runner","status":"publish","type":"post","link":"https:\/\/millermattson.com\/dave\/?p=772","title":{"rendered":"The Relativistic Runner"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Bob is a marathon runner. During a marathon, Bob\u2019s head ages more than his feet. The two largest factors are general relativity which says that a clock at Bob\u2019s head runs faster because of the difference in gravity between his head and feet, and special relativity which says that his feet age slower because of the speed of their movements in a running gait.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We challenged three Anthropic LLMs and three OpenAI LLMs to estimate the differential aging of Bob\u2019s head and feet&#8230; We also asked each LLM to generate an infographic of its findings.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/millermattson.com\/dave\/wp-content\/uploads\/2026\/10\/The-Relativistic-Runner-v1.pdf\" data-type=\"attachment\" data-id=\"771\">Click here for the full PDF report.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bob is a marathon runner. During a marathon, Bob\u2019s head ages more than his feet. The two largest factors are general relativity which says that a clock at Bob\u2019s head runs faster because of the difference in gravity between his head and feet, and special relativity which says that his feet age slower because of [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":770,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83,41],"tags":[86,104,42,47],"class_list":["post-772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","category-physics","tag-ai","tag-llm","tag-physics-2","tag-relativity"],"_links":{"self":[{"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/posts\/772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=772"}],"version-history":[{"count":2,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions"}],"predecessor-version":[{"id":774,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/posts\/772\/revisions\/774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=\/wp\/v2\/media\/770"}],"wp:attachment":[{"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/millermattson.com\/dave\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}