9/11 MOLTEN METAL4 min 0 sec - Dec 17, 2006Seconds before the WTC South Tower collapse, tons of molten metal was seen pouring out of the building. What caused large quantities of molten ferrous metal to be in the WTC South Tower? One answer could be Thermite. Thermite is used in controlled demolition and high temperature molten iron is formed as a by-product.

