Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 5, 2009
A team of nine scientists have unearthed startling data from dust gathered in the days and weeks after the World Trade Center towers collapsed on 9/11. They discovered that scattered throughout the dust samples were red and gray chips of 'active thermitic material', or an un-reacted pyrotechnic explosive.