Birdwatch Note Rating
2023-07-17 19:32:16 UTC - NOT_HELPFUL
Rated by Participant: 7F21F60C6D2DEF817827DC95685B341AF1BF5EBD501723DF1777A004D1B548E2
Participant Details
Original Note:
Steel loses its structural strength long before it melts. For the WTC to collapse, the beams did not have to melt, as it was enough that they lost their structural strength due to high temperature. https://www.researchgate.net/figure/Reduction-of-yield-strength-with-temperature-for-different-steel-grades_fig3_281580209
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