Maybe too much information in this post...

Looks easy enough... but not for everyone - In Depth - theage.com.au

This article is all about pauresis, the inability to readily urinate in close proximity to others. Mostly suffered by men because of the open design of most public urinals.

I think most men would guess, from the number of guys who head to the stalls in a public toilet, that it is not an uncommon problem. Indeed, it's not that unusual to see men who leave the stall door while standing to pee. They just need that additional bit of privacy. The Age article notes that "...a 1975 study by two psychologists at the University of Idaho that found a quarter of the male college students they questioned reported difficulty "getting started" when using public urinals." At another point it says:

People acknowledging occasional problems with hesitancy include Oprah Winfrey, Andrew Denton and US shock jock Howard Stern. In fact, recent studies show that about 7per cent of the public may suffer from this social anxiety disorder to some extent.

As an intermittent mild sufferer of this myself (and yes, just as the article suggests, it was started by some taunting by some nasty older kid behind me in primary school,) I have never understood why the designers of public toilets in Australia (or most of the world) do not seem to pay any attention to this as an issue. For example, going back to my trips to Disneyland in the 1980's, I noticed how the toilets there had the individual urinal that is now common here, but with simple privacy screens attached to the wall between them. These just extended about 40 cm or so between each urinal, mid body, and meant that you just had that additional bit of privacy. It worked for me. I remember thinking at the time that it was nice to see that Disney understood the problem, as I think before that trip I had already read something about paruresis, and the screens seemed to be addressing that issue. (Now that I think about it, maybe it also had something to do with not wanting pedophiles to be able to "check out" boys, but I am not about to write to Disney to ask about their primary motive for this design!)

Ever since then, I have tended to notice whether public toilets have copied this, and I think I can say without fear of contradiction that it is extremely rare to find in Australia, even in toilets in new buildings.

This is an extremely simple and inexpensive feature to put in a new toilet being built, so why hasn't it caught on? If it would make up to , say, 20% of men feel more comfortable, isn't it worth it?

I note that the Age article features the story of a guy with paruresis so severe he can't even go in an aircraft toilet easily. Now that is severe, and I can't imagine why he didn't seek help about this before he was in his fifties.

On the Virginia Tech killings

Cho Seung-Hui's Plays - News Bloggers

Assuming they are genuine, it is pretty weird reading two short plays by a mass murderer that indicate he did indeed have serious mental issues of some description or other.

I am not sure how I feel about the rapid publishing of this material. It's ghoulishly interesting, but seems too soon after the event.

In cases like this, I can't help thinking about the killer's family and the burden of guilt or shame they presumably must feel. (This is assuming they are relatively normal family and have not mistreated the killer as a child in any dire fashion.) I don't mean to diminish the pain of victims' families, but at least the death of an innocent victim does not carry the same psychological burden of self assessment as that of being the "normal" parent of a mass murderer.

On the topic of gun control philosophy generally that this raises, there's a good discussion in progress at Catallaxy.

Every time I think I need a break from blogging, along comes a story like this...

Toto to fix buttocks-scorching bidets | The Japan Times Online

Tipler on life in the universe

My favourite cosmologist Frank Tipler has a recent paper up on arxiv about intelligent life in the universe, and summarising the development of his end of universe theories first explained in length in The Physics of Immortality.

This one is under the arxiv section "popular physics" and is easier reading than some of his stuff. I guess I still have to work out what unitarity is, though, as it is rather crucial to his argument.

For the diminishing number of readers who have made it this far into this post: one of the things which gives me reservations about Tipler is his whole hearted endorsement of "many worlds" interpretation of quantum physics. Over at Quantum Quandaries there is a recent post arguing philosophically about "many worlds", and any post that deals with Kant and quantum physics is well worth reading, isn't it?

More on abortion in England

A crisis brought on by our selfish desires-Comment-Columnists-Libby Purves-TimesOnline

Libby Purves notes that in England they are having trouble finding enough young doctors willing to take on abortion training.

Her explanation of the law in England makes it sounds rather similar to ours, with its implementation effectively meaning abortion on demand.

I don't know why issues with abortion seem to be more actively discussed in that country than here.

The shorter Rudd

Just a quick comment: it seems that Kevin Rudd is in the odd position (at least for a Labor politician) of appearing to be much more unpopular with journalists than he is with the public.

How long can that go on?

How to end the drought

Despite meteorologists earlier this year giving us optimistic news about the end of the El Nino, Brisbane is extremely dry. Water supply dams are at about 20% capacity at the start of our dry winter season. We are meant to be in autumn, but this weekend, I saw that this week may have two days of 31 degrees. The hardware shop that I went to yesterday had sold out of greywater extension hoses, which everyone is buying to get washing machine water outside for the dying plants in their yards. One of my neighbours has lost several large palm trees, and I notice several others around the neighbourhood that are on their way out.

A lot of Australia is suffering, although it does seem that Brisbane has been in a particularly dry band this last year. Far North Queensland is fine; Sydney seems to have had many more days of rain than Brisbane.

Many people over the centuries have believed that drought is sent as a punishment from God. I don't think this is a very likely explanation, but then again there is the eerie co-incidence that Brisbane water supply has been on a downward trend ever since: THEY STARTED MAKING AUSTRALIAN BIG BROTHER HERE.

Have a look at the chart:



(There is a possible flaw in my theory in that it turns out, to my surprise, that BB has been going on since 2001. Maybe the first few seasons weren't as sleazy as those since 2004, when our combined dam levels just started sliding down the slope continuously.)

I find Big Brother the most teeth grindingly awful thing ever shown on television in my lifetime. If I were God, I would want to punish any city hosting it.

Yes, I say that to end the drought, thousands of people should go to Dreamworld and burn down the Big Brother house (just before the new series starts) on the basis that:

a. it would please God (or gods of any description), or
b. even if you don't believe such action will end the drought, it would be a service to humanity anyway, as well as making me very happy.

Get your torches ready, there is no downside to the plan as far as I can see.

(Note: apologies to Danny Katz for my borrowing his trademark use of capitalization for humorous effect. Although, in fact, this post was not meant to be entirely humourous.)

Nick Cohen on eco death threats

Guardian Unlimited | Comment is free | Beware the noxious fumes of eco-extremism

Nick is no skeptic of global warming, but still points out how nasty extremism does not help the environmentalists' cause. This point that he makes at the end is quite important:

The absence of visible improvements sets climate-change legislation apart from every other anti-pollution measure. The Clean Air Act of the Fifties ended London's smogs. If Londoners complained about not being able to burn coal in the new smokeless zones, their councillors could point to the incontrovertible fact that deadly peasoupers had gone...

The prohibitions tackling climate change will stand in stark contrast. They will hurt, but they won't produce observable results.

Really stretching the argument

Abortion: why it’s the ultimate motherly act-Comment-Columnists-Caitlin Moran-TimesOnline

This column from last week in The Times really stretches one part of the pro-choice argument 'til it's micron thin:

....what I do believe to be sacred — and, indeed, more useful to the earth as a whole — is trying to ensure that there are as few unbalanced, destructive people as possible. By whatever rationale you use, ending a pregnancy 12 weeks into gestation is incalculably more moral than bringing an unwanted child into this world. Or a child that, through no fault of its own, would be the destructor of a marriage, a family, a parent. It’s fairly inarguable to say that unhappy children, who then grew into very angry adults, have caused the great majority of mankind’s miseries. If psychoanalysis has, somewhat brutally, laid the responsibility for mental disorders at parents’ doors, the least we can do is to tip our hats to women aware enough not to create those troubled people in the first place.

This paragraph leaves open so many obvious lines of attack, I can't even be bothered starting.

The author is (somewhat like Aussie blogger Audrey ) also taking the line that women should admit that having an abortion is often an easy decision. Moran writes:

Last year I had an abortion, and I can honestly say it was one of the least difficult decisions of my life. I’m not being flippant when I say it took me longer to decide what work-tops to have in the kitchen than whether I was prepared to spend the rest of my life being responsible for a further human being. I knew I would see my existing two daughters less, my husband less, my career would be hamstrung and, most importantly of all, I was just too tired to do it all again.

I don't mind this admission, because I think most pro-life-ish people like me have always guessed or known from experience that it was true for a significant number of women. The "women never take the decision lightly" line is, I think, deployed as a tactic designed to stop detailed debate, particularly if it is a man with whom the argument is being conducted.

[Of course, the pro-life movement also uses the "women always suffer" line to its own ends, by (I think) inflating the problem of depression or other medical conditions following abortion.]

The point is that the mere question of how difficult a moral decision was (or wasn't) for some people is never really the answer to the question of whether it was the right decision.

American toilet humour

A couple of comments about this ad. First, wouldn't it be better to have the guy single and desperate, rather than having his (presumed) girlfriend or wife turn up at the end? (If it was in an apartment building, wouldn't it have been funnier to have the plumber herself seeing him doing this?)

Secondly, is there some issue about Americans needing stronger flushing power than the rest of the world? It just seems a bit of an odd feature to be promoting in a toilet.

The "incivility" problem

Guardian Unlimited | Comment is free | You're rude, crude and in my face - and I've had enough

This is a pretty good essay on the problem of "incivility" in society in Britain, with obvious relevance to Australia and other Western nations too. (Indeed, I have read articles from Japan in which the the impoliteness of youngsters in public is discussed.)

This always seems to be one of those problems that everyone can identify, but no one really comes with convincing ways to address.

Send in the battle dolphins

LiveScience.com - Navy Shows Off Its Terror-Fighting Dolphins

This US Navy work with dolphins doesn't get much publicity, but is going to be around for a few years yet, it seems. From the article:

...the Navy announced plans to send up to 30 dolphins and sea lions to patrol the waters of Washington state's Naval Base Kitsap-Bangor, which is home to nuclear submarines, ships and laboratories.

Both species can find mines and spot swimmers in murky waters. Working in unison, the dolphins can drop a flashing light near a mine or a swimmer. The sea lions carry in their mouths a cable and a handcuff-like device that clamps onto a terrorist's leg. Sailors can then use the cable to reel in the terrorist.

So that's what a croc eating an arm looks like

A vet’s helping hand is saved by surgeons-News-World-Asia-TimesOnline

I'm sure I won't be the only person linking to this story, but it is an arresting photo.

Out of depth

catallaxy - Those were the days - when Robert Manne had views on economics

This post over at Catallaxy is well worth reading. It's handy to be reminded of who used to say what about economics in the 1980's, and how wrong they turned out to be.

Another entry into the TV wars...

Sony aims to take lead in organic flat-screen TVs:

"We are going to mass produce and start selling eleven-inch organic electroluminescence (television) models by the end of the year, which will be a world first," said Sony spokesman Chisato Kitsukawa.

That's not a big screen, but this type of display is apparently bright and great to look at. They also use less power than an LCD screen, and are very thin. Look at these prototype ones:

Very cool, hey? (OK, just send me the cheque now, Sony.)

One for Tim Blair

Total destruction of forests predicted to cool Earth - Modelling study no excuse for deforestation, researchers warn.

I think I have read something like this before, but news@nature is running this story:

Large-scale deforestation — long fingered as a contributing factor in climate change — could cool Earth, say the researchers behind one of the first attempts to model the phenomenon at a global scale.

Logging is often attacked because living trees help to mop up carbon dioxide, thereby buffering rises in greenhouse gases. But deforestation has different effects in different parts of the world.

In high latitudes, for example, removing the forests could help to cool these regions. This is because the trees, which absorb sunlight, would be replaced by snow-covered fields in winter that reflect the light. But in tropical regions, cutting back on forests would mean that less water is transferred from soils into the atmosphere, meaning fewer clouds and a warmer planet.

Ken Caldeira of the Carnegie Institution of Washington in Stanford, California, and his colleagues have now compared these two effects and declared that the effect of boreal deforestation dominates. Removing all the forests would put a slight brake on global warming, they predict — enough to leave the world 0.3 °C cooler in 2100, they report..

Woodchipping for global warming - that should be Labor's new forestry policy.

Black hole science - interpretation needed

Regular readers know that I scan papers appearing on arxiv about black holes. They are often not easy to understand, to say the least. In fact, I half suspect that even other scientists outside of very narrow fields may find it an effort to follow most papers too. Here's a couple of recent examples:

The existence of closed timelike curves (CTCs) presents a clear violation of causality. In some cases these CTCs can be disregarded because to have them one ought to have an external force acting along the whole CTC, process that will consume a great amount of energy. The energy needed to travel a CTC in Godel universe is computed in [1]. For geodesics this is not the case since the external force is null, therefore the considerations of energy does not apply in this case and we have a bigger problem of breakdown of causality.

Following so far? Well, no, nor am I, but it sort of sounds significant, doesn't it? This was just the introduction to the paper, which actually found this:

In the present work we study the existence and stability under linear perturbation of CTCs in the spacetime associated to slowly rotating black hole (BH) pierced by a spinning string. We find that presence of the black hole makes possible to transform the CTCs present in the spinning string metric alone that are stable into CTGs. We also find sufficient conditions to have stable CTGs. This conditions are not very restrictive and can be easily fulfilled.

So, I gather that they think they have found a way that something which violates causality can be made around a black hole. If you are looking for some actual interpretation of what this means in real life, in language anyone can understand, it ain't in the paper.

Here's another obscure paper that may, or may not, be significant.

A new theorem for black holes is established. The mass of a black hole depends on where the observer is. The horizon mass theorem states that for all black holes: neutral, charged or rotating, the horizon mass is always twice the irreducible mass observed at infinity. The
horizon mass theorem is crucial for understanding the occurrence of Hawking radiation. Without black hole radiation, the Second Law of Thermodynamics is lost.

I have no idea what they are talking about, but in the paper, the authors use an exclamation mark, which means it must be significant (I think):

In each case, we found that the horizon mass is always twice the irreducible mass observed at infinity. The conclusion is surprising. The electrostatic energy and the rotational energy of a general black hole are all external quantities. They are absent inside the black hole!

This is also said to be relevant to Hawking Radiation, a matter of continuing interest due to the heavy reliance on it by the CERN people in figuring out what micro black holes will do.

By the way, the engineers and scientists at CERN made a mistake that recently caused a bit of a bang:

A £2 billion project to answer some of the biggest mysteries of the universe has been delayed by months after scientists building it made basic errors in their mathematical calculations.

The mistakes led to an explosion deep in the tunnel at the Cern particle accelerator complex near Geneva in Switzerland. It lifted a 20-ton magnet off its mountings, filling a tunnel with helium gas and forcing an evacuation.

Let's hope they do their work on what happens to micro black holes a bit more carefully.

More on Japan's odd creation myths

New look for Japan's oldest book | The Japan Times Online

A couple of weeks ago, I was surprised to read that old Japanese Shinto myths had a god molded from feces. Well, Shinto creation myths didn't end there. From the article above:

"The birth of Japan. The gods give us a story of love and violence." Thus is introduced this Japanese-language manga-illustrated edition of the "Kojiki" (Record of Ancient Matters) dating from 712 and Japan's oldest book. The publication is intended for primary-school children...

For some foreign readers, perhaps unable to read Japanese, the major interest will lie in observing the considerable violence with which the conventions of eighth-century Japanese narrative collide with those of our 21st century.

The text has been edited by a Yokohama National University professor and made more suitable than it actually is. The original has the very first woman, Izanami, burning her genitals when she gives birth to the fire god. Later, various gods are born from her vomit, feces and urine. Her own child, Susano'o, defecates in the sacred hall of his sister Amaterasu and then strews the feces about.

None of this is illustratable, even by the standards of modern manga, and so the celebrated result of such misbehavior -- the retreat of Amaterasu into her cave -- remains largely unmotivated.

And you thought Eve being made from Adam's rib was odd.

Libby takes on the bishops

Religion: it makes bishops go bonkers-Libby Purves-TimesOnline

I don't read much by Libby Purveson, so I can't recall where her politics generally lie. However this article, criticising the couple of English bishops who thought it was nice of Pres Ahmadinejad to mention religion when he released his captives, seems pretty accurate:

The cynicism of the Iranian leader’s lip-service to Easter and forgiveness should not need underlining. When Bishop Burns says they “put their faith into action to resolve the situation”, he ignores the fact that Iran caused the damn situation.

Cyclists limp home (yuk yuk yuk)

The cyclist's tight spot - Los Angeles Times

For all you ever wanted to know about cycling and sexual problems, read this article.

Actually, it indicates that it doesn't exactly affect a huge number of cyclists, but at perhaps 5%, it does seem a bit of a risk.

Here's some odd extracts from the story:

Because road cyclists lean forward on their bikes for better aerodynamic efficiency, Minkow later added a cutout in the nose of the saddle to relieve pressure on the perineum in this position. He is currently working on a design to help male triathletes, who pedal in an extreme forward aerodynamic lean. In that position, "you're riding on your penis," Minkow says...

In a study of 17 riders published in 2005 in the Journal of Sexual Medicine, researchers at the Boston University School of Medicine found that straddling a bike seat with a nose significantly reduced blood velocity in the arteries to the penis by more than 95%, but that sitting on a "two cheek" noseless saddle had virtually no adverse effect....

To this day, Goldstein says bicycles should come with a warning label, similar to those on cigarette packs, that cycling may cause impotence.

Well, just as long as they don't start adding photos to the warning like they do for cigarettes.