Originally Posted by shake

I think there was something called a "thermite reation" which is where the combonation of steel and aluminum will actually burn at a temp close to that of the sun. It is a common and well known reaction

All that is needed for this "thermite" to burn is steel, aluminum, and a heat source high enough to start the reaction (jet fuel) I've read some articles about this, if you search on thermite 911 on google, you'll find it too..

Here is one such article:
http://www.whatreallyhappened.com/thermite.htm