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Australian thin king

January 6th 2012 05:48
:  
bikini atomic power plant
A picture of a woman in a bikini in front of a Russian atomic power plant. This picture is only vaguely related to the story below.
Many years ago I heard a marvellous story involving political intrigue, back-room diplomacy and technological marvel.


It was a story from the 1980s and involved an American scientific breakthrough, the development of a filament so thin that it could only be seen under a microscopic. It was way thinner than the cables commonly used at that time to carry stuff like electricity. It was the thinnest filament ever produced by man.

Well, American man.

In those pre-Google (and pre-Wikileaks) days, information was a scarcer commodity and international borders were thicker. Perhaps the two things were related.

Thicker borders meant fewer firm friends and less knowledge of what everyone else was doing. What the Americans needed was a second opinion, a trusted, knowledgable friend who could confirm that they really had invented the world's thinnest filament.

So they contacted their best friend, the British, and said, "Have a look at this, would you, and tell us what you think."

The Brits took the filament and showed it, hush-hush-like, to a few of their best scientists, and all agreed that they had never seen anything so thin.


The world's a big place, however, especially without Google, and the Brits had an idea. The Japanese were getting quite a reputation, in the early 1980s, for technological innovation, and the Brits and the Japs were getting along quite well at the time. So what about asking for a third opinion? The Japanese need not know the filament came from America, and the Americans need not know the Japanese had been consulted.

Is this the thinnest filament ever invented, the Brits asked the Japanese. Could, indeed, anything thinner ever be created?

The Japanese had a look, and sent the filament back to the Brits with a hole drilled through the middle.

The story was probably an urban myth, one of those yarns which don't let the truth get in the way of entertainment, but it came vividly to mind this week with the news of a breakthrough by scientists at the University of New South Wales in Sydney, Australia. They have invented a filament four atoms wide and one atom thick.

This is no urban myth. If you don't believe me, Google it.

You'll all want to know the details, so here they are in plain words: they did it by adding phosphorous to silicon crystal, thereby breaking through the resistivity issues they'd been having below the 10 nanometre level.

The Aussie scientists are pretty pleased, but we suggest they don't send an example to the Japanese. They'd probably send it back with a hole drilled through an atom.

19
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: Vyoos news
bacterium

Living to be 34,000 years old would have some advantages (you'd have a lot of chances at the lottery), but there are some serious drawbacks too.

For a start, you would have to be a bacterium, which means that you would be limited, even if you did win the lottery, in what you could buy and enjoy.

Secondly, it's a long time to have a lousy view.

The 34,000-year-olds are a family of microbes were found by a research team digging in salt crystals at the bottom of Death Valley in California. The ancients were found living inside tiny, fluid-filled chambers within the crystals.

Brian Schubert, who made the discovery, described the find as a "very big surprise".

"They're alive," he said, "but they're not using any energy to swim around, they're not reproducing, they're not doing anything at all except maintaining themselves."

Long-term maintenance, but not much to look at and even less to do.

The story of the microbes has just been published in GSA Today, the publication of the Geological Society of America.




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Melissa's miracle

September 30th 2010 11:09
: Melissa's miracle
We love stories that feature heroism, determination, invention and, most of all, a happy ending.

Melissa Peacock is a 17-year-old from Bradford, England. She suffers from a rare condition called intracranial hypertension, or IH, which causes a build-up of spinal fluid in her skull which results in headaches.

The headaches have been described as "severe migraines", but another IH sufferer said calling them migraines is like calling the Nile a brook.

Melissa Peacock has been treated for eight years for the condition, but with little effect, and little relief from the headaches.

As a result, she has watched her friends enjoy a teenager's life while she has spent up to two weeks at a time in bed unable to move because of pain. Most of the time, she can't see properly. Sometimes she can barely see at all.

In her own words, it's like constantly trying to "see through a steamed-up window".

Melissa's inability to find relief from this miserable existence was not due to lack of trying from her doctors. The usual treatment for IH is a spinal puncture to drain the pooling fluid. It isn't a pleasant procedure. Melissa knows, she's had eight of them.

Her case proved unusual, if not unique, because the fluid built up again so quickly. The doctors needed to find another treatment.

They tried attaching a tube from Melissa's lower spine to her stomach, but it ended in disaster when the tube shifted and lodged in Melissa's neck. They tried the same thing again, but it ended in disaster when the tube shifted and lodged in Melissa's stomach, creating huge water blisters on her back and stomach as fluid leaked.

The doctors didn't give up.

Finally they came up with another idea; something radical, never tried before. They suggested a tube all the way from Melissa's skull to her stomach. The tube would be a permanent drain, removing the fluid as it collected from her brain, which couldn't cope with it, to her stomach, which could cope.

Her stomach would do with the fluid what it did with Melissa's dinner - check it for anything useful, and dispatch the rest to the waste disposal unit.

The idea worked.

"It has been a long journey but I can start to get on with the rest of my life now," Melissa Peacock said.

After eight years of agony, she deserves it. She's a hero just to have survived. Her determination over this period is a beacon to anyone suffering.

"I am studying photography at college now and hope I can go on to live a life that isn't controlled by my condition." We hope so too, Melissa.

As for the medical people who fashioned a miracle from iron will, skill and invention, you are as inspirational as Melissa Peacock.


110
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Questions about the afterlife

April 19th 2010 11:38
life after death

A remarkable story has unfolded today about the near-death experience of a three-year-old boy in Germany.

[ Click here to read more ]
75
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Should we abolish daylight saving?

April 4th 2010 20:28
daylight saving

VYOOS EDITORIAL
The debate about daylight saving seems to reappear every six months. Go figure


[ Click here to read more ]
116
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Women as bread winners

March 18th 2010 07:19
vervet monkeys, female dominant

So much for males being the bread winners. According to new research based on monkey responses we may, at a basic and instinctive level, see women as the bread winners.

[ Click here to read more ]
42
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large hadron collider
The Large Hadron Collider
A woman in Europe has failed to save the world after a court in Germany yesterday dismissed her claim that Earth is likely to be sucked into a black hole if scientists resume testing at the Large Hadron Collider, the world’s largest atom smasher.

The woman, who has not been named, was convinced a resumption of scientific work at the collider, which has had a checkered and controversial history, posed a serious threat to the planet. She was so worried, she took her case to the German Constitutional Court in Karlsruhe


[ Click here to read more ]
64
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chimpanzee autonoetic consciousness

A chimpanzee in a Swedish zoo who calmly collected stones at night and threw them in frenzied attacks on zoo visitors during the day has scientists excited.

[ Click here to read more ]
75
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Water bears conquer space

October 24th 2008 17:23
tardigrade water bear

There are creatures indigenous to this planet called tardigrades and they are in the news because it has just been discovered that they can live in space. Outer space. Vacuum territory. The place where, it has previously been believed, the only things that can survive are some of the hardier forms of cosmic dust.

[ Click here to read more ]
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Miracle shark pregnancy, again

October 11th 2008 06:07
shark baby

Scientists have used DNA testing to confirm that a female Atlantic shark named Tidbit has become pregnant without any contact with a male shark.

[ Click here to read more ]
85
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A warp in the dark

August 12th 2008 06:43
warp drive
Image: c0d3m0nk3y.com

The first of an occasional series which will attempt to explain in layman's terms some of the weird and wonderful stuff that scientists do.
[ Click here to read more ]
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