Original sentence: Mainstream engineers, investigators, industry experts, and all informed sources dismiss it as a conspiracy theory.On the morning of September 11, 2001, nineteen terrorists affiliated with al-Qaeda crashed passenger airliners into the World Trade Center in New York City.Others, such as dental materials engineer Judy Wood, whose claims have been openly rejected by most other demolition hypothesis proponents, say that the observed damage to the twin towers and surrounding WTC buildings could only have been accomplished with some type of directed energy weapon, possibly space-based.The controlled demolition hypothesis has been unambiguously rejected by mainstream investigators and by structural engineers.While some engineers were initially surprised by the speed of the collapse of the World Trade Center, the broad outlines of a collapse theory quickly emerged in the days that followed the attacks of September 11, 2001
Edited sentence: According to the United States government, on the morning of September 11, 2001, nineteen terrorists affiliated with al-Qaeda crashed passenger airliners into the World Trade Center in New York City.Bazant and Verdure, and NIST scientists, have refused to discuss or debate any aspect of the alleged demolition with doubters of the official 9/11 conspiracy theory about 19 Arabs with boxcutters.Engineers from the government angrily dismiss it as a conspiracy theory.The controlled demolition hypothesis has been unambiguously rejected by some mainstream investigators and by structural engineers.While some engineers were initially surprised by the near freefall speed of the collapse of the World Trade Center, the broad outlines of a collapse theory quickly emerged in the days that followed the attacks of September 11, 2001