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How Full-Body Scanners Work – and Fail

24 March 2012 (Original: 2010-11-16) | Source | Permalink | comments: 2
By Hans

Categories: [ Full Body Scanners ]

TSA has been introducing full-body scanners to perform a virtual strip search of air travelers. Although technically travelers have the right to opt out, the TSA discourages this behavior with aggressive and invasive pat-down searches. Initially, TSA denied punitive pat-down searches. Then they acknowledged testing a “more aggressive pat-down technique.” TSA began a more widespread implementation of this tactic at the beginning of November, and TSA agents have reportedly been quite open about that fact that the “enhanced” pat-down searches are specifically aimed to be so offensive as to coerce passengers into the scanners. In a blog post otherwise bluntly supportive of full-body scanning (the title, “Shut Up And Get In The Scanner,” gives a good idea of the tone of the writing), one former TSA screener writes:

It is a terror tactic by TSA to get you to walk through the more thorough body scanner.  I can’t defend TSA on this one.  I have talked to the TSA officers and it is no more effective than the old pat down procedure.  They tested it out with trainers and each other.  It is purely a terror tactic by TSA.

Other bloggers (with sharper tongues and stronger stomachs than I) have exhaustively documented the steaming mass of epic fail that is the TSA’s new policy. The aim of this post is to explain how full-body scanners work – and fail.

There are two kinds of full-body scanners: those based on backscatter X-ray technology and those based on millimeter wave technology.

Article Continues »

Comments

Ppc account manager Hamano Tenhoff is addicted to evil eye beads workout routines and train collecting. Lastly she is is getting most her encouragement from chilling together with her family.

By murano glass pendants on 2012 04 24 - 12:48:27

PLEASE sign the petitions against this disgusting draconian and ILLEGAL mandate - and forward to ALL who you know!

http://www.change.org/petitions/anthony-albanese-stop-rollout-of-cancer-causing-airport-body-scanning-machines-in-australia


http://http://www.gopetition.com/petitions/stop-the-implementation-of-body-scanners-in-australian.html

Only your signature can effect change.

By Biggest Brotherest on 2012 06 06 - 11:32:54

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I think Brendon is a good bloke. Truely an Aussie who wants the best for his beloved country. A guy who has discovered like many people that Australia   has been usurped by the parasitic Jew. This of course is nothing new as the Jews in history have been booted out of 88 different countries. Including the Uk. Which ofcourse is the snakes head, after stupid cromwell let them back in. So the city of London is the crown, oh (Not) the queen but Jew Rothschild who owns the banks. Most people I know don,t realise this, that our own RBA (Reserve Bank) is a private Rotschild bank. Rhodes schlolar is a indoctrinated Rothschild pupil. Your polititians are selected (Before) elected. Many a blood high pressure has been rectified after the truth is known. After all if you are on the field of battle, you must know your enemy. Well Done Brendon.  This Aussie is proud of you ! !

By Daveeed on 2014 10 19 - 18:34:02
From the entry 'Meet Brendon O'Connell, Australia's first political prisoner'.

Susan Lindauer is a person deserved of recognition. Her book, “Extreme Prejudice” was a revolution for me in the understanding of the devious machinations of the US government, the real lack of decent values, the total disregard of truth and the falseness of so-called patriotism.
Their treatment of this lady will forever be a disgrace, not quite bordering on other acts of perfidy such as the USS Ulysses, the 29 standing ovations in the US Joint Houses for the world’s latter day fascist, Netanyahu, or the elation displayed in the Congress on the announcement of the (first) war in Iraq, based on lies. All acts from which for me there is no recovery, ever.

So her treatment is up there with those acts, the treatment of Scott Ritter and Edward Snowden,  the establishment of Guantanamo Bay and the acts therein and the now effective loss of all respect for a country that was founded on real values. What fine people they were as well. A long time ago.

Right now we have another decent American, a scarcity these days, in Michael Mori who through his actions made people aware of how low the US had sunk in the manufacturing of evidence against people whose crimes may have been naivety, but not terrorism. The real terrorists were then and still are in Washington with a new junior chapter in Canberra, trying desperately to mix it with the big boys and in their own little way, through the mouth of the feckless “Friend of Israel”, Julie Bishop,  trying desperately to make Russia an enemy of the world through her lies on the Malaysian Airliner shoot down.

All part of the role that this naive country is engaged in for political purposes. But with a country populated by insouciant people, or is that sheeple, does anyone really give a damn. Football season has just finished. Get your priorities right.

On with the seat belts. There’s much worse to come yet.

Full marks, Susan Lindauer. You have made a serious contribution to those who think that ALL people have rights.

By Rex Williams on 2014 10 09 - 09:17:36
From the entry 'Climbing the mountain of lies to better see World War III'.

I thought after researching the nwo and having a passion for the truth I knew how the world was being run…Then, by accident I stumbled upon
http://www.tomatobubble.com/index.html
and I realised I had only scratched the surface to the lies we have been raised to believe. 
Also, check out the archives page
http://www.tomatobubble.com/id72.html
I was shocked, so if you want the rest of the story…

By sick of all the lies on 2014 10 01 - 14:30:26
From the entry 'A review of violence and intolerance in Islamic and other societies'.

Leonard Clampett,

can you point out where anyone around here wrote or somehow conveyed the opinion “that governments can, and will, do no wrong”? The fact that contrails can persist and spread doesn’t have the slightest impact on the morality of governments ...

Do you doubt the basic mechanism of cloud formation that I summarized exists? Then please explain where I got it wrong - or the University of North Carolina that I linked to - or all my flight teachers and the text books for the exam - or all the guide books about clouds.
Be specific, don’t just say “misinformation” without giving any reason. By all means, show some actual “scrutiny”, along with references.

Of course I could have introduced dry and saturated lapse rate, condensation nuclei and many more sophisticated details, but that does not alter the principal mechanism of rising, cooling and increasing RH.

By the way, your credentials are not helping, I’m afraid - at least as long as you display a basic misunderstanding of central processes like combustion or supersaturation (which you claim doesn’t even exist).

By Josh on 2014 09 27 - 07:31:30
From the entry 'Contrails dissipate quickly whereas chemtrails linger?'.

Thanks mate, greatly appreciated.

By Hereward Fenton on 2014 09 24 - 22:27:31
From the entry 'Introducing Professor Garth L Nicolson: pioneering researcher on mycoplasmas'.

I know you don’t buy it, but the whole thing seems very much manufactured. Even the footage and the stories.
Anyways, great work as always. Keep on this topic. I believe it is the defining moment for the future of the middle east. 

I am about to subscribe smile  For the years of your hard work.. Well done mate..

By Shaun on 2014 09 24 - 17:53:41
From the entry 'Introducing Professor Garth L Nicolson: pioneering researcher on mycoplasmas'.

I don’t believe the ISIS propaganda Shaun, but I do believe these are real people dressed in black who are killing lots of innocent people in Syria. This is not a fiction. Cheers.

By Hereward Fenton on 2014 09 24 - 16:31:57
From the entry 'Introducing Professor Garth L Nicolson: pioneering researcher on mycoplasmas'.

I am drawn back to read further nonsense every time I receive a note to advise that somebody has responded to a relevant post. Rosa Koire Speech about Agenda 21 https://www.youtube.com/watch?v=H-qLUQlmBk4 When you read and hear commonsense it makes you think. For Hereward Fenton and the other government shills on this site who insist that governments can, and will, do no wrong, compare the Agenda 21 list of goals to the 8 steps of Carl Marx listed in his Communist Manifesto. None of the claims by Josh or others regarding “lingering” chemtrails stand up to scrutiny so far. Josh’s simplistic dreams about cloud formation and “lingering” contrails are just that. I note some claims about wanting a pilot to comment, but apparently my comments as an Airline Transport Pilot of 14,000 hours and Aircraft Maintenance Engineer do not suit his misinformation, or outright ignorant, position. When the realisation hits these people, I wonder if they will understand what is being done to us all in the name of the New World Order?

By Leonard Clampett on 2014 09 23 - 17:22:21
From the entry 'Contrails dissipate quickly whereas chemtrails linger?'.

Cris,

you ask: “Why are there so many of these trails when rain is likely or predicted?”

Very good question, and one that should be answered before assuming all kinds of bad things.

Approaching fronts are the most frequent cause of rain. During their approach, they lift the current air mass. Lifting always means cooling (see “lapse rate”), and cooling means rising the relative humidity because cooler air can hold less water vapor. So even while containing the same absolute amount of water, cooling air approaches the point where the relative humidity reaches 100%.

This is the “dew point” - at that moment you get clouds because the water vapor condenses.

Now when a plane comes by and passes through the lifted moist air, shortly before the dew point is reached - then it is obviously much more likely to create a contrail because the conditions for trails are a lot better than usual, and it continuosly contributes water vapor (from the fuel combustion) along its path which adds to the existing humidity, triggering a trail and probably the start of a haze layer.*

This phase may last several hours, especially with warm fronts.

There is a nice schematics of “lifting mechanisms” on this page from NC State University.

Your next question is not quite reasonable. Why should anyone have to prove the non-existence of ongoing geo-engineering? It’s clearly required to prove its existence in the first place before making accusations. Innocent until proven guilty, right?

Patents are no evidence for anything. It’s easy to get one, you don’t have to build anything or even show that your invention actually works.

I’m sure there is a lot of rot that must be stopped. I just don’t think it’s where you assume it is.


* Footnote: the whole thing gets a bit more complicated when ice comes into play.

By Josh on 2014 09 23 - 04:15:04
From the entry 'Contrails dissipate quickly whereas chemtrails linger?'.

Hi Josh
I don’t need any more evidence. I need answers.
Why are there so many of these trails when rain is likely or predicted?
How about the people at the helm, the political minitures, sign documents at their own unlimited commercial liability saying the there is no Geoengineering happening? Lets see if they have the guts to do that. If not, why not? Is something being hidden? Why are there near 150 patents for chemical weather remediation? Lots of whys and you wish to dampen the fire of resistance. I guess fluoride and vaccinations are no problem either?
The rot must be stopped and it won’t be by sitting on our hands.
Selah
Cris

By Cris on 2014 09 20 - 19:23:32
From the entry 'Contrails dissipate quickly whereas chemtrails linger?'.

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