One of the common claims of proponents of the the 9/11 "controlled demolition" conspiracy theory is that people hear "explosion-like" sounds, and hence the buildings must have been demolished by explosives.
Besides the rather obvious lack of any recording of things that sound like normal controlled demolition, the main objection to this theory is that "explosion-like" sounds were entirely to be expected on that day. These would be in categories
Youtube is probably a good source of these. Please add the timecode to the link if the noises are not within a few seconds of the start.
Some examples:
Source: https://www.youtube.com/watch?v=n3JGQriYuis
Source: https://youtu.be/nxvdrge1q00?t=1m6s
Besides the rather obvious lack of any recording of things that sound like normal controlled demolition, the main objection to this theory is that "explosion-like" sounds were entirely to be expected on that day. These would be in categories
- The initial plane impacts and subsequent fuel/air explosions
- Things falling and impacting the ground or other buildings
- Things heating up and exploding
- Structure members failing
- The actual collapses, multiple things falling, overpressure blowing out windows
Youtube is probably a good source of these. Please add the timecode to the link if the noises are not within a few seconds of the start.
Some examples:
Source: https://www.youtube.com/watch?v=n3JGQriYuis
Source: https://youtu.be/nxvdrge1q00?t=1m6s
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