Birdwatch Note Rating
2023-07-17 15:53:32 UTC - NOT_HELPFUL
Rated by Participant: 7252CE5DFBF71C6946AE08F20B26D51642A3F84F1CBFA858124794C6B05D46EA
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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