skysight-inc/HackerNews huggingface dataset:
Add to that the fact that the other reactors there have stood up to a 9.1 quake with about 600 aftershocks -- ranging from mild to "I'm a pretty decent disaster all by myself" -- A sizable tidal wave and numerous fires with hydrogen explosions.

This could definitely have been far, far worse by now.
I found the article to be interesting and relevant--ad hominem attacks don't contribute to the discussion and I hope HN will eventually get over its self serving bias and discuss self critical issues at the same level as any other conversation.
Law School Online
Plan 9 code is beautiful http://plan9.bell-labs.com/sources/plan9/sys/src/

Although there are a few extensions in its C compiler
http://plan9.bell-labs.com/sys/doc/compiler.html
Ask HN: Does web language/framework affect acquisition chances?
Let's say I'm choosing between learning and coding a web app with RoR or Python/Django.

Does the choice affect acquisition chances? For instance, would google be more likely to acquire a Python/Django startup?
> how many more nuclear disasters is it going to take?

Indeed....please provide us with the list of nuclear disasters, it should be an easy exercise judging by the tone of confidence in your post. Just for fun, throw in some stats on deaths per kwh of electrcity.

PREDICTION: you will not respond to this, because there have been no nuclear disasters. And no one disputes that in practice, nuclear is the safest form of power statistically. If you want to assert that nuclear power is incredibly powerful and dangerous, that is one thing, but trying to pass off potential disaster as reality, is a but disingenuous.
There are "groups" of people. You don't talk to your family the same way you talk to your friends. You don't talk to older people the same way you talk to younger people. I'm not even talking about the conscious stuff, like maybe trying to watch your language around certain groups. People unconsciously talk louder to older people. It's not because people consciously believe that all older people have hearing problems, it's just a pattern that they picked up by watching other people. Certain things get absorbed unconsciously. There are lots of ways of saying "I'm interested in your project". Sometimes, a person will only mean to say just that, but they will unwittingly couch it in a sexist form that they learned from other people. They don't mean to be sexist, but certain attitudes, vocabulary, phrases, etc can simply be copied from other people without understanding exactly how they affect the listener.

This isn't easy to fix. If we treat women like men, many of them will be put off. But apparently a lot of people (possibly including women?) in our "geek" culture don't know how to "be friendly to women", even when they want to be (because they've learned bad habits from other people). We can only fix this if women point out good role models for the rest of us to follow, or give us an itemized list of things that make them feel welcome. Pointing out bad stuff strikes me as ineffective.
Are you trying to make a point apart from refute-by-vague-association? What does a cherry-picked list of headlines have to do with the content of the linked article?
Shouldn't you have written 'for Job's sake'? That's the kind of sake the Japanese like to drink...
"Whether you like it or not, the beliefs of most intellectual engineer types is that the nuclear power plant dangers have been solved."

That reminds me of all the bragging about how the Titanic was "virtually unsinkable".
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Yes, the upbeat reaction to Fukushima outside Japan has been disturbing. The fact that it would be hard to equal Chernobyl doesn't diminish the reality that this is easily the second-worst disaster in the history of nuclear power. People have been killed, and the entire complex is effectively trashed. One reactor at TMI took 14 years and a billion dollars to clean up; Fukushima is going to be a nightmare to set right even if things don't get worse.

Of course, this is assuming that things aren't worse than the official statements let on. The sordid history of the Japanese nuclear industry, including falsification of safety records at Fukushima, doesn't inspire confidence. Japanese nuclear officials are notoriously slippery in front of the press, and the lack of reliable information from Fukushima has been very frustrating. No one really knows what's going on there, and every time the officials claim to have it under control another building explodes.
Why would an innovator spend their 20s trying to get a green card, instead of innovating elsewhere?
Show HN: Flight search to max. accr. mileage at best price (for frequent flyers)
Historically, coal-fired power plants have been much more dangerous for humans than nuclear power plants. I think the record shows that nuclear power is on the whole pretty safe.

Regarding proof: I don't think anything has been proven, yet, except that there have been a lot of powerful forces at work with this disaster.
God, I wish people would post a reply explaining why they downvoted something. I don't even know what my crime is here.

EDIT: It was nice of someone to upvote me back, but I still don't understand what caused the downvote in the first place. I certainly wasn't trying to be controversial.
I prefer my nuclear engineers to pay attention to the worst-case scenario, even if it does make them a wet blanket at parties.
Ycombinator is such a massive Apple fanboy hangout these days.
This'd probably make a good movie. It's like Wargames meets Real Genius. Haha
Well, for one - I would have paid until I lost my job and split - and I would likely have had a better "relationship" with the bank as I had never missed a mortgage payment or made it late in the 4 years i had the place.

However - I was obviously just some number to the bank given that they heartlessly sold my loan as some lump sum group of loans out without notification or explanation - so I can only speculate....
Thanks! The recommend this function right now is just to get positive feedback on one of your "things." We plan on letting you share each thing on twitter/facebook.
A live geiger counter that is set up in Western Tokyo. That upward tail is pretty troubling.
http://park18.wakwak.com/~weather/geiger_index.html
Oh, well, in that case, let's pack up and go home, guys. There can't possibly be anything to learn here.

The only thing that really troubles me about the otherwise excellent Hacker News community is this defensive/dismissive streak that shows up every time the subject of "women in tech" is raised. It's especially mystifying to me given how obvious the problem is: (gross generalizations follow)

- Many nerds have a shocking talent for being insular, insecure dicks

- Most nerds aren't women

- Nerds dominate tech

No chance at all this ends poorly for the outsiders, right?
Here's the English dubbed LIVE NHK news from Japan:

http://www3.nhk.or.jp/nhkworld/r/movie/
Something I don't understand:

I keep hearing about seawater being pumped into the reactor chamber but apparently the chamber is still very hot. Where is all this seawater going? Steam? How big is this chamber?

EDIT: Also I've heard of at least two explosions. Does this mean that containment vessels are compromised? What exactly exploded?
Well, at least one of the 2 possibilities is closer to the worst case since radioactivity levels are 500x (400 mill-sievert, from 800 u-sievert) what they were a few hours ago.
Hang on. No one is talking about automatic citizenship--and that is what a passport signifies. If the owner of your company had a permanent US residency visa, would the US be any the worse off?
Hydroelectric? http://en.wikipedia.org/wiki/Hydroelectricity#Ecosystem_dama...
OK, cool. So in other words like the "like" button that Facebook has, right? If so, I think the wording "Recommend this" may be a bit confusing.

Interested in seeing more.
Apple have _clearly_ explicitly given even quite junior staff the authority to "fix things", with a _big_ emphasis on "make the customer happy" outcomes.

I've often wondered why this isn't more common. It clearly creates loyal customers and has obvious potential to lead to increased profits long-term. I can't even begin to count the number of times I've been told an employee wasn't allowed to solve my problem in a simple, cost-effective and obvious way.
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Show HN: my sideproject Ohgle.it
I've been spending 5-10 hours a week building this with a few friends. Any feedback/suggestions are welcome!

http://ohgle.it

Thanks!
Alright, I applied some Google-fu to find out how FF4 RC1 scores on the same tests that Engadget mentioned in the IE9 article.

FF4 RC1 scores 97/100 on the Acid3 test, IE9 scores 95/100. We don't need to go into the accuracy of the rendering, they both fail. It would be nice if they caught up, Apple has been shipping an Acid3 compliant browser for 21 months already. Then there's SunSpider, the results of which differ as different hardware is used, but in all the reports that I found, IE9 scores better than FF4 RC1. And lastly, there's Peacekeeper. FF4 RC1 is dead last in that test, by quite a long ways.

So it didn't really matter whether Engadget used FF 3.6 or FF4 in their tests.

UPDATE: IE9 is out now: http://www.beautyoftheweb.com/
I thought we had learned better. Apparently not.
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You might be surprised to discover that a 40 year old life is fairly standard in nuclear power plants[1], in fact some countries hope to keep their plants active for closer to 60 years. At close to $7B+ investment in just the building phase of a modern nuclear plant and close to 7-10 years construction time per plant[2], the limited lifetime of the plant does start to become a concern in the financial sense though.

[1]: http://www.iaea.org/newscenter/news/2007/npp_extension.html
[2]: http://en.wikipedia.org/wiki/European_Pressurized_Reactor
I hope that "PhD scientist" who isn't worried about Japan's nuclear reactors...
is donating profusely to all of those who heeded his advice to not worry/be happy and are now suffering from radiation exposure.

Why I am not worried about Japan’s nuclear reactors http://news.ycombinator.com/item?id=2318980

Unsurprisingly, the original post has been removed; a highly-editied version appears on MIT NSE Nuclear Information Hub.

Perhaps that "PhD scientist" would do well to read the words of an actual nuclear expert:

Nuclear expert: '50-50 chance of catastrophic radiation' in Japan
http://www.tucsonsentinel.com/nationworld/report/031411_japan_radiation

Arnold Gundersen, a 39-year veteran of the nuclear industry. Now chief engineer at Fairwinds Associates, he has worked as a nuclear plant operator and he served as an expert witness in the investigation into the Three Mile Island accident.
This is a longish, very specific (but apparently also overoptimistic) description of the mechanics of the reactor problems. http://theenergycollective.com/barrybrook/53461/fukushima-nu...
Yes, in history. But that turns an eye to black swan events of mass proportion that only nuclear power is capable of.
In Germany, Uproar Over a Doctoral Thesis
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I salute you. Good luck!
Safer than solar or wind power?
"Just for fun, throw in some stats on deaths per kwh of electrcity."

How many kwh of electricity is your life worth?

How many kwh or electricity are the nearly 1 million people who died as a result of the Chernobyl disaster worth? [1]

And I'd love to hear you show me a list of solar array or wind farm accidents that prove nuclear power is safer than either.

If Chernobyl or the Fukushima plants were solar arrays or wind farms, how much environmental damage and cost in human suffering would there have been were they to have been destroyed?

I'm looking forward to hearing you sing about how nuclear is the "safest form of power statistically" if the radioactive cloud from Fukushima ever winds up floating over your home town.

---

[1] "Nearly one million people around the world died from exposure to radiation released by the 1986 nuclear disaster at the Chernobyl reactor, finds a new book from the New York Academy of Sciences"

http://www.ens-newswire.com/ens/apr2010/2010-04-26-01.html
SMS hoax about Fukushima fallout disrupts Philippines
However, nuclear power generation is serious. Things happen very fast and can turn nasty in milliseconds if you don't pay attention, if you don't understand what is happening, if you don't know what you are doing and if you don't have the right tools at hand to deal with whatever is going on.

One thing I learned in school is that you respect any machine bigger than you.

I have no idea why things went so completely wrong there. I always assumed people who design and build nuclear reactors do so in ways they can't fail. Now I am more inclined to believe they are happy to have plans B through G instead of having a really bulletproof plan A. It's certainly more impressive to list a long series of failsafe devices than just having a very unimpressive core that can cool itself in the event of an emergency.

It appears they were much less respectful than they should have been. Some people may end up paying with their lives.
My question is why this visa limiting to STEM majors only? What about business and finance majors? Aren't business students likely to start a company too?
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unless we're nuclear engineers, there is nothing we can do about the situation besides donate to relief organizations. with no productive actions to take, why should we assume anything?
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Hm, what are we supposed to learn? That everything might go badly? How can we apply that lesson to nuke reactors? By my count, 8 levels of failsafes have failed. How many more do you want? Reminds me of a Futurama episode where an oil tanker with 1,000 hulls crashes and spills. Fry exclaims, "Oh, if only we'd had the foresight to use 1,001 hulls, this would never have happened!"
You're conflating the question of nuclear engineers preparing for the worst with question of whether, given two possible scenarios, we should just assume the worst (and, as implied by the GP, suggest that there is something defective with people who didn't make the negative assumption). The differences are incalculable.
Site is slow and not all graphs are loading, here's a SS I took of it with both this years and last years graph:

http://imgur.com/L8WKW?full
Sadly, custom triggers seem to not work in Quicksilver on Snow Leopard. One can create a shortcut hotkey and check some options, but the UI fails when one tries to define the Action.
Donating My Apps Revenue to Japan Tsunami Victims
Which facts that he posted were inaccurate? And note that I'm not talking about his opinions based on the facts, but rather the facts that he used as evidence?

UPDATE: I'm not trying to be snarky here. I'm very interested in this situation and want a clearer picture of it, and it would be nice if someone who understands the complexities of this matter would comment, as the facts in the original post (which is now being slammed) seemed to indicate at the very least cautious optimism.

(FYI, the post that was originally on the FP has moved here: http://mitnse.com/)
Whilst I can't claim to know the answer to your question, my guess/understanding is that it goes around the circuit and condenses in the heat exchange. It is then recycled.

Some steam is lost when they vent hydrogen, presumably.
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You Can Stop Worrying About A Radiation Disaster In Japan - Here's Why
Only nuclear power? What about the BP oil spill? Exxon Valdez? Coal slurry wiping out homes in West Virginia?
Just as an added data point, one of the earliest measurements released (just before or after the first explosion) was 1015 µSv.
What is your suggested alternative to nuclear power, and what is its figure of deaths per kWhr?
That said, there have been some pretty nasty events associated with coal as well, which are however surprisingly unknown:
http://en.wikipedia.org/wiki/Kingston_Fossil_Plant_coal_fly_...
http://en.wikipedia.org/wiki/Martin_County_sludge_spill

Doesn't compare to the potential consequences of a nuclear incident, but it's quite possible to build and mishandle crappy coal infrastructure, too.
Small correction - this current disaster is worse than 3-Mile-Island.
This doesn't apply to all such people but non-technical startup founders - unless the idea is very much -non- technical - don't garner any sympathy from me. My opinion is mostly based on having worked with, but mostly just for, some types who wanna squeeze you for technical information so they can shine for VCs without giving you much stake in anything. Worse yet are the ones who're aiming to be bought by Google or some other similar tech-giant that was founded by technical members. The smart people in this group will get paired up with a technical founder quick, but even still how will they know someone's the real deal? Really it just boils down to a question of how one expects to "win the war" if they are not - and have never been - "in the trenches"? Then again, I'm pretty certain those particular guys i've worked for were just special pieces of work and that senselessness is not a trait specific to non-technical founders o:)
"This could definitely have been far, far worse by now."

It still can. The disaster may be far from over.

And it may take quite a while to calculate the real cost of this disaster, both economically and in terms of human life.
Or more recently, oil rigs and tankers.
It never seems to be that way with GNU/open source software though. As soon as you go against the spirit of the license, people talk about "theft" and "stealing"...when in reality, it's just bytes on a computer...just like proprietary software, music, and movies.
its human nature
I'm not sure that the bulk of Bon Jovi's money comes from record sales. His tours have brought in something like $500,000,000 in the last 6 years. (http://en.wikipedia.org/wiki/Bon_Jovi)

Everything I've heard on the subject is that bands make more money touring than recording. I believe this is because even though the costs of touring are much greater, the record companies take the majority of the money from album sales.
Hi!

You seem to be somewhat misinformed about Dr. Josef Oehman. You are correct, he does not have a PhD in Nuclear Engineering. And yes, he is currently teaching English in Japan. He is not a English Teacher by training, he is a research scientist "working on working on product development processes with MIT's Lean Advancement Initiative and the MIT-KFUPM Center for Clean Water and Energy." His undergraduate schooling is in Mechanical Engineering (looks like a focus on process design).

To be honest, the scorn you are heaping on English Teachers is misplaced to begin with, but if you're going to mock him, mock him as "Mr. Research Scientist". It's more accurate, and since you seem to be concerned with accuracy and titles, it would be appropriate.

Here is the source for most of this information.
http://lean.mit.edu/index.php?option=com_content&view=ar...
> They were pretty surprised to hear that bullies act out of insecurity.

"We hate in others what we see in ourselves."

I find that old chestnut rings more true every time I find my ire rising.
I don't understand how he could think that fans are better off basing their music purchases on http://www.google.com/images?q=bon+jovi+album+covers rather than on http://www.emusic.com/artist/Bon-Jovi-MP3-Download/11661659.... or the iTunes store equivalent.
Flickr seems to have a good social aspect but other than that I detest their web interface and don't understand how or why people use it. It seems designed to make it hard to casually browse photos, inserting a painful full page reload in between every image I click. PicasaWeb is miles easier to use. Ironically, I don't really like the Picasa rich client so I use a different tool and configure it to upload to PicasaWeb.
it's human nature, by finding faults in others it makes yourself feel more superior. plus it's always easier to hate than love.
The problem with hydro is that you can't build it where you need the power (unless geography - or real estate - is uncannily nice to you)

Most of Brazil depends on a single hydro facility with endless miles of aluminum wires crossing the southeast part of the country. If anything serious fails there, the country pretty much stops.

Renewables like solar, hydro, biomass, and wind have their place, but you don't generate solar during night, you may want to spare your water during a drought, you may need to eat the biomass and you may have days without wind. Nuclear too has its place. Technology is a tool we should wield with reason, not passion.
Bingo. Theoretically, someone could even start an outsourcing firm not unlike Wipro, Infosys, etc, hire 3 employees in the US (a receptionist, etc) and the net impact would actually be a NET loss of many jobs.
Steve Jobs has applied a "correction" to the music industry by enabling the end-customer to buy just what they want. Of course this reduces music industry's revenues so they become upset.

Steve Jobs really saved the music industry from piracy. People were once pirating music using Napster and ilk. Steve created a platform where people could buy (and still not have to pay for the whole album). I used to look for music from my own country, with generally no stores around. Now I can buy from Amazon.com with ease and I do.

Music is not the only industry to be (or still to be) reformed by technology. When was the last time I approached a human travel agent to buy my air tickets? How many times do I use postal service today? Or make expensive international calls? Read paper newspapers?

Now with E-readers, it's print industry that's retaliating to the "changes" coming from technical development. It's gonna happen, so they better start living it themselves and rather make something out of it for themselves.
> That you can finger-append in O(u) is misleading, since ideally u≃log n

What's finger-append?

> finger operations are amortized O(1) in AVL trees (I know it's been shown empirically, not sure if analytically)

Do you have a citation for that? I thought delete was Theta(lg n) expected, even from a finger.
I think the lesson the poster was implying is that nuclear power is not safe, and cannot be made safe.

Also, I'm not sure what you define as "failsafes", but the conventional measurement is number of containment levels. This reactor had 3, while I believe more modern reactors have 4.
this is really great, well done. Finding some interesting colours from surprising keywords. http://colorapi.com/#!q/chipotle , http://colorapi.com/#!q/lapland (for some reason showing a quite nice scheme taken from a lego church), http://colorapi.com/#!q/athens

I've been playing around with node.js as well, lately. It really is very nice for trying new ideas.
Apparently at least reactor 1 at Dai-ichi (which was the primary one to make trouble at the time he wrote the text, AFAIR) is too old a model to have the "core catcher" that he was saying would contain the corium in the case of a full meltdown.
Chernobyl Plume: Country by Country Summary
Angry Birds maker predicts the death of console gaming
FYI yahoo mail is still huge.
Is there a better way than this for scheme (racket)?

(map (lambda (n)
(displayln n))
(cdr (build-list 1001 values)))
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Thanks for deleting my comment on how to add the hello bar to Tumblr, easily. Good job.
I will update HN comments with the results at the end of March. Thanks for your support and please spread the word.
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