Slashback: Passports, Microscopes, IQ Points 220
Actually, it's taking tests that reduces IQ. The guys at Mind Hacks have dissected the widely reported story that 'email destroys the mind faster than marijuana' [Posted on Slashdot a few days ago -- T.] and found that it is more spin than science. The results show simply that people do worse at IQ tests when distracted, although Hewlett-Packard are not releasing details of the experiment, so others cannot even evaluate if the research is sound. The use of psychobabble for marketing marches on.
One day this will all be commemorated as ... an opera. GreyPoopon writes "It looks like Jon's attempt at swimming the Atlantic has ended in early failure. Taking the blame once again is is PR Manager, Eskil Sivertsen. The raft he was using was somehow punctured this morning, and Jon had to abondon his trek to perform a heroic rescue. Perhaps someone should take on the task of sending our downtrodden adventurer a cup of Mom's hot chocolate."
PCP theorem simplified, still way over my head. Stridar writes "Sanjeev Arora's proof of the PCP theorem was a great acheivement. This theorem, a reduction of NP to PCP, allowed for many striking results on the difficulty of finding approximate solutions to NP-Hard problems. However, his original proof is long and technical, focusing on the arithmetization of booelan formulas. It has long been an open problem to simplify this result. Now Irit Dinur , a mathematician at the Hebrew University, has given a purely combinatorial proof of the PCP theorem, in her exciting paper "The PCP Theorem by Gap Amplification" ."
I think several other things end at death, too. microbee writes "The Register reports that Yahoo has complied with a court order to give a dead soldier's email account to his parents. It's not clear to me from the news whether they got direct access to the actual mail box, or just hard copy of those emails. If the former, it's a bit funny to read "the family complain they have only got emails received by Justin, not those he wrote." People have to wonder whether their privacy ends at death."
Haven't they ever seen The Killing Fields? valdean writes "Following up on past Slashdot stories, Wired News reports that the State Department is now considering adding a password to the new RFID passports, in response to 'criticism from computer security professionals and civil libertarians.' According to the article, 'The data... would be locked and unavailable to any reader that doesn't know a secret key or password to unlock the data. To obtain the key, a passport officer would need to physically scan the machine-readable text that's printed on the passport page beneath the photo... The reader would then hash the data to create a unique key that could be used to authenticate the reader and unlock the data on the RFID chip.'"
Anything with LEDs in it makes me happy. HunterD writes "Apparently a company called DigitalBlue purchased the rights to the Intel Play series, which included the Intel QX3 microscope. Well, DigitalBlue has released an upgrade called the QX5 that features an Ultrabright LED, a better camera, and a number of other upgrades."
PCP Theorem (Score:5, Funny)
MJ? (Score:3, Interesting)
Re:MJ? (Score:4, Interesting)
Re:MJ? (Score:2)
well.
it just sounds like a good retirement plan, fuck the braincells.
Re:MJ? (Score:2, Insightful)
CONCLUSIONS: Heavy marijuana use is associated with residual neuropsychological effects even after a day of supervised abstinence from the drug. However, the question remains open as to whether this impairment is due to a residue of drug in the brain, a withdrawal effect from the drug, or a frank neurotoxic effect of the drug. from marijuana
I'd like to see a comparison done against alcohol, also. I am qu
Re:MJ? (Score:3, Insightful)
I wouldn't bet on it, even though I think it makes sense to legalize marijuana.
Think of the economics, and the number of people earning their income from the current prohibition:
Re:MJ? (Score:5, Insightful)
- Prisons: Overcrowded as it is. Our local city lock-up in Baltimore doesn't even have the capacity to process possible *murder* suspects within the required 24 hours. Public defenders are getting people out of lockup EVERYDAY -- without charge -- because of this problem.
- Police: The last time a cop caught me with a joint, he told me to throw it out. The cops around here don't have the time to keep arresting kids for smoking pot. They have more serious problems to worry about.
- Judges: Don't know about your town, but in mine it may takes up to 6 months after being arrested before you even see a judge for a formal hearing. I don't think it is because of all the pot smokers.
- Marijuana dealers: I don't even know where to start with this one. I'll leave it alone.
That being said; I don't know if I think marijuana will be legalized in my lifetime, but I wouldn't be surprised if cops started treating it more and more like underaged drinking. Similar to, "OK, start dumpin 'em out, kid."
Re:MJ? (Score:5, Informative)
Re:MJ? (Score:2)
don't forget... (Score:2)
As for the economics, think how much money the drug industry would lose if folks had MJ instead of sleeping pills, anti-depressants, and pain killers. Think how much the alcohol industry would lose i
Re:MJ? (Score:2)
It's the drug companies, silly (Score:2, Insightful)
I don't understand why people forget the biggest culprit in this debate, and the party that has most to lose from the legalization of marijuana: drug companies. Marijuana is superior to most of the pain-killing and/or anti-depressant drugs available, without the crippling side effects that accompany commercial drugs.
Also, don't forget that Marijuana is a MAJOR cash crop. It's a multi-billio
Re:MJ? (Score:2, Interesting)
Re:MJ? (Score:2)
In my mind, we [the US, I apologize to all your foreigners on here because I'm being a typical American
Re:MJ? (Score:2)
Thanks for the demonstration.
Nicotine does mess with your brain, and is an addictive chemical. On the other hand, THC works by affecting serotonin levels, not by killing brain cells. The effects will wear off as soon as levels return to normal.
Re:MJ? (Score:2)
Yes a novel solution... (Score:5, Insightful)
Re:Yes a novel solution... (Score:2)
Seriously, how often do they think these people are gonna be swiping these things? A full tour of Europe in a day (not actually stopping to SEE anything) would be what, 30-40 swipes?
Re:Yes a novel solution... (Score:2)
Re:Yes a novel solution... (Score:2)
Re:Yes a novel solution... (Score:2)
Re:Yes a novel solution... (Score:2)
Pretty much every credit, debit or charge card in the UK now has a chip as well as the mag strip (for those places that haven't moved to chip and pin authentication). Even some of the store loyalty cards use a chip instead of a mag strip.
Stephen
Re:Yes a novel solution... (Score:2)
Magstripes are easy to reproduce. Part of the reason they're going to RFID is to put Abdul's E-Z Forged Passport Drive-Thru out of business.
Re:Yes a novel solution... (Score:2)
Just got new passport to beat the RFID implementation... it seems so goofy to have a thin little 24-page passport again!
I don't believe RFIDs will improve pass-through time at immigration. Usually they spend the time to see how you react to questions more than anything else. Scanning only takes 3 seconds max with machine-readable passports.
Re:Yes a novel solution... (Score:2)
I was going back and forth between the factory in China and my place in Japan. Half a page for the Japanese re-entry permit (my visa status didn't qualify for multiple-reentry, I got real used to the fastest way to reach the garbage incinerator in Shinagawa), and a full page for the four entry/exit stamps. Plus a full page whenever my Chinese visa needed renewing.
I really should get a new passport before the RFID thing comes along, but my c
Re:Yes a novel solution... (Score:2)
Re:Yes a novel solution... (Score:3, Insightful)
That will not happen. If they can reduce the passport-stamping time, they will also reduce the number of lines you can get your passport stamped in. It will still take just as long to get through the line.
HINT (Score:2)
If you can't believe that, I have some dollar bills with Bill Clinton on them I'd like to sell you.
Re:Yes a novel solution... (Score:4, Informative)
Or how about just NOT using RFID in passports and instead using tried and tested chips or strips?
Several reasons:
The first plan by the state dept. was terrible; they took absolutely no precautions to protect the passport holder's privacy. I wrote to them to complain. The latest announcement, however, shows that they have listened and fixed all of the problems.
They've made three changes to the plans:
With these changes, there are no additional security risk as long as passport holders are careful to keep their passports closed when not being checked.
The other concern that will no doubt be raised by some slashdotters is whether or not someone who gets hold of your passport can get your biometric data. They can, but it doesn't do any good. The data stored is in the form of a pre-processed template, not an image. It's not possible to reconstruct the original fingerprint/iris/whatever image because the template construction process discards data. It is possible to construct a *different* image which will match when compared to the template, but the constructed image will not really look like the person's biometric.
That said, I think there are legitimate privacy arguments against the use of biometrics. The contactless smart card chip, however, poses no security risks to the passport holder, and offers improves security and convenience -- not for the holder, but for the government who issued the passport.
Re:Yes a novel solution... (Score:2, Insightful)
'The chip will not divulge any data without an appropriate cryptographic authentication. The key used to perform the authentication is derived from data printed inside the passport.'
completely bugger up
'Contactless is quicker and easier to use. Not much, but enough to matter when you're trying to move large numbers of people through quickly. The immigration agent does not have to spend time putting the correct corner of the passport into the correct location in the correct way.'?
You're going t
Re:Yes a novel solution... (Score:2)
Re:Yes a novel solution... (Score:2)
I think you meant to say it is encrypted with a session key so that eavesdropping will be more difficult, at least with current technology.
Re:Yes a novel solution... (Score:2)
Which, presumably, will be enough to validate you fingerprint against the passport, bringing you one step closer to being able to use a stolen passport.
Right, as long as the agent doesn't notice that you're wearing a gummy finger. And a mask. The passport holder's photo is also stored on the chip to be displayed on the agent's screen. I think the expectation is that long-term, multiple biometrics will be incorporated. You'll have to place your finger on a scanner while looking into a camera that wil
Re:Yes a novel solution... (Score:2)
There are only two ways to steal a finger-print: lift it off a table/cup, or cut someones finger off, i guarantee both of those will become more common in the near future, same with eyes,
While cut-off body parts is a concern for other uses of biometrics, I don't think they're really an issue here, because passport verification is attended. The immigration agent would have to be pretty stupid to fail to notice when you whip a dead finger or eyeball out of your pocket and place it on the scanner. In rea
even more novel (Score:2)
Why not let citizens of the planet be free to travel their own planet in their own means.
What happened to freedom of movement?
What happened to criticism of how the Nazis required travel papers to go anywhere?
What happened to criticism of how the Soviets requi
Mac Drivers!!!!eleven!!!1!! (Score:4, Informative)
They list the capabilities thusly:
Of course, I just spotted the fact that Digital Blue are also the fine folks who brought us the American Idol Digital Camcorder [playdigitalblue.com], so that does temper my enthusiasm for handing them cash just a wee bit. But still...
The PCP Theorem (Score:5, Informative)
also.... (Score:2)
Re:The PCP Theorem (Score:5, Informative)
The original poster described the PCP theorem well, but it might not make a lot of sense to people who haven't studied algorithms or complexity theory. This might help:
A lot of problems people want to solve in practice are "optimization" problems. That is, given a problem, we want to find the optimum (minimum or maximum, as the case may be) solution. For example, if you have to travel to several cities, you might want to know the cost of the cheapest tour that visits all of them. Or you might want to know what the most efficient way of scheduling jobs on a machine is. These (and several other) problems, are what we call NP-Hard. That has a technical meaning, but in short, it takes a *really* long time (far more than is practical) to compute the best solutions for these problems. And so if you wanted a solution, instead of spending forever to find the best tour, you might settle for a tour that cost only 1% more, if you could find it quickly. Algorithms which do this are called approximation algorithms; they don't always find the best solution, but they approximate it - the solution they find is nearly as good... perhaps just a little more expensive or less inefficient.
Approximation algorithms are useful because people are often satisfied with solutions that are "good enough", even if not perfect. So for a hard problem, it's worth spending time trying to find a good approximate solution.
Enter the PCP theorem! You can use it to show that some problems can't even be approximately solved in a reasonable amount of time, and that's what the original poster was talking about.
Besides this, the theorem is important and loved because not only is it useful, it's non-obvious and beautiful
Re:The PCP Theorem (Score:2)
Enter the PCP theorem! You can use it to show that some problems can't even be approximately solved in a reasonable amount of time, and that's what the original poster was talking about.
Reality intrudes, annoyingly:
I can approximately estimate when I'll arrive at the office tomorrow, but I have no idea of when the system I am designing will be completed by the welders or if the ambient temperature will be suitable for welding, or if..
Oh, wait, you were talking about theoretical stuff.
Re:The PCP Theorem (Score:3, Interesting)
It gets worse than patents...
When Adi Shamir (the "S" of "RSA") discovered zero-knowledge proof systems, the US millitary tried to suppress all of his work on it, including all copies of the journal in which he published. Needless to say, the mathematical establishment was unhappy with this. They relented only when they realised that they couldn't do it to an Israeli citizen.
Re:The PCP Theorem (Score:2)
Do you have any evidence for this? Goldwasser, Micali and Rackoff discovered zero-knowledge proof systems. And while it took awhile for their paper to be published, it wasn't due to censorship -- it was because they had trouble convincing anybody that these would be of any use.
I think parent is a troll...
Story Arcs? (Score:3, Funny)
I like the idea of Emails being made public (Score:5, Funny)
If you knew you were going to die soon, I'd have a sent mail list which would be great and populated with loads of fake emails that said things like:
"Look, Adriana. I don't care how many other Victoria's Secrets models you're going to bring, I'm NOT going to sleep with you. And, BTW, what you suggested is (a) a waste of whipped cream and (b) isn't that a rather large vegetable for something like that?"
and, of course
"Oh, I figured out how to cure cancer and the key to world peace. I'll email you in a few days with the details..."
Re:I like the idea of Emails being made public (Score:5, Insightful)
Re:I like the idea of Emails being made public (Score:2)
This seems pretty simple to me: the emails, like everything else the soldier owned is part of his estate, which is now owned by his parents. If he didn't want them to inherit his email account, he should have said so, or at least deleted any email he didn't want them to see.
Re:I like the idea of Emails being made public (Score:2)
I agree with that, but they're not asking for copies from recipients. They're asking for the
Re:I like the idea of Emails being made public (Score:2)
By default (Score:2)
You have to turn it on.
When I operated under the previous muchg smaller MB limit, I didn't save many sent emails either.
Re:By default (Score:2)
Re:I like the idea of Emails being made public (Score:2)
When they sent their e-mails without encrypting them, they had already decided privacy wasn't at all important.
Re:I like the idea of Emails being made public (Score:2)
People will gladly tell strangers things that they would never tell close friends.
Re:I like the idea of Emails being made public (Score:2)
Put a EULA in there as well. It works for shrinkwrapped products: "Anyone who obtained a court order to violate my privacy and reads my personal email agrees to pay $10,000 USD per email to PETA".
Re:I like the idea of Emails being made public (Score:2)
Too bad your credibility would take a hit when over 3,000 emails titled "Slashdot] Reply to
Re:I like the idea of Emails being made public (Score:2)
isn't that kinda pointless? (Score:3, Insightful)
Why not just read the machine readable data like they do now and skip all the security / privacy implications of RFID tags that might be secure now, and might be insecure tomorrow.
Re:isn't that kinda pointless? (Score:2)
Why not just read the machine readable data like they do now and skip all the security / privacy implications of RFID tags that might be secure now, and might be insecure tomorrow.
I'm sorry, you still don't know why the government wants a passport that is readable from a distance?
I guess I don't get what the advantage of RFID is. (Score:3, Interesting)
It would help if they explained what the advantages of using RFID in cards would be -- i.e., what do they expect to do with it. I think it'd be helpful to make sure you pass through various checkpoints instead of loitering or sneaking around them, but is it possible if you have to authenticate access to the card?
Re:I guess I don't get what the advantage of RFID (Score:3)
And by "this morning," they mean a few days ago (Score:2)
Limited value in IQ tests. (Score:2, Interesting)
Re:Limited value in IQ tests. (Score:2)
Actually, people with low IQs have to work very hard to pass tests, and people with high IQs can pass tests very quickly. There is probably some correlation between the ability to learn and the ability to pass tests, but it is certainly not 100% - although how much less is a controversial topic.
Of course, this only serves to emphasize your main point even more strongly.
Re:Limited value in IQ tests. (Score:2)
Now, 95 to 110, not such a huge difference. Most studies that say things lower or raise IQ are only dealing with a few points, which no, those don't make a difference
Re:Limited value in IQ tests. (Score:4, Insightful)
35 points is a HUGE difference. Now, a few points all within one standard deviation is a small difference. But a few points between scores both more than 3 standard deviations is also a huge difference. I really get tired of people thinking IQ tests are jokes, there's extensive research into it, tons and tons of science going into making each professional test. IQ is a very scientifically sound concept, if you doubt this you need to study psychology some more (as in, college courses, not mainstream therapy-only junk).
Re:Limited value in IQ tests. (Score:2)
I'm getting a master's in gifted ed. I've learned a LOT about IQ in the past couple of years. Right now I'm in a crappy low-level psychoeducational assessment class that I just need to graduate, and yesterday I had to sit through an awful lecture on IQ tests. It was obvious that I'd read more of the research than this (adjunct) professor has. I would go into all the half-truths and myths she spouted, but it'll just piss me off again.
And t
Re:Limited value in IQ tests. (Score:2)
Is there a study somewhere indicating where typical, 35-40 year-old marketing/advertising type professionals rank? If it's low, I might be convinced to beleive in IQ scores.
Look for yourself: (Score:2)
http://www.ssc.wisc.edu/cde/cdewp/98-07.pdf [wisc.edu]
Re:Limited value in IQ tests. (Score:2, Insightful)
Re:Limited value in IQ tests. (Score:2)
Richard Feynman has an IQ of 125.
Re:Limited value in IQ tests. (Score:2)
Re: (Score:3, Informative)
Re: (Score:2)
Truly Operatic end? (Score:5, Funny)
"A local farmer spotted the drama from his kitchen window and took surprisingly sharp photos with a remarkably powerful telescopic lens."
And all the while he was milking a goat! Remarkable indeed!
Re:Truly Operatic end? (Score:2)
Maybe nobody has commented precisely because it is so obvious.
RF Sniping (Score:2)
Re:RF Sniping (Score:2)
Sol, if you're scanning the passport (Score:3, Interesting)
In the meantime, You can still confirm someone's identity uniquely by the transmissions of their passport -- Who they are needs to be determined separately, but you don't need to decode an RFID to use it for tracking. -- it's just a case of having a transmitter/reciever that's powerful enough to get thru the passport's tinfoile hat.
Re:Sol, if you're scanning the passport (Score:2)
Re:Sol, if you're scanning the passport (Score:2, Interesting)
Think about scanning your passport when you check in at the airport, then not having to show ID to get through the metal detector or at cus
Re:Sol, if you're scanning the passport (Score:3, Interesting)
In any case, even if you give the chip adequate protection to prevent at-distance reading, then all of the advantages of the tag (vs smart-chip) go away -- but you still hav
Re:Sol, if you're scanning the passport (Score:2)
it's just a case of having a transmitter/reciever that's powerful enough to get thru the passport's tinfoile hat.
The shielded cover produces a Faraday cage [wikipedia.org]. The only way to "get through" is to generate so much power that the mesh burns up. That will destroy the chip, of course, and lots of other stuff.
Re:Sol, if you're scanning the passport (Score:2)
Re:Sol, if you're scanning the passport (Score:2)
The 'cage' will probably be incomplete. It will leak. This will make life hard on 'normal' RF readers, but special-build units may be able to read a passport at distance even despite the foil cover.
Perhaps. However, keep in mind that normal readers can only get a response from the card when it's within 2 inches. Special-built, illegal units that generate dangerously high power levels can push this out to as much as 30 inches, with very careful orientation of passport and reader antenna. Add some shie
Re:Sol, if you're scanning the passport (Score:3, Informative)
If you're physically scanning the passport, you no longer have any of the advantages of RFID over, say, magstripe or 2D barcodes.
Yes, you do, actually. Two major advantages. The first is that the chip can authenticate itself cryptographically, making forgery vastly more difficult. The second is data volumes. You could hold enough data on a magnetic stripe (though it would have to be both much larger and far more dense -- and correspondingly less reliable -- than a credit card stripe) but you'd have
Operatic end (Score:2, Funny)
I urge all downloaders to demand a refund
better soldier email story (Score:2)
Don't you think that if the soldier wanted the family to have a given email he would have sent it to them?
Re:better soldier email story (Score:2)
Are you really going to spend lots of time going through every email and sending it to family - just in case you die?
no, because you pro
The Mind Hacks analysis (Score:4, Informative)
My Resume #2 (Score:4, Funny)
I recently applied for the soon-to-be opened positions of CEO and PR Manager at your company. My sole qualification of actually being alive has been nullified, apparently, due to the failure of Mr Sivertsen's raft within swimming distance of the Norwegian coast. In light of that event, I would like to revise my previous job request to include "raft support technician" or "sr. wetsuit admin", as these positions are now apparently available.
Thank you again for your time, I hope to hear from you soon.
Linux QX3 drivers (Score:5, Informative)
CPiA webcam driver for Linux [sourceforge.net]
Just turn on CONFIG_VIDEO_CPIA=m when you build your kernel. You can even use
CPiA is not made any more. Maybe the QX5 uses a similar webcam chip.
Old slashdot story [slashdot.org] about the QX3
Physically Scan (Score:5, Insightful)
Ok, at this point, they're already scanning the passport, why not just put all the information on the magnetic strip, rather than waste money on an additional RFID chip?
What's so great about "contactless"? (Score:2)
Email after death (Score:3, Insightful)
Unless your email is encrypted. If you care about privacy, make sure everyone has your pgp key and uses it.
It is up to users to protect email privacy, not ISPs and not mailbox hosts.
A mental scene I didn't need (Score:2, Insightful)
Somebody, Call Jim Cameron! (Score:2)
I think it was a really teeny tiny iceberg. I hope the movie is better than Open Water.
Re:The Passport Password (Score:5, Funny)
Gives new meaning to the old expression "Keep it under your [tinfoil] hat."
Re:The Passport Password (Score:2)
To obtain the key, a passport officer would need to physically scan the machine-readable text that's printed on the passport page beneath the photo...
Idiot.
Re:The Passport Password (Score:2)
Re:The Passport Password (Score:2)
Re:Privacy at death? (Score:2, Insightful)