Molten aluminum mixing with water could have ultimately brought the towers down. More than ten years after the fact, a scientists based at the Norwegian research institute SINTEF is proposing that a well-documented chemical reaction spelled the ultimate demise of the Twin Towers after the attacks of September 11, 2001. This isn’t another conspiracy theory, nor is it proven fact. But Christian Simensen theorizes that a mix of molten aluminum from the aircraft bodies mixed with water from the sprinkler systems could have catalyzed secondary blasts that brought the World Trade Center towers to the ground. Simensen’s idea, presented at...