Birdwatch Note Rating
2025-01-01 15:53:22 UTC - HELPFUL
Rated by Participant: 1A6D8A630B37B0ADE44B486DC24B30AB35A8BF86B4307E51BD78A85AEA1C8754
Participant Details
Original Note:
WTC 7's collapse was thoroughly investigated by NIST, which found that the building fell due to uncontrolled fires that burned for approximately 7 hours: https://www.usatoday.com/story/news/factcheck/2022/09/23/fact-check-world-trade-center-building-7-collapsed-due-fire/10428919002/ https://ntrl.ntis.gov/NTRL/dashboard/searchResults/titleDetail/PB2008114050.xhtml These fires did cause critical thermal expansion of the building's structural elements: https://www.nist.gov/world-trade-center-investigation/study-faqs/wtc-7-investigation Why the Building (WTC7) Fell: https://www.youtube.com/watch?v=PK_iBYSqEsc&ab_channel=NationalInstituteofStandardsandTechnology
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