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Earth

Cause of Global Warming 'Hiatus' Found Deep In the Atlantic 465

vinces99 writes with news about a study that may account for a slowdown in air temperature rises. Following rapid warming in the late 20th century, this century has so far seen surprisingly little increase in the average temperature at the Earth's surface. More than a dozen theories have now been proposed for the so-called global warming hiatus, ranging from air pollution to volcanoes to sunspots. New research from the University of Washington shows the heat absent from the surface is plunging deep in the north and south Atlantic Ocean, and is part of a naturally occurring cycle. The study is published in Science. Subsurface ocean warming explains why global average air temperatures have flatlined since 1999, despite greenhouse gases trapping more solar heat at the Earth's surface. "Every week there's a new explanation of the hiatus," said corresponding author Ka-Kit Tung, a UW professor of applied mathematics and adjunct faculty member in atmospheric sciences. "Many of the earlier papers had necessarily focused on symptoms at the surface of the Earth, where we see many different and related phenomena. We looked at observations in the ocean to try to find the underlying cause." What they found is that a slow-moving current in the Atlantic, which carries heat between the two poles, sped up earlier this century to draw heat down almost a mile (1,500 meters). Most previous studies focused on shorter-term variability or particles that could block incoming sunlight, but they could not explain the massive amount of heat missing for more than a decade.

Comment Re:Change.org is just another bulletin board (Score 0) 239

A petition with 13 signatures is not worth mentioning. Any idiot can set one up.

You mean any idiot with 12 idiot friends.

You make it sound like the new testamant.

Nah, that's not quite accurate. For the New Testament, you'd need any idiot with 11 idiot friends and one guy pretending to be his friend while actually plotting to kill him.

Comment Re:Too much good content is deleted at Wikipedia. (Score 5, Interesting) 239

I quickly found out that the notability idiots over at Wikipedia have repeatedly chosen to target it for elimination.

Yeah, this kind of stuff has been around a long time. I was somewhat active in the early days of Wikipedia, especially 2004-06 or so, and there would be these sorts of arguments all the time.

Back then, you'd have editors asserting that entire major academic subdisciplines didn't exist and try to go on a deletion spree. Thankfully, someone would eventually come along and be like, "Uh, I can cite a couple dozen journals that publish hundreds of pages on this stuff every year."

I've never understood the deletionist argument. It's one of many, many reasons I stopped trying to edit Wikipedia a long time ago. Somehow the world is a better place if we have a page on everyone's favorite episode of some obscure television show, but dare to include some other thing and it's "not notable." Notability is fundamentally broken on Wikipedia (as are a bunch of other things).

But think about it -- Wikipedia is a self-selecting bureaucratic community. The only people who stick around long are people used to arguing about nonsense policies, and thus it becomes self-reinforcing. Things like X aren't "notable" because the policy says they aren't notable, and the policy is arbitrated and modified by people like us, so... well, why not just say, "We don't want X here."

Of course, it's not that simple -- and I don't think most Wikipedia editors are actually trying to censor anything. But lots of important stuff can get caught in this weird feedback loop that "obviously it isn't notable" because, well nothing else like it is notable, because, well, our policies exclude those things, because, well, we designed the policies, because, well, people like us will always tend to write policies like that, but, well, we have to follow the policies.

The thing I've never quite understood is why deleted pages aren't archived. That tells you right away that the deletionist folks are obviously up to no good. Everything else is always archived on Wikipedia, and there are talk page debates that go on and on and on (if you want nerdy flame-worthy entertainment for an entire afternoon, someday go and read the talk page archive for "centrifugal force").

But for some reason we can't archive deleted pages. Why the heck not? Are we afraid that someone might come along again and argue that it shouldn't be deleted? Well, everybody else on Wikipedia argues continuously about sections of articles that have been reworded or links that were added or deleted or whatever -- and these arguments happen repeatedly. But for some reason, deletion is more-or-less final. There doesn't ever seem to be the idea that, "Hey, maybe we don't actually have enough qualified editors to FIND the notable stuff about this topic, and maybe we shouldn't permanently delete everything in case it turns out to have some good information, so people don't have to start over again and write the whole thing up again."

It's all weird. It's a weird place. And deletion policies are probably the most ridiculous thing they have.

Submission + - Would Scottish independence mean the end of UK's nuclear arsenal? (thebulletin.org)

Lasrick writes: The referendum on Scottish independence on September 18th affects more than just residents of the United Kingdom. All of the UK's nuclear deterrent is located in Scotland (no wonder they want independence), and Alex Salmond and the Scottish government have pledged to safely remove and permanently ban nuclear weapons from Scottish territory within the first term of a newly independent parliament. Although the polls seem not to favor Scottish independence, you would think the British government would have some sort of contingency plan to quickly and safely remove these weapons from Scottish soil. Nope. There's no contingency plan.

Submission + - EU rules limit vacuum cleaners to 1600W from the 1st of September

AmiMoJo writes: New EU rules are limiting vacuum cleaner motors to 1600W from 2014/09/01. The EU summary of the new rules explains that consumers currently equate watts with cleaning power, which is not the case. Manufacturers will be required to put ratings on packaging, including energy efficiency, cleaning efficiency on hard and carpeted floors, and dust emissions from the exhaust. In the EU vacuum cleaners use more energy than the whole of Denmark, and produce more emissions than dishwashers and washing machines.

Comment Re:Nobody else seems to want it (Score 1) 727

As someone who has written Windows drivers I can tell you that this isn't true.

All you need to write basic drivers is a $150 certificate to sign them with. The user will see a warning about "Do you trust $COMPANY?" when installing, but they will install and work fine. It's a good compromise and gives some basic security for modules that operate in the kernel space and were often used by malware writers. It's a lower bar than required to get an app onto iOS, for example, as Microsoft don't check anything. You just need to buy the cert from a vendor who does a few basic checks to see if you are who you claim to be (e.g. name on certificate matches corporate email address/web URL).

You can buy a more expensive type of cert that makes the warnings go away. It involves more detailed checks. You can also get your drivers WHQL certified, but that isn't by any means a requirement for them to work. They just get a nice logo and can be put on Windows Update for automatic download and installation.

And yes, there is a developer mode that lets you use unsigned drivers for testing or your own purposes if you really don't want to pay. It's not a perfect system but it has reduced driver based malware significantly while not placing a particularly large burden on companies like mine that just need to sign a few drivers for their low volume products.

Comment Re:Faulty logic (Score 1) 155

This is why you should avoid using US based hosts and registrars. Pick one that isn't subject to the DMCA and can ignore takedowns sent to it.

I've had a couple of DMCA takedown messages. Sometimes I just respond with "wrong jurisdiction, dipshit", but sometimes I try to string them along for a while since lawyer time costs them money.

Comment Re:Cities: an obsolete solution (Score 1) 276

The problem is the amount of planning and control that would be needed. To make smaller areas viable to live in they need really good and really cheap transport links, as well as a minimum set of high quality services. For example, it would require there to be a certain number of local doctor's surgeries so that people don't have to travel far just to see one. That isn't too bad if you have socialized healthcare, but in many places such practices are businesses run for profit and won't want to operate in unprofitable areas.

Comment Re:Question of Reliability (Score 1) 276

They are not suggesting getting rid of private vehicles completely, just making public transport so good that no-one really needs them most of the time. And yeah, Finland is one of those countries where people treat public property with respect.

Japan is similar, and it's pointless having a car in Tokyo for many journeys.

Comment Re:Fire (Score 2, Interesting) 143

Nuh uh! There are also compressed air cars - they only explosively decompress upon tank failure! ;)

At least with batteries, flammability or explosiveness aren't a fundamental requirement of how you're trying to propel the vehicle, just an unfortunate side effect of some variants of the technology (even not all types of li-ions are flammable). There's lots of people who assume that flammability is a consequence of electrical energy density, but that's just not the case. The actual charge/discharge lithium batteries via intercalating into the anode or cathode is more an atomic-scale equivalent of compressing air into a tank, you're having little affect on the substrate flammabilities and you're not even changing their chemical bonding, you're just cramming lithium ions into the space between their atoms. The flammabilty of some types comes from side effects, such as flammable electrolytes or membrane failures leading to lithium metal plating out; these aren't a fundamental aspect of the energy storage process.

Now, li-air, that involves an actual lithium metal electrode, and that is fundamentally flammable. Of course, so is gasoline. I have no doubt that they can reduce fire risks on li-air cells and keep them properly contained to prevent failure propagations. My bigger issues with li-air are its terrible efficiency, lifespan, and cost. I'm certain the latter would come down, and I expect that they can improve the lifespan, but I'm a bit uneasy about how much they can improve its efficiency. Right now, they're as inefficient as a fuel cell. : Who wants to waste three times as much power per mile as is necessary?

Comment Re:non sequitur? (Score 1) 143

It is a non-sequiteur. The energy density of a li-ion battery doesn't even approach the theoretical maximum storage for the element lithium shifting between ionization states. That's hardly the only way this article is terrible, mind you. My head hurt every time they said the word "efficiency", it's like they were using it to mean everything possible except for actual efficiency. And if I read it right - who knows, the article is such a total mess - the researcher isn't talking about reducing battery cost, but increasing longevity. But maybe that was mangled too.

Comment Re:Sigh (Score 1) 748

I prefer hearing "we don't want to hire you because you're gay" to lame excuses, or worse, ending up in a workplace that doesn't accept me.

I don't know what the law is like where you live but if someone said that here it would be illegal. They would likely be prosecuted for discrimination, and you could sue them personally too. I really don't see how that is worse than just accepting you can't get some jobs because of your sexuality.

I'd make the comparison with being black. I don't think many black people would agree that simply accepting overt discrimination is better than having laws and a society that supports equality for them, even if they still have to fight from time to time. Unlike you they can't hide the fact that they are black either.

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