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originally posted by: Doctor Smith
The premise of this thread is scientific proof alone.
All the educated Professors stand against you.
According to your kind this also wasn't controlled demolition
never realizing you had been duped.
originally posted by: neutronflux
Strange the number of other models that don't agree with the NIST model but never mentioned by truthers because it shows the consensus explosives / thermite was not used. The nuke thing is ridiculous. They all conclude fire lead to collapse.
How do you know this Sam? Are you a nuclear scientist, or a physician specializing in radiation sickness?
originally posted by: Salander
a reply to: samkent
Yes, many were made sick, and others have died from radiation poisoning. Matt Tartaglia from Perkasie PA was but one of them. By 2005 his teeth were falling out and he eventually died.
According to footnotes in Prager's book, US cancer deaths work out to about 5.7 per 100,000
Amongst those working at Ground Zero, the rate is 86 per 100,000
Aluminium alloy 2024 has a density of 2.78 g/cm³ (0.1 lb/in³), electrical conductivity of 30% IACS, Young's Modulus of 73 GPa (10.6 Msi) across all tempers, and begins to melt at 500 °C (932 °F).
2024 aluminium alloy's composition roughly includes 4.3-4.5% copper, 0.5-0.6% manganese, 1.3-1.5% magnesium and less than a half a percent of silicon, zinc, nickel, chromium, lead and bismuth.
Aluminium alloy 7075 is an aluminium alloy, with zinc as the primary alloying element. It is strong, with a strength comparable to many steels, and has good fatigue strength and average machinability, but has less resistance to corrosion than many other Al alloys. Its relatively high cost limits its use to applications where cheaper alloys are not suitable.
7075 aluminum alloy's composition roughly includes 5.6–6.1% zinc, 2.1–2.5% magnesium, 1.2–1.6% copper, and less than a half percent of silicon, iron, manganese, titanium, chromium, and other metals. It is produced in many tempers, some of which are 7075-0, 7075-T6, 7075-T651.
originally posted by: sg1642
I'm no expert on this (zaphod where are you when you're needed ha) but isn't magnesium one of the main components used in aircraft alloys and construction? Once magnesium is ignited it will burn hot enough to do a real number on steel girders. It will produce that white smoke that we seen and guess what? It goes bang when it reacts with water. Another point I'd like to make is one of the components used in thermobaric weapons is a fine aluminium dust or powder. When it's spread through a confined space and ignited it is absolutely devastating. An aircraft comprises of mainly aluminium.