sethnintendo said:
Vetteman94 said:
sethnintendo said:
Vetteman94 said:
hudsoniscool said: http://www.youtube.com/watch?v=NLlMXkWW_LM If you dont believe that there was an explosion watch this video. At 6 minutes and 50 seconds it switches to a video that is by TWC. Just seconds before you hear the planes hit there is a clear thump from an underground explosion Also jet fuel's maximum burning temperature is 1800 degrees F while steel melts at 2500 degrees, so how did building 7 a steel building collapse (like demolition charges) from a fire when its impossible for it to reach sufficient temperatures to melt steel. Explosives such as c4 can reach 3000 degrees. Fire engineering magazine had said before 9/11 that "no steel building has ever been destroyed by fire." http://www.youtube.com/watch?v=aDCSR3HfhVk&feature=related This video will show you everything you need to. Watch this then tell me 9/11 wasnt a conspiracy. this video shows george bush clearly lie about seeing the planes hit the tower. http://www.youtube.com/watch?v=Sm73wOuPL60&feature=related
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While it may take 2500 degress F to melt Carbon Steel, it only takes 1100 degrees F to make it lose half of its strength. So how is a building supposed to support itself at half strength? Thats not even including the columns the planes knocked out
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http://www.youtube.com/watch?v=65Qg_-89Zr8
So these buildings that burnt forever didn't collapse but the little jet fuel that remained (most burnt up outside) in the towers caused them to collapse?
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Did those buildings also have a plane fly into them taking out many support structures?
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http://www.youtube.com/watch?v=q74MiBSqm78
World Trade Center designed to stand a jet impact/possibly multiple impacts.
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And where is there proof that it could, other than design theories? Was this ever put through a live test?
Being a Mechanical Design Engineer, you know there is a difference between what is on paper and run in simulations and what really happens in real life testing. Its not always the same outcome.