There is so much info here and everywhere else that points to false flag event, There WAS nano themite along with iron rich spheroids found in 4 different samples taken by researchers from the university of copenhagen. Nano themite can be used in small amounts in precise areas, to cut steel beams for example. UV rays wouldnt even be seen from outside the building if used in this way. Thermite isnt explosive, it simply melts through everything in its path, including steel.... "Public pressure finally forced President George W. Bush to appoint a bipartisan commission that came to be known as the 9/11 Commission. It was eventually given a budget of $15 million…compared to the $39 million spent on the Monica Lewinsky/Bill Clinton investigation. When the commission completed its work in August 2004, the commissioners turned over all their records to the National Archives ...., most of the material remains classified."