{"id":14257,"date":"2025-05-03T22:00:00","date_gmt":"2025-05-03T22:00:00","guid":{"rendered":"https:\/\/modernsciences.org\/staging\/4414\/?p=14257"},"modified":"2025-04-27T06:12:54","modified_gmt":"2025-04-27T06:12:54","slug":"citicorp-center-structural-flaw-new-york-may-2025","status":"publish","type":"post","link":"https:\/\/modernsciences.org\/staging\/4414\/citicorp-center-structural-flaw-new-york-may-2025\/","title":{"rendered":"The Structural Mistake That Nearly Took Down a New York Landmark"},"content":{"rendered":"\n<figure class=\"wp-embed-aspect-16-9 wp-has-aspect-ratio wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"The Most Dangerous Building in Manhattan\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/Q56PMJbCFXQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In 1978, engineer Bill LeMessurier discovered a fatal flaw in New York&#8217;s Citicorp Center: wind could cause its collapse. With hidden risks and no time for public repairs, he and the company secretly reinforced the building. Averted disaster and ethical decision-making earned LeMessurier recognition, spurring code changes and inspiring worldwide use of tuned mass dampers in skyscrapers.<\/p>\n","protected":false},"excerpt":{"rendered":"A hidden flaw in New York\u2019s Citicorp Center nearly caused a catastrophic collapse\u2014until a daring, secret repair operation turned a potential disaster into a landmark engineering ethics 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