{"id":1141,"date":"2025-12-07T08:20:13","date_gmt":"2025-12-07T08:20:13","guid":{"rendered":"https:\/\/zestyfinds.net\/technology\/?p=1141"},"modified":"2025-12-07T08:20:13","modified_gmt":"2025-12-07T08:20:13","slug":"historys-worst-software-error","status":"publish","type":"post","link":"https:\/\/zestyfinds.net\/technology\/?p=1141","title":{"rendered":"History&#8217;s Worst Software Error"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"480\" height=\"270\" src=\"\/\/www.youtube.com\/embed\/Ap0orGCiou8\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<p>In 1985, a state-of-the-art radiation therapy device called the THERAC-25 started blasting holes through patients&#8217; bodies, leading to the world\u2019s first death by radiation treatment overdose. It killed two more people before anyone knew what was going wrong. Why?<\/p>\n<p>SHOW NOTES:<br \/>\n&#8220;Fatal Dose&#8221; by Barbara Wade Rose: https:\/\/www.barbarawaderose.com\/journalism<br \/>\nhttps:\/\/en.wikipedia.org\/wiki\/Therac-25<br \/>\nhttps:\/\/ieeexplore.ieee.org\/stamp\/stamp.jsp?tp=&#038;arnumber=8102762<br \/>\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"Therac-25 Accident Summary\" src=\"https:\/\/www.sutori.com\/en\/story\/therac-25-accident-summary--zTRpW48523CDeS71yndLhoMb\/embed#?secret=p2hMdG0ztX\" data-secret=\"p2hMdG0ztX\" width=\"500\" height=\"750\" frameborder=\"0\"><\/iframe><br \/>\nhttp:\/\/users.csc.calpoly.edu\/~jdalbey\/SWE\/Papers\/THERAC25.html<br \/>\nhttps:\/\/web.stanford.edu\/class\/cs240\/old\/sp2014\/readings\/therac-25.pdf <\/p>\n<p>\ud83d\udcaa JOIN [THE FACILITY] for members-only live streams, behind-the-scenes posts, and the official Discord: https:\/\/www.patreon.com\/kylehill<\/p>\n<p>\ud83d\udc55 NEW MERCH DROP OUT NOW! https:\/\/shop.kylehill.net<\/p>\n<p>\ud83c\udfa5 SUB TO THE GAMING CHANNEL: https:\/\/www.youtube.com\/channel\/UCfTNPE8mXGBZPC1nfVtOJTw<\/p>\n<p>\u2705 MANDATORY LIKE, SUBSCRIBE, AND TURN ON NOTIFICATIONS<\/p>\n<p>\ud83d\udcf2 FOLLOW ME ON SOCIETY-RUINING SOCIAL MEDIA:<br \/>\n\ud83d\udc26 https:\/\/twitter.com\/Sci_Phile<br \/>\n\ud83d\udcf7 https:\/\/www.instagram.com\/sci_Phile\/<\/p>\n<p>\ud83d\ude0e: Kyle<br \/>\n\u2702: Charles Shattuck<br \/>\n\ud83e\udd16: @Claire Max<br \/>\n\ud83c\udfb9: bensound.com<br \/>\n\ud83c\udfa8: Mr. Mass https:\/\/youtube.com\/c\/MysteryGiftMovie<br \/>\n\ud83c\udfb5: freesound.org<br \/>\n\ud83c\udfbc: M\u00ebydan<br \/>\n\u201cChanges\u201d (https:\/\/meydan.bandcamp.com\/) by Meyd\u00e4n is licensed under CC BY 4.0 (https:\/\/creativecommons.org)<br \/>\n\u201cAway\u201d (https:\/\/meydan.bandcamp.com\/track\/away) by Meyd\u00e4n is licensed under CC BY 4.0 (https:\/\/creativecommons.org\/licenses\/by\/4.0\/)<br \/>\n\u201cFreezing but warm\u201d (https:\/\/meydan.bandcamp.com\/track\/freezing-but-warm) by Meyd\u00e4n is licensed under CC BY 4.0 (https:\/\/creativecommons.org\/licenses\/by\/4.0\/)<br \/>\n\u201cElk\u201d (https:\/\/meydan.bandcamp.com\/track\/elk) by Meyd\u00e4n is licensed under CC BY 4.0 (https:\/\/creativecommons.org\/licenses\/by\/4.0\/)<br \/>\n\u201cFurther\u201d (https:\/\/meydan.bandcamp.com\/track\/further) by Meyd\u00e4n is licensed under CC BY 3.0 (https:\/\/creativecommons.org\/licenses\/by\/3.0\/)<br \/>\n\u201cUnconceivable Journey\u201d (https:\/\/meydan.bandcamp.com\/track\/unconceivable-journey) by Meyd\u00e4n is licensed under CC BY 4.0 (https:\/\/creativecommons.org\/licenses\/by\/4.0\/)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In 1985, a state-of-the-art radiation therapy device called the THERAC-25 started blasting holes through patients&#8217; bodies, leading to the world\u2019s [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":1142,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zestyfinds.net\/technology\/?p=1141\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"History&#039;s Worst Software Error - TECHNOLOGY\" \/>\n<meta property=\"og:description\" content=\"In 1985, a state-of-the-art radiation therapy device called the THERAC-25 started blasting holes through patients&#8217; bodies, leading to the world\u2019s [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zestyfinds.net\/technology\/?p=1141\" \/>\n<meta property=\"og:site_name\" content=\"TECHNOLOGY\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-07T08:20:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"480\" \/>\n\t<meta property=\"og:image:height\" content=\"360\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/zestyfinds.net\/technology\/#website\",\"url\":\"https:\/\/zestyfinds.net\/technology\/\",\"name\":\"TECHNOLOGY\",\"description\":\"Building the Future with Tech.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/zestyfinds.net\/technology\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/zestyfinds.net\/technology\/?p=1141#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg\",\"contentUrl\":\"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg\",\"width\":480,\"height\":360},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zestyfinds.net\/technology\/?p=1141#webpage\",\"url\":\"https:\/\/zestyfinds.net\/technology\/?p=1141\",\"name\":\"History's Worst Software Error - TECHNOLOGY\",\"isPartOf\":{\"@id\":\"https:\/\/zestyfinds.net\/technology\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/zestyfinds.net\/technology\/?p=1141#primaryimage\"},\"datePublished\":\"2025-12-07T08:20:13+00:00\",\"dateModified\":\"2025-12-07T08:20:13+00:00\",\"author\":{\"@id\":\"\"},\"breadcrumb\":{\"@id\":\"https:\/\/zestyfinds.net\/technology\/?p=1141#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zestyfinds.net\/technology\/?p=1141\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zestyfinds.net\/technology\/?p=1141#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/zestyfinds.net\/technology\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"History&#8217;s Worst Software Error\"}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/zestyfinds.net\/technology\/?p=1141","og_locale":"en_US","og_type":"article","og_title":"History's Worst Software Error - TECHNOLOGY","og_description":"In 1985, a state-of-the-art radiation therapy device called the THERAC-25 started blasting holes through patients&#8217; bodies, leading to the world\u2019s [&hellip;]","og_url":"https:\/\/zestyfinds.net\/technology\/?p=1141","og_site_name":"TECHNOLOGY","article_published_time":"2025-12-07T08:20:13+00:00","og_image":[{"width":480,"height":360,"url":"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/zestyfinds.net\/technology\/#website","url":"https:\/\/zestyfinds.net\/technology\/","name":"TECHNOLOGY","description":"Building the Future with Tech.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/zestyfinds.net\/technology\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/zestyfinds.net\/technology\/?p=1141#primaryimage","inLanguage":"en-US","url":"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg","contentUrl":"https:\/\/zestyfinds.net\/technology\/wp-content\/uploads\/2025\/12\/ytb_thumb-35.jpg","width":480,"height":360},{"@type":"WebPage","@id":"https:\/\/zestyfinds.net\/technology\/?p=1141#webpage","url":"https:\/\/zestyfinds.net\/technology\/?p=1141","name":"History's Worst Software Error - TECHNOLOGY","isPartOf":{"@id":"https:\/\/zestyfinds.net\/technology\/#website"},"primaryImageOfPage":{"@id":"https:\/\/zestyfinds.net\/technology\/?p=1141#primaryimage"},"datePublished":"2025-12-07T08:20:13+00:00","dateModified":"2025-12-07T08:20:13+00:00","author":{"@id":""},"breadcrumb":{"@id":"https:\/\/zestyfinds.net\/technology\/?p=1141#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/zestyfinds.net\/technology\/?p=1141"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/zestyfinds.net\/technology\/?p=1141#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/zestyfinds.net\/technology\/"},{"@type":"ListItem","position":2,"name":"History&#8217;s Worst Software Error"}]}]}},"_links":{"self":[{"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=\/wp\/v2\/posts\/1141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1141"}],"version-history":[{"count":0,"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=\/wp\/v2\/posts\/1141\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=\/wp\/v2\/media\/1142"}],"wp:attachment":[{"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zestyfinds.net\/technology\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}