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Bringing Closure to the 9/11 Pentagon Debate
By John D. Wyndham | Oct 7, 2016 | Editor's Picks, Essays, Science, US | 285
Pentagon Security Videos: Recent work on the video from two Pentagon security cameras shows that they captured images of the approaching, low-flying plane. In his paper “The 85 Pentagon Area Surveillance Cameras,” Ken Jenkins explains the images, how the date error came about, and the likely origins for the trailing white smoke. There is no evidence at this time that the government is withholding other images of the event captured by the surveillance cameras.
Ken Jenkins and David Chandler also recently took pairs of sequential images from the Pentagon surveillance video cameras, putting them together as you would see them in what is called a blink comparator. In this way, the image of the plane “pops out.” If you watch the image cycle a few times, the details of the plane are clearly visible. You can find the blink comparisons on David Chandler’s website, 911SpeakOut.org.
Blink Comparator Views of
the Plane at the Pentagon
By David Chandler, based on prior work by Ken Jenkins
One feature of the plane image helps us identify it as an American Airlines plane. Note the purple stripe along the side of the plane. American Airlines planes have parallel red and blue stripes. At the small scale of the original image it is quite likely that this purple stripe is a merger of the color information from a red and a blue stripe.
**********
NEW: Wayne Coste's analysis of the security camera videos extends what I have shown on this page. The blink comparator images below establish that a large plane approached the Pentagon. Wayne's analysis supports the authenticity of the videos and provides an independent assessment of the speed of the plane based on the security camera footage.
originally posted by: kwakakev
a reply to: mrthumpy
Spot on as it turns out
I have tried hard to take emotion out of it. But how can we resolve a problem without addressing the emotional side of things? Maybe if you do not have any emotions you can, but for the rest of us that do it is another piece of the the problem.
I am comfortable with how I understand the 9/11 events.
You are only comfortable talking about CD which cannot be proven either way. But I know that if building 7 was damaged on 1 side by one of the towers then caught fire, that building 7 would never fall strait down but would tip over.I don't care what you say or think as I don't fall for that foolishness. BTW, have a look (again) at building 7 falling, the near corner of the building on video is not on fire so why is it that corner just collapse STRAIGHT DOWN. Yeap, fire... foolish
pgimeno
www.internationalskeptics.com...
I've run a simulation with the Box2D physics engine as implemented in the Love2D framework. I created a 2D box and two 2D sticks holding it, then with the space key I moved one of the sticks away. The trajectory of the centre of mass of the box was traced. Here's the result
As you can see, the centre of mass of the box does barely move from the vertical; not even by one pixel in this simulation.
By pgimeno
www.internationalskeptics.com...
I agree with Hellbound, skyscrapers have a lot of mass and the relatively thin columns make it harder for the structure to tip over than e.g. in the Las Gladiolas example shown by Redwood. See Bazant and Zhou, 2002 Appendix II: Why Didn't the Upper Part Pivot About Its Base?
Basically, the first attempt at pivoting over the base makes the top section gain rotational momentum. The columns can't stand the lateral reaction force exerted by the part of the structure situated below the CoG, and the result is that the top pivots mostly over its CoG instead of over its base.
originally posted by: openedeyesandears
a reply to: neutronflux
I was right, you only answered about WTC 7 falling and I still think you're wrong.
Next, what about ALL the other points I brought up? With blinds over your eyes, it's hard to see the truth.
When 7 WTC collapsed, debris caused substantial damage and contamination to the Borough of Manhattan Community College's Fiterman Hall building, located adjacent at 30 West Broadway, to the extent that the building was not salvageable.[47] A revised plan called for demolition in 2009 and completion of the new Fiterman Hall in 2012, at a cost of $325 million.[48] The adjacent Verizon Building, an art deco building constructed in 1926, had extensive damage to its east facade from the collapse of 7 World Trade Center, though it was able to be restored at a cost of US$1.4 billion.[49]
en.m.wikipedia.org...
originally posted by: openedeyesandears
a reply to: neutronflux
I was right, you only answered about WTC 7 falling and I still think you're wrong.
Next, what about ALL the other points I brought up? With blinds over your eyes, it's hard to see the truth.
....and still no evidence of a plane hitting the pentagon...
www.metabunk.org/ethiopian-airlines-flight-302-and-9-11s-united-flight-93.t10552/
www.metabunk.org...
It is sad that it took another tragedy to bring focus to the spaciousness of the 9/11 Truthers' arguments. And sadly another tragedy, the crash of Ethiopian Flight 302, may fill the same role this year in the arguments surrounding the fourth plane on 9/11: United Flight 93
Flight 93 crashed into a field on 9/11 after some of the passengers attempted to regain control. Inverted and at high speed, it buried itself in the dirt, leaving only a roughly plane-shaped crater and some scattered debris. The Truther refrain is "where's the plane", with the argument being that when planes crash you can see the plane.
originally posted by: neutronflux
a reply to: kwakakev
You do understand at the flight 93 crash site the recovery crews excavated an area 70 feet by 70 feet, and 40 feet down to recovery the bulk of the aircraft?
Comparing truth movement websites, vs “debunking” sites, vs the documented facts might be a good start. Knowing all sides of the argument would be a good start.