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Why Fact-check? Why preserve a visual record?

The Website Written as a Book
Introduction
1: Science and Subjective Viewpoints
2: Toward Accurate Collapse Histories
....2.1: Progressive Floor Collapses in the WTC Towers
....2.2: General Global Characteristics of Collapses
....2.3: Mathematical Basis of ROOSD Propagation
....2.4: WTC1 Accurate Collapse History
....2.5: WTC2 Accurate Collapse History
....2.6: WTC7 Accurate Collapse History
3: WTC Collapse Misrepresentations
....3.1: Purpose of the NIST Reports
....3.2: NIST WTC1 Misrepresentations
....3.3: NIST WTC7 Misrepresentations
....3.4: NIST WTC2 Misrepresentations
....3.5: Reviewing the Purpose of NIST and FEMA Reports
....3.6: Bazant Misrepresentation of Collapse Progressions
....3.7: Block Misrepresentations of Collapse Progressions
....3.8: AE911T Misrepresentations of the Collapses
4: Scientific Institutions Can Be Unaware of Contradiction
5: Reassessing the Question of Demolition
....5.1: The Case of WTC1
....5.2: The Case of WTC2
....5.3: The Case of WTC7
6: WTC Collapse Records Studied as Meme Replication
....6.1: Meme Replication in Technical Literature
....6.2: Meme Replication in Mass Media
....6.3: Meme Replication in Popular Culture
....6.4: John Q Public and the WTC Collapse Records
Conclusions

WTC Twin Towers Collapse Dynamics

Official, Legal Attempts to Explain Collapses

Academic Attempts to Explain Collapses Reviewed

On the Limits of Science and Technology

WTC Video Record

WTC Photographic Record
WTC1 Attack to Collapse
WTC2 Attack to Collapse
WTC 7
.
-----PHOTO RECORD OF FIRE PROGRESSION-----
Fire Progression, WTC1 North Face
Fire Progression, WTC1 South Face
Fire Progression, WTC1 East Face
Fire Progression, WTC1 West Face
Fire Progression, WTC2 North Face
Fire Progression, WTC2 South Face
Fire Progression, WTC2 East Face
Fire Progression, WTC2 West Face
.
----DEBRIS LAYOUT AND CONDITION, BY REGION-----
Debris: WTC1 Around Footprint
Debris: WTC2 Around Footprint
Debris: From WTC1 Westward
Debris: From WTC1 Northward
Debris: From WTC2 Eastward
Debris: From WTC2 Southward
Debris: Plaza Area, Northeast Complex
Debris: Hilton Hotel, Southwest Complex
Debris: General, Unidentified Locations
Damage to Surrounding Buildings
Perimeter Column Photo Record
Perimeter Columns: Types of Damage
Core Box Columns: Types of Damage
Complete Photo Archive
Other Major 9-11 Photo Archives
The 911Dataset Project

WTC Structural Information

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Online Misrepresentations of the WTC Collapses

Forum, Blog Representations of the WTC Collapses

The Book Tested Through Experiments

Miscellaneous Notes, Resources
FAQ for Miscellaneous Notes
History Commons 9/11 Timeline
The 911Dataset Project
Skyscraper Safety Campaign
First and Largest 9/11 Conspiracy Theory
Key Words in Book and Website
Trapped Within a Narrowed False Choice
Vulnerability and Requestioning
On Memes and Memetics
Obedience, Conformity and Mental Structure
Denial, Avoidance (Taboo) and Mental Structure
Taboos Against Reviewing the Collapse Events
Extreme Situations and Mental Structure
Suggestibility, Hypnosis and Mental Structure
Awareness and Behavior
Magical, Religious, Scientific Cause-Effect Relations
The Extreme Limits of Mental Dysfunction
Orwell's "Crimestop", "Doublethink", "Blackwhite"
William James, Max Born: Science as Philosophy
Plato on Self Reflection and Mental Structure
Rewriting History, part 1
Rewriting History, part 2
On Smart Idiots

New Ideas in Education

Earliest detectable deformation of roof is progressively concave

Earliest detectable deformation of roof is progressively concave




Confirmation of concave deformation of roof: Drop movement of antenna compared to 3 key roofline anchor points on the NE, NW and SW corners of the perimeter









Points from both views are traced and plotted below:







Sauret viewpoint: NE corner, NW corner and large antenna drops compared



The antenna begins to move downward in frame 130. The NW corner doesn't begin to be displaced downward until around frame 210.


Here is my previous graph with the addition of a trace of the following region...
...

As you can see, downward antenna movement precedes downward movement of the impact region.





Global deformation movement from frames 120 to 220



Looking from the Sauret projection at the whole building above floor 92, flashing between frames 120 and 220 (just over 1.5 sec interval). Remember that the NW corner starts to accelerate downwards around frame 224:


http://www.sharpprintinginc.com/911_misc/sauret_120-220.gif




In order to see the degree and direction of local deformation at any point, just hold your pointer still over that point and notice the degree of wiggle.

Notes:

1) The east corner of the building stays pretty still. The whole portion below floor 98 stays pretty still.
2) The NW corner window washer actually wiggles east-west. Almost no downward displacement, but observable eastward displacement.
3) Notice that the whole west corner above floor 98 is being pulled inwards. The pull-in first becomes noticeable just above floor 98 and grows much stronger in the top few floors.
4) From this projection, the antenna is moving downwards and hooking to the east. It is as if it is falling and slightly pivoting. It seems as if its eastward angle increases slightly over this interval.



Notice how the antenna fall seems directly related to the pull-in of the window washer on the NW corner. As if the building is being pulled downward from the eastern side of the core, pulling the antenna down with a slight pivot and the NW corner with it.

The outer columns of the building provide an excellent grid that allows one to see how the whole upper west side is being pulled over to the east, but the east side of the building remains still.

>>>>>>>>>>>>>.

This simple visual tool allows you to verify that the tendencies documented in the drop and drift curves shown to you represent very real movement that grows into visible deformations. Movement from as early as Sauret frame 140 is visible to the naked eye.







NBC viewpoint: antenna drop compared to SW corner fire drop and 95th and 98th floor ejections





The 95th floor ejections appear in the first frame of this animated gif image. The animation covers 70 frames at 25 frames per second.


Frame 1: 95th floor ejections appear

frame 25: antenna starts to visibly move

frame 52: 98th floor ejections begin, 104th floor SW corner fire starts to visibly move downward

Downward movement of the antenna is measured well before the SW corner is observed to move.








Measurement of the large antenna, SW corner fire and NW corner washer drops from the NW NBC viewpoint shows once again that the antenna was moving downward before the SW and NW corners of the building.




(notes: Black - Antenna
Red - Washer
Purple - SW Fire

59.94 fps - Resolution Doubled. 1 pixel on the graph is 0.5 pixels on the original video.



Measurements from both viewpoints show early antenna movement when compared to any point on the perimeter of the building. All drop measurements and all visual evidence shows the antenna sinking into the perimeter of the building during the earliest detectable movements.




Created on 10/16/2010 01:44 PM by admin
Updated on 05/15/2015 11:08 PM by admin
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