What REALLY happened to the plane that didn't hit the Pentagon on 9/11

[Gravitycollapse]

304. Why am I testy? Because people think it's a legitimate comparison...

To argue that because a self cleaning oven reaches a higher temperature that it demonstrates metal support beams cannot fatigue when subject to extended periods of heating by fire.

The two circumstances are so different that what I really want to know is how they are in any way related. First off, the materials used in an oven are different from the materials used in construction of a building. One is designed to operate normally after many exposures to high temperatures and extreme temperature differentials. The walls of ovens are specially coated for that purpose.

There is also a difference in how the fire resistant materials are exposed to heat and how uniform the heating is in a fire fed by office supplies as opposed to electrical coils or uniform flame spread by gas burners.

But, most importantly, there is a massive difference between how steel beams (especially in long-span designs) are integral to supporting immense weight in buildings (and thus are subject to cascading failures) and the lack of necessary support in an oven (there is a larger support structure outside the heated area of an oven).

To say it's an uninformed, stupid comparison is to be nicer than the claim actually deserves. It's an embarrassment to reason.