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They recovered four, three of them AT the crash sites! How. The black boxes didn't even survive. cat-confused

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[-] aaro@hexbear.net 19 points 5 months ago* (last edited 5 months ago)

Jet fuel doesn't melt steel beams. But metal loses it's strength while retaining its solid phase as it is heated. https://www.engineeringtoolbox.com/metal-temperature-strength-d_1353.html

This is the issue with laypeople speculating on complex engineering failures. The mechanisms of action that one might intuit from looking at a complex systems failure and the ones that actually cause it are oftentimes not related to or even opposite.

[-] AcidMarxist@hexbear.net 6 points 5 months ago

Does that link talk about the explosions in the basement?

[-] ProfessorOwl_PhD@hexbear.net 15 points 5 months ago

Hey, you know the deal, no investigation, no right to speak. The link doesn't talk about 9/11 at all, it talks about changes in metal strength at different temperatures.

[-] AcidMarxist@hexbear.net 3 points 5 months ago

Ive never heard that turn of phrase, pwease explain it to me?

[-] aaro@hexbear.net 11 points 5 months ago

No, because that isn't what we were talking about?

[-] AcidMarxist@hexbear.net 3 points 5 months ago

Sorry, i dont debate

[-] Frank@hexbear.net 4 points 5 months ago

My favorite comment on this was a blacksmith heating a steel bar to a few hundred degrees and then pushing it around with his pinky. Also, the sheer number of people who don't have any conception of what a blast furnace is or how it works, how oxygen and fire interact. Idk, I always thought the "jet fuel can't melt steel beams" thing was absurd on it's face. It's such a silly premise. I've forged metal on backyard wood fires, you just need to set the airflow up to get incredibly hot fires.

[-] DamarcusArt@lemmygrad.ml 1 points 5 months ago* (last edited 5 months ago)

My favorite comment on this was a blacksmith heating a steel bar to a few hundred degrees and then pushing it around with his pinky.

Ouch. 🔥

this post was submitted on 05 May 2024
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