Sunday, July 31, 2011

Genetic shuffling the deck

Two new genetic maps of African-Americans reveal that humans have more active West African origin, where the chromosomes and matching genes, than in the case of European heritage.

Until recently, scientists knew next to nothing about the process used by humans and adjusting the parents ' genes to create a unique combination of a child, "says Chris Spencer, population geneticist at the Wellcome Trust Centre for human genetics at the University of Oxford in England. This process, known as recombination, helps also stick together until the time of the chromosomes to separate during the production of eggs and sperm.

Previously, scientists have recombinant only traces families and thought them that genetic information exchange has become at random. These new tests are the first describe how to map genetic shuffling in populations with unrelated persons. Studies also show that genetic movement actually occur at predetermined locations on chromosomes. "To do this, you must make a real contribution to the methodology, and they really nailed something about biology," says Spencer, who was not involved in either study.

The people of West African origin have 2500 recombination hot spots that are inactive in People of European ancestry, David Reich of Harvard Medical School, Simon Myers Oxford and big band colleagues report online on July 20, in nature.

A variant of the protein called PRDM9 is responsible for the creation of new recombinant, hotspot, the band shows. PRDM9 little bit acts as a Postman delivering mail to a certain postal code: where it will be stopped along a chromosome recombination can occur. A variant of the more commonly in people of West African proteins can read, the more zip codes and stops at more addresses than the protein normally found in the version of the Europeans.

The compiled map yourself just stated that belongs to the people of West Africa have a higher rate of recombination than people of European heritage. The African Caribbean and African-American men have an indirect rate, scientists at UCLA and colleagues many report online on July 20, in nature Genetics.

Intermediate level is the idea that the PRDM9 is responsible for recombination, "says John Novembre, population geneticist at UCLA and coauthor of research Genetics nature. "It's not a single recombinant factors overwhelm roots, the other," he says. However, the amount of the people of West African or European roots influence rates of recombination found researchers.

The team discovered five spots in the genome where recombination happens less frequently than expected. Four of these low points included a bit of a chromosome is reversed — that was flipped in an improper manner — that tracks the recombining chromosomes. The band has also indicated that recombination sites on chromosomes were active, in which there are add and remove large DNA fragments. Such additions and deletions may lead to disease.

Both maps were created to improve the research to find the genes that contribute to common diseases. The results indicate that the map for many ethnic groups, more should be made, Novembre says.

The findings could explain why Africa is so much human genetic diversity. Whether Reich did scientists used to think that this was because the people who stayed in Africa has never nipped down through their diversity of genetic bottlenecks as people whose ancestors migrated out of Africa, "he says. New studies suggest that recombination more, due to the active, may also have contributed to greater diversity, "he says.


Found in: genes and cells

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For children: Singeing takes bite out of snake venom

accessFast poisonous and hungry rodents, Eastern Brown Snake may increase by about seven feet long.Photograph made by Longhair

To a person who has a Rotten luck to get bitten by a poisonous snake is counting every second. The venom spreads rapidly from the bite to the rest of the body, causing pain, is that the suffering — even death. Australian scientists have found now to get a snakebite victims more time to get help.

Visit the new Science News for Kids website, read the full story: Singeing takes a bite out of snake venom


Found in: Science News for kids

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Saturday, July 30, 2011

Quantum theory gets physical

Physicists in Canada and Italy have a derivative of the quantum theory of the physical principles related to the storage, manipulation and sharing of information.

New work is a step in a long, ongoing efforts to find a basic physical motivation for calculating mathematical quantum physics, which describes the processes in the realms of Atomic and subatomic unerring accuracy, but samymy commonsense understanding.

"We would like to have a set of Axioms, which give us a little better understand the physics of quantum mechanics," says Michael Westmoreland, a mathematician at the University of Denison in Granville, Ohio, United States.

Quantum theory foundations now lie with abstract mathematical formulae, known as Hilbert spaces, and C * algebras. These abstractions work well for calculating probabilities given in the experiment. But the lack of intuitive physical meaning that those who know — elegance by physicists Albert Einstein theory of special relativity, for example, who says the constant speed of light, and that the laws of physics do not change from one reference frame to the next.

Giulio Chiribella, theoretical physicist at the Perimeter Institute for theoretical physics in the Canadian province of Ontario and friends have their approach based on the postulate called the "purification." System with uncertain ("mixed state") is always part of a larger "pure", which, in principle, be fully known, the team proposes A physical Review of July.

Consider a pawn. This spin zero particles that can decay into two spinning photons. Every single photon is in a State of uncertain – has equal chance spinning up or down. Photons together, however, include the pure State in which the centrifugation must always, in opposite directions.

"We may be ignorant of, but we have a full knowledge," says Chiribella.

This policy requires clean-up, known as the phenomenon of quantum entanglement ", which combines the parts to the whole. It also explains why quantum information may not be copied without their destruction, but it may be "teleported" — replicated to remote location after their destruction at the point of origin.

Based on this principle, Chiribella and friends have reproduced the structure of the mathematics of quantum mechanics using five additional Axioms related to the processing of information. Their Axioms include causality, the idea that now no measurement can influence future measurements and ideal compression, "which means that information can be encoded in a physical system, and then decoded with no failure. Other Axioms include the ability to distinguish the State apart, and the ability to create pure State measurements.

"One," says Christopher Fuchs, theoretical physicist at the perimeter. "This concept, something I think is along the line of trying to find a clear physical principles."

Is this a new derivation of the quantum theory prove to the simplest and most physically significant time will tell.

"What is easy or physically plausible is the question of personal taste," says Caslav Brukner, a physicist at the University of Vienna in Austria that wyhodowal an alternative set of Axioms.

Some of that transformation of quantum theory from the viewpoint of information could help to solve the outstanding problems in physics, such as how to unify quantum mechanics and gravity.

"If lots of formulas the same theory, you're more likely to have one that leads to the next is whether physics," says Ben Schumacher, theoretical physicist, Kenyon College in Gambier, Ohio, United States.


Found in: matter and energy and physics

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News in brief: genes and cells

Human liver implanted in a mouse plus new eye potato genome, Newt, and more in this week's news Web edition: Friday, July 15, 2011

New mutations in schizophrenia
New genetic errors have appeared more frequently in patients than their parents. The results may indicate that many cases of schizophrenia, new mutations arise spontaneously and are not the result of many inherited genes, working in concert. International Group of scientists decode genetic prior 14 sick and the parents of those persons. The team examined only for producing protein genes, which are a tiny fraction of genetic instructions, but found 15 new mutations in the eight people with schizophrenia. People with schizophrenia, develop new mutations in more than twice the height of the average, the researchers report online on July 10, in nature Genetics. — Tina Hesman Saey

Mice get human livers
The question of a mouse or a man just got a little fuzzy. The researchers, led by Sangeeta Bhatia MIT engineering artificial liver liver human cell on which the scaffold of the polymer, and then implanted liver packages under the skin or in the abdomens of the mouse. Mice with implants can break down drugs and protein product of the liver, just as humans do, the team reports online on July 11, in proceedings of National Academy of Sciences. Such "humanized" mice could be used to screen drugs and improve methods of treatment of diseases involving the liver. — Tina Hesman Saey

The Stroke Association be gone
Brains have a physical samonaprawiajaca of ingredients, which may help to prevent and redress from a blood clot caused by stroke. A piece of a protein called brain damage protects perlecan and helps cells, stimulation of the growth of new blood vessels, all without harmful side effects, an international group of researchers report online on July 11, in the journal of clinical investigation. Bit of a protein, called domain perlecan V restored the movement of the mouse and rat to prestroke levels when administered within 24 hours of the stroke. It is part of the brain's natural response of the stroke, the substance can be safely processed. — Tina Hesman Saey

The eye plays Newt
Shakespeare's witches can happy to learn that it is one of the Favorites of renewable resources of their components. Newts ' ability to regenerate the lens of the eye is not hampered by aging or repeated injury, an international team of scientists reports online 12 July as communications. Mammals, including humans, the loss of the possibility of renewal of the parts of the body to age but it seems that the newts don't have this problem. In the new study newts regrew lens 18 times in 16 years, without losing the quality of the lens. Learn how newts regenerate body parts can help improve human antiaging therapy. — Tina Hesman Saey

Potato genome
Po-tay-to, po-tah, however you pronounce, scientists are now calling the genome of the tubers (mainly) Done. Potatoes are 39,031 genes, an international group of scientists, known as the potato Genome Sequencing Consortium reports online on July 10, in nature. These genes are unique to 3,372 for potatoes. Analysis of the genetic potato liquid reveals that the plant made copies of his genetic instructions at least twice in the past. • Base of their resistance to disease and evolution of the bulbs may also be hidden between genes and the breeder may use the data to build better spuds. — Tina Hesman Saey


Found in: genes and cells

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News in brief: Atom and Cosmos

The planet Neptune, the return of the transient and cumbersome antineutrinos this week news Web edition: Tuesday, July 19, 2011

Transient planet
Some older stars can kick the planet from home and home, astronomers at the University of Cambridge in England in the forthcoming report of monthly notices of the Royal Astronomical Society. Several exoplanets were discovered around the star, appearing in the past their Prime, or even dead, and has been the secrets ... how to age stars affect the fate of planets. In the new research scientists found massive suffering the aging star could knock the planet off course an even eject them from orbit entirely. – Carlisle Camille

Neptune return statements
July 12, Neptune has reached the same hotfix, place where he was first discovered the 165 years ago. Runs slow gas giant so long to complete one revolution around the Sun, which orbits at a distance of 4.5 billion kilometres. German astronomer Johann Galle discovered the planet 23 September 1846, prompting predictions that are based on the orbits of Uranus and Newton's law of gravity. The planet was the first body is discovered, using mathematics, instead of serendipity. Astronomers because much learned about Neptune — such as finding the great dark spot and seeing the clouds changed from planet 40-year seasons. – Carlisle Camille

"Goodbye" electron antineutrino via an intermediate electron
This flighty particles called neutrinos have a new trick up their sleeve. One type, called electron antineutrino via an intermediate electron muon behaves differently than its counterpart, the muon neutrino. Physicists MINOS in collaboration with Fermi National Accelerator Laboratory in Batavia, fig, turns along the path of the neutrinos and antineutrinos 735-kilometre and watch as they disappear, possibly by converting to other molecules. Scientists have now seen a muon and electron, and electron antineutrino via an intermediate disappear for the first time, to notify online 5 July physical review letters. Measurements of physical properties of its disappearance does not correspond to those of its counterpart. If the scientists cannot exclude several easy explanations, new physics can Play. — Alexandra Witze

Nazdarovya! Russia launches radio telescope
Russia launched radio telescope of space for the Baikonur Cosmodrome in Kazakhstan, 18 July. Flying in orbit of an elliptical, Telescope Spektr-R is the distance of the peak, more than 300 000 kilometres of distance from Earth to the Moon — almost. When the network from the ground detectors, the 10-meter Telescope and its partners will provide a virtual "dish" about 30 times the diameter of the Earth — the largest yet. Thousands of times more powerful than the Hubble space telescope will peer closely superdish, black holes, pulsars, neutron stars and other cosmic phenomena. Telescopes at the National Radio Astronomy Observatory in Greenbank, w. Va., and Arecibo, Puerto Rico, are expected to act as an Earth-bound partners. Nadia – Drake


Found in: Atom and Cosmos

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Friday, July 29, 2011

News in brief: molecules/matter and energy

Snake venom harrowing off, flexible display screens and detection of krill the penguins this week newsWeb edition: Sunday, 17 July 2011

Snake venom does not sweat for opossums

Pit viper venom is getting podpajeczynówkowy does not sweat for certain species of opossum, which devour snakes with impunity. Now finding Why opossums do not give a hoot about prepare bitten researchers at the University of Minnesota and the American Museum of natural history in New York. Snake venom aimed at important protein clotting of blood, but blood clotter opossums is chemically modified and penetrated the toxin molecular clutch, researchers report online on June 22 in PLoS ONE. Another retro, which eat snakes, such as the honey forest, mongooses and kune Desert, have different ideas for rozbrajania toxins, suggesting that strategies are themselves responsible for antivenom has evolved, since many times in animals. – Rachel Ehrenberg

Flexible screen

The scientists created a prototype of an electronic display screen, which is thinner than a dime, and can be folded up like a piece of paper. The device employs a flexible organic light-emitting diodes, color filter and a protective layer that can be made at low temperatures. After 10,000 bends to reduce display brightness was so low was indiscernible to the human eye, scientists from Samsung in Korea and Purdue University in West Lafayette, Ind. report. When you bend deforms liquid crystal display, a new approach may make Paravane literally seamless. The prototype is described online July 7 in advanced materials. – Rachel Ehrenberg

Penguins Smells dinnertime

The smell of death is the dinner of the penguins. African penguins flock for Ocean spots which smell like dimethylsulfide, compound released when the krill and other small floaters meet their doom discovered the scientists in South Africa, from the University of Cape Town. Penguin for the presence of plankton dead or dying, it means that the feast of living fish eat krill in the vicinity. The penguins can track smell their prey food from two miles away, the team reports in the online journal of experimental biology, July 14. – Rachel Ehrenberg


Found in: matter and energy and molecules

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News in brief: Earth/environment

Tracking carbon dioxide, impressions of uranium and the understanding of the phthalates in boys this week newsWeb edition: Saturday 16th July 2011.

Tree mighty appetite

Forests worldwide sop up estimated metric tons of carbon per year 2.4 billion from the atmosphere, the new calculation shows, mainly in the form of carbon dioxide. But because many of the existing stands of forest get harvested each year and includes their stored carbon, the net result is little more than 1 billion tonnes more carbon entering the forests than leaving, an international team of scientists reports online on 14 July in science. Although the amount of carbon sequestration in the environment was known for large, exactly how much it was stored in the environment and where — such as in trees — was uncertain. — Janet Raloff

Growing climate Paradox

Release the two gases warming will accelerate in response to the growing carbon dioxide emissions. Carbon dioxide fertilizes plant growth, which involves gas in the tissues of the plant and soil. This environment should slow the anticipated capture acceleration of global warming. However, measurements by scientists in the United States and in Ireland now show that coal due to fertilizers can also help promote soils release nitrous oxide and methane, both wetlands and release of greenhouse gases. Such emissions can erase more than 16 per cent of the benefits of climate, expect from carbon sequestration in the soil, scientists report 14 July in nature. — Janet Raloff

Plastics compound may slow down the boys ' development

The higher a woman pregnant exposure to phthalates — compounds used in plastics and as solvents — the more likely it is her son will score a little low on the standard indices of mental and motor development for 6 months. Developmental point for girls showed no link to phthalates, researchers in Korea report online on July 7, in environmental health perspectives. Other studies have also shown to be more sensitive than males girls prenatal phthalate exposure. Urinary markers of three phthalates — each count in the third trimester of pregnancy — were somewhat lower among 460 Korean moms study than in some studies of American women. — Janet Raloff

In terms of uranium

The catch with nuclear smugglers could become a tad, easier with a new way to tell where the sample of uranium came from key viewed in a group of chemical elements, known as the rare, the scientists of the Nancy-Université in France write in August, the Terra Nova. The team analyses the uranium oxides from 18 locations across the globe to find the unique chemical elements game, rare earth beside the uranium ore was found. Various configurations are combined geological conditions in which rocks, researchers say. The method could help identify the source of the przemycanego uranium. — Alexandra Witze


Found in: Earth and environment

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Thursday, July 28, 2011

Mirror system gets an assist

Amputacji, brain systems that work in tandem to understand the observed taskWeb Edition: Friday, July 15, 2011

When the woman born. without limbs watches someone else sew, copycat regions in her brain to activate even though she Can't hold the needle, as herself. Additional areas of the brain, showing how to also present flexible brain are when it comes to observing and understanding the actions of others.

Scientists have known for over a decade on the mirror, the network of regions of the brain, typically activated by view and perform the action. But how the brain smoothly and quickly intuits that what others do, especially if the action is not something an observer may do so, it was clear, "says study coauthor Lisa Aziz-Zadeh of University of Southern California in Los Angeles.

In the study, healthy middle-aged woman, born. with no arms and legs underwent brain scans, as she watched the video for people to perform actions such as holding and eating a slice of apple, a sewing needle and finger tapping. The actions that the woman was capable of performing herself activated the system mirror, including parts of the brain that control movement. Mirror areas in even kicked for the tasks that the woman is a software in other ways, such as the dowieziono food using her mouth instead of hands. (The participant had prosthetics briefly as a teenager, but not used by the last 40 years.)

Woman witnessed actions that were impossible for her, for example, using scissors, its brain reverse system still kicked in, but additional brain regions recruited help. These additional regions usually are not needed when people view the jobs that are in a position to exercise, researchers write in coming from the cerebral cortex. It is thought that these regions are taking part in a process called "mentalizing," in which he tries to understand what someone else is thinking.

"What is interesting is that even if she cannot do it when it is not possible to her, she still recruits its mirrored-page layout, but it also recruits these regions mentalizing, Aziz-Zadeh said.

By suggesting that mentalizing system run for this woman when she cannot copy actions, new study helps, explanation of how these two systems of the brain work together, says cognitive neuroscientist Marcel Brass at the University of Ghent in Belgium.


Found in: Body and brain and humans

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Something in the air may cause lung soldiers

Breathing problems in soldiers from Iraq and Afghanistan is tracking to deposits in the small air passages of the lungs

Soldiers serving in the Middle East who develop breathing difficulties — but whose chest x-rays show nothing ordinary — have zaciskajacego acute bronchiolitis, a type of lung is practically unknown in the young adult survey.

Reporting on July 21, the New England Journal of medicine, physician Robert Miller, Vanderbilt University in Nashville and his colleagues documented condition in 38 49 soldiers studied, served in Iraq and Afghanistan and offered up with lung problems. Zaciskajacego acute bronchiolitis in which narrowed airways become narrow, carried soldiers unfit for active duty.

"Most of them say they did not seem to be catching their breath when exerting themselves," says study coauthor Matthew King, pulmonologist at Meharry Medical College, also in Nashville. And although anti-inflammatory medicine and steroids inhalation can help symptoms, says soldiers with acute bronchiolitis does not improve. "We have seen no reversibility."

Researchers discovered the condition, removing and analyzing small bits of lung tissue from soldiers who turned up badly from 2004 to 2009. All 49 of these biopsies showed abnormal tissue despite normal x-rays and inflammation in 38 soldiers indicated zaciskajacego acute bronchiolitis. Scarring and thickening of the tissues was common in this group, and all but one soldier harbored grayish black deposits of the lungs.

The origin and composition of deposits pneumonia remains unclear, King says. But the blackened nature of deposits of coal, suggesting fires signals.

Accumulating evidence of bad air in Iraq and Afghanistan. 2009 Survey of medical records to find more respiratory problems, personnel deployed there than in those stationed in other places. In March, scientists reported high levels of aluminum and lead in dust storms in Iraq (SN: 4/23/09, p. 15).

Anthony Shema, a doctor and an engineer at the University of Stony Brook, New York, has examined a soldier and that the small complexes of titanium and iron lung man, where the metals can cause scarring, inflammation and damage. Mined separately, two metals could become total only by means of the production process, presented at the meeting of the Shema, the American Thoracic Society in Denver, where he presented case study. While the metals of origin is not clear, he suspects that exploding devices or incineration pits sent them atmospheric.

In the new study, researchers "took a very aggressive in learn why" the lungs of these soldiers, "says Andrew Shorr, pulmonologist at Georgetown University in Washington," Miller's diligence in pushing this as a problem, is a very legitimate concerns, "says Shorr, formerly in the Walter Reed Army Medical Center.

While the cases represent only a few dozen test hundreds of thousands of persons serving in the Middle East, there is additional to the overlooked how many may be acute bronchiolitis.

Shorr recommends that men care in the area until more is known. "If you're burning rubbish," says, "you wear a mask."


Found in: Body and the brain

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Wednesday, July 27, 2011

Narcissists need not check the reality

Despite the napuszone, they judge themselves unexpectedly clear eyesWeb Edition: Friday, July 15, 2011

Narcissists make spectacles of them allegedly awesome, but you cannot see the world completely by rose-colored glasses.

These Sultans self regard precisely assess their own personality and by the loss of good repute, say psychologist Erik Carlson, Washington University in St. Louis and her colleagues. Carlson's team unexpectedly finds that narcissists acknowledge their own narcissism and assume that they push the rozpórke Gets an arrogant pukali on other people.

In further checks reality narcissists try to realize that they make good first impressions, which soon turn sour, report researchers at the July Journal of Personality and Social Psychology (in a book entitled "Probably you think of that paper's About You").

Narcissistic traits include a sense of arrogance, entitled to special treatment, lack of interest of other users, emotional intelligence, exaggerating the superior resolution and expected in all situations. Extreme cases have been diagnosed as Narcissistic personality.

Narcissists can accept the approach of the 20th century architect Frank Lloyd Wright, who once said that he chose "honest arrogance" over "hypocritical humility" early in life.

If Carlson "Narcissists seem to choose honest arrogance when describing themselves and their loss of good reputation," he says.

If so, can bring the arrogance of the prop überegos certainly legitimate, suggests you might want to be admired, and not liked by those with less.

While many scientists think the coat of arms of sugar that narcissists as they consider themselves — truly BELIEVING, say, a modest team players — i assume that others are kept in the highest acclaim.

Carlson's team indicates, however, that the narcissists "be precise about the nature of the" comments the psychologist w. Campbell Keith University of Georgia in Athens. But self-worshippers can still enter the sami, Campbell added, for example, when they take sole credit for the successes of the blame on others for personal failures and overestimate the disastrous creativity and physical attractiveness.

Insights into your personality and Narcissists through loss of reputation, in conjunction with making self regard, suggests that they display arrogance and relevant properties as a personality worth your consideration, pluses psychologist Mitja Back of Johannes comments Gutenberg University of Mainz in Germany.

Armstrong is qualified psychotherapist, help patients change their ways without excitation defensive anger Campbell says. "One of the main problems with the narcissists in therapy, they are to smoke."

The new findings suggest alternative strategies for psychoterapeuci Carlson says. Narcissists who know that other people negatively view them may benefit from learning how to benevolence and self effacement go their need for social position.

Carlson by a team of College students examined the perception of Narcissistic peers at their first meeting, by holding them in the exercise, class and the weekly meetings of the Group of over half a year. Another experiment probed recruits the U.S. Air Force Armstrong to peer at the end of the perception of the six-week basic training.

The participants rated their own and other users of personality traits, so that the degree to which each person was aware of his or her reputation could be estimated.

Almost 2 per cent of volunteers classified as Narcissistic self-report on the studies. Another 4 percent had many characteristics of Armstrong.


Found in: humans and psychology

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The Problem for the week of July 30, 2011.

Sorry I can't read content fromt on this page.

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Tuesday, July 26, 2011

Crime in the past digital

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access Digital historySome historians are turning to computer analysis to understand the past: An online database offers access to more than 200 years’ worth of proceedings from the Old Bailey courthouse. A case from 1891 is depicted here.Hulton Archive/Getty Images

Henry Howard was in big trouble. Down on his luck, the family man stood in the dock of London’s Old Bailey courthouse facing a forgery charge. A Bank of Scotland clerk had just confirmed that a month earlier, on March 14, 1879, Howard bought furniture with a check belonging to someone else. He signed the check with James McDonald’s name.

With the defense counsel’s blessing, Howard abruptly switched his plea from not guilty to guilty. He begged for mercy to a row of judges. Too late: A forgery conviction bought Howard a year in prison.

Little did the litigated Londoner know that, more than a century later, tech-savvy scholars would consult his case and those of a quarter of a million other Old Bailey defendants. With sophisticated software, historians, philosophers and computer scientists are today probing digitized records of the more than 197,000 Old Bailey trials?—?some with two or more defendants?—?that took place from 1674 to 1913.

Predominantly working-class citizens trooped into the Old Bailey courthouse accused of murder, rape, extortion and many other misdeeds. And the legal procedures developed at the London facility heavily influenced criminal law in Colonial America. Among other insights into the history of crime and punishment, digital searches of Old Bailey court records offer a glimpse of the rapid rise of plea bargaining and of a growing tendency within the legal system to treat marriages as partnerships of love, not convenience.

“The Old Bailey, like the Naked City, has 8 million stories,” says English professor and digital humanist Stephen Ramsay of the University of Nebraska–Lincoln.

Carving up a massive information resource with the help of digital tools and scientific methods offers a way to retrieve such stories and represents the cutting edge of what has come to be known over the last decade as the digital humanities. Historians and other scholars trained for contemplation rather than computation increasingly plumb collections of newspapers, books, music and maps, as well as other information troves.

Eight interdisciplinary groups of digital humanists, winners of a grant competition organized by the National Endowment for the Humanities, convened in June in Washington, D.C., where researchers working with Old Bailey’s digitized archive reported their findings.

“The humanities attempt to understand people’s lived experience,” says team codirector Dan Cohen, a historian at George Mason University in Fairfax, Va. “We don’t want to quantify everything, but our toolkit now includes powerful techniques for probing data.”

Innocence lost

access LET'S CUT A DEALResearchers have found that around 1825 some trial transcripts continued their trend toward lengthening while others became much shorter (top, trials involving killing are in red). The change has been linked to a concurrent increase in the number of guilty pleas as a portion of all verdicts (bottom).Data Mining with Criminal Intent Team

Those techniques include two software programs that allowed Cohen and colleagues to search the 127-million-word Old Bailey trial record for criminal trends and language patterns.

When the team used digital court transcripts to calculate trial lengths in words for guilty and not-guilty verdicts over 239 years, an unexpected finding popped out. Trial lengths diverged around 1825, for offenses ranging from murder to disturbances of the peace. One set of trials maintained a previous drift toward lengthy proceedings, whereas a second set of hearings concluded quickly. Further analysis determined that, also around 1825, guilty pleas rapidly increased in number.

Before 1825, nearly all defendants pleaded innocent and sought a trial by their peers, historian and team member Tim Hitchcock of the University of Hertfordshire in England reported at the meeting. Trials consisting of several thousand words or more were common.

After 1825, numbers of guilty pleas soared, accounting for one-third of all cases by 1850 and 40 percent by 1913. Many of these trials contained no more than 100 words. Trial records showed that defense lawyers increasingly encouraged clients to plead guilty during the second quarter of the 19th century.

“Finding a revolution in legal practice at that time came as a complete surprise,” Hitchcock says.

Scholars have noted various reasons for plea bargaining’s popularity, including the gradual rise of a powerful legal profession and growing concerns about prison overcrowding. But the timing of a transition from jury trials run by judges to out-of-court deals arranged by lawyers has attracted virtually no attention.

Love and marriages

Another tale from the Old Bailey concerns the growing independence of Victorian-era women, as witnessed by records from bigamy trials.

Roughly equal numbers of male and female defendants appeared in court during the 1700s, Cohen said at the meeting. But adjudicated crime became a man’s world during the next century, when eight times as many males as females appeared as defendants. As part of that trend, the number of bigamy cases brought against men progressively increased after 1820, regularly reaching 20 to 30 cases annually by the end of the century.

At the time, marriages were often arranged or instigated by male suitors or their families, and men were expected to rule over their wives. Legal divorces were difficult and expensive to obtain, but many people accepted informally agreed upon divorces as valid.

Given that spouses could lose contact for months or years and legal records of past marital unions often could not be located, perhaps it’s not surprising that Victorian-era men increasingly got hauled into court facing accusations of having two or more wives. Unexpectedly, though, the number of cases of female bigamy rose from virtually nil to an average of six or seven annually after 1880.

“It’s not clear why female bigamy cases increased at that time, but Victorian England witnessed cultural changes in the latitude granted women to control their lives,” Cohen says.

To test the possibility that in the late 1800s a rising number of frustrated wives started seeking new husbands based on mutual affection, Cohen and colleagues combed through trial records to determine frequencies of different adjectives applied to the word marriage over time. The big winner among marriage modifiers as the Victorian era played out: loveless. Other words that increasingly described marriages in Old Bailey trials included clandestine, forbidden, foreign, fruitless and hasty.

That’s only suggestive evidence for a new strain of female independence, Cohen cautions. But it’s striking, he adds, that the few early female bigamy trials found in the data included long, nasty attacks on defendants’ characters by prosecutors and judges. Toward the end of the 19th century, women accused of having two husbands received quick trials and little legal grief.

“Female bigamy trials went from drawn-out cases where women were incredibly disparaged to slap-on-the-wrist verdicts,” Cohen says.

History’s future

Cohen and his colleagues know that many humanities scholars hold digital humanists in as low esteem as Old Bailey prosecutors once held women accused of bigamy. That’s certainly true of historians, in Hitchcock’s view. “About 90 percent of them sit quietly in an archive for a decade and then write a book with their names printed as large as possible on the cover,” Hitchcock says. In their world, data-crunching makes rude noises with no apparent historical meaning.

Change is brewing, though. An analysis of the frequency with which different words appeared in more than 5 million books in Google’s digital archive has yielded insights into language changes and other cultural trends and attracted much interest (SN Online: 12/16/10). Harvard biologist Jean-Baptiste Michel and bioengineer Erez Lieberman-Aiden, who conducted the analysis, call such attempts to use scientific methods to explore questions in the humanities “culturomics.”

But trends identified in huge databases, such as a link between increases in female bigamy cases and marriages described as loveless in Victorian England, require confirmation with independent lines of evidence, Michel and Lieberman-Aiden cautioned in a joint e-mail.

Cohen plans to compare cultural trends gleaned from Google’s digital book bin with Old Bailey findings. Hitchcock wants to construct a thief’s-eye view of Victorian London from court records, charting how often various goods were stolen during the 1700s and 1800s.

Somewhere Henry Howard, foiled, furniture-seeking forger of stolen checks, is smiling.


Found in: Humans

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Dino "gap" support the sudden crash
Corner of dinosaurs in Montana supports the idea that the dinos died after critical Thud. Fossils have been excluded under these three meters of the ground under substantially what triggered the k–t, marking the end of the remains of the days of the dinosaurs. The alleged lack of fossils of dinosaurs three metres below (and older) than the border has been invoked in arguments that dinosaurs died gradually, possibly from the climate before the asteroid walloped the Earth. Analysis of pollen and other evidence, however, put the Horn 1.11 metres below, supporting the idea that dinos mounted on up to the abrupt events on the frontier, Tyler Lyson Yale and colleagues report in the coming of biology letters. — Susan Milius


Slacker cats fish
Personality or consistent behavioral types, can have many of the fish typographical and assist in the home. In the debates on the evolution of behavior useful theories predict that relatives should benefit from the mutual assistance of States. However, experience with freshwater fish, the tendencies of the individual personality, for example, aggressiveness and reluctance to take risks were better weight than kinship with that of fish increased the height of help defense or maintenance of a shared territory. The arguments of altruism necessary to take account of differences in behavior, researchers in Europe to cope with the coming of the animal behavior. — Susan Milius


Doubt, decrease in bee and Iridovirus
One suggested that the cause of the sudden Collapse colonies in North America managed to get support to new research. Last year, researchers suggested that unidentified Iridovirus may combine with well known parasite Nosema as deadly combo for honeybees. Now researchers from Columbia University and Penn State University in University Park were analysed colonies both healthy and collapsing and have also been examined samples of older bees. Showed a lack of connection with Colony Collapse Disorder Iridovirus and up in each of these cases, the team reports online on June 30, in PLoS ONE. — Susan Milius


Rethinking carnivorous traps
A key aspect of the potential killing of Nepenthes pitcher plants was undervalued, say researchers in France. Biologists long described carnivorous pitcher-shaped pointer leaves as pitfall traps which lure insects down slippery, covered with wax, which does not operate with the study of one species of Nepenthes, but identified the liquid pools in pitchers as insect traps enough viscosity in its own right. Now new analysis 23 types of pitchers will find other cases of hazardous liquids and suggests that plants can make tradeoffs in how much they invest in the walls of waxy, perfect for catching ants — vs. the gooey liquid that traps flies better, new Phytologist, report scientists. — Susan Milius


Monday, July 25, 2011

Widely recognized in the Vesta

Released by NASA on July 18, the photo was shot by the spacecraft Dawn at a distance of 15 000 kilometres.NASA
The first close-up image of a rocky world, that reveals a champion cratered surface parallel grooves and ridges jagged. Photo of Vesta was taken by NASA'S Dawn spacecraft that fired in orbit around the second largest asteroid in the main belt in the morning on July 16, EDT.
Among other tasks, Dawn will spend the year helping astronomers accurately measure mass and gravity, the asteroid, look for minimoons and enter the detailed maps with less than 200 kilometres above pockmarked chunk of rock. Scientists seem to Vesta possesses one of the oldest Remaining surfaces of the primordial solar system and hoped that its face 4,5 billion years will provide information on the nowonarodzone of the solar system.
"As the planet's formation took place? What are the major events? "Planetary scientist asks William Bottke Southwest Research Institute in Boulder, Colorado asteroids to Bottke likens evidence of crime scene: help the reenactment and contain information that is or is not a planet. "One you're like the splatter of blood or bone fragments and such," says Bottke. "These Guys have little to offer amazing constraints on large processes that have taken place. Are the stuff of outstanding crime and we use it to make what happened. ”
Managed by the NASA Jet Propulsion Laboratory in Pasadena, Calif., Dawn 2.8 billion kilometers traveled before being intercepted by the West, powered by an ion which they spacecraft forward at a higher speed than other currently available technology.

Lion eats tonight ...

accessWhat is the Lion on the Serengeti DINNERA with his kill. New analysis shows that the Lions attack humans more often in the evenings after the abundance of c. packer

Watch out for as the Prime Moon fades, hungry lions emerge to reclaim the night — and you're on the prowl for human flesh. Scientists studying the lion attack trends in Tanzania, it was stated that the Predation of peaks in the evening after a full moon. When it detects that it is the first to combine the Moon trailer Predation on humans have long been a source of superstition, and lore.


Study, led by Craig packer of the University of Minnesota Twin Cities campus looked at the relationship between the Moon cycles and the lion, the lion attacks feeding behavior. The scientists used the records of over 1,000 Lion attacks on Tanzanian villagers that occurred from 1988 to 2009. Almost two-thirds of these were fatal and most occurred after dark. Researchers were able to pinpoint the exact time of day 474 and revealed that attacks the attacks clustered between 6 p.m. to 10: 45


It was stated that the attack rates were two to four times higher within 10 days after the full moon but the periods of waxing Moonlight were similarly bloody. Because Lions hunting is the best in the dark, report scientists and are hungry after a night of amazing, brilliant moonlight. Measuring your abdomen Lviv — and the relative fullness — reveals dip in consumption of food during a full moon the moon. Yes, as slip wanes and nights lunar cycle inky darkness Lions their Prime quickly offset by attacking humans.


"Full moon is dangerous in itself," the researchers conclude the July 20 issue of PLoS ONE, "but concerns portent darkness coming."


Sunday, July 24, 2011

Paro robot seal comforts tsunami in Japan

Japanese engineers sent the Paro robot seal to comfort victims of the March 3, the earthquake and tsunami in Northern Japan.
Modeled on the harp is a robot child, Paro therapeutic that responds to touch and votes. Discusses the tactile sense and responds to petting by squealing. This meant zagluszyc people who use it.
Developed by as Takashirei Shibata in Japan, National Institute of Advanced Industrial Science and technology (AIST), Paro was used in houses in Japan and overseas since 2003; eight generations were produced. Research has shown that stress can lower levels of Paro, users and carers. It may also help Dementia patients.

This report from TV NHK shows people in the areas affected by the tsunami in Japan interacting with Paro recently. The bot has visited shelters escape including Minamisanriku, Miyagi Prefecture site, a small town, which was almost completely destroyed in the crash.

Old woman in the picture above you can hear, saying that Paro she said that she is doing her best to keep his chin.

Handmade in Japan, it costs about $ 6,000 Paro and approved as a medical device of class 2 in the u.s.; care make up the bulk of users. Report from the Wall Street Journal last year described mixed response to Paro.

Not according to the Mainichi Shimbun newspaper, however, children in Japan, the disaster zone, you can download sufficiently robo-seals. It nevertheless gives artificial love and asks nothing in return.
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Saturday, July 23, 2011

ROBO VAC, bouncing the Blender in the final project

Robo-controlled tap protect you on your toes.(Credit: Choi Gyu Ha)
Even if you do not have to household appliances, Electrolux Design Lab competition by 2011 is something worth watching as not least because the vacuum robot made it to the finals of the slim.
After field 25 semi-finalists was last month, judges recently narrowed hopefuls to eight concepts crushworthy.
One is to tap the Robo Cleaner by Gyu-Ha Kim of Handong Global University in South Korea. This project improves auto-zbieznego as the Roomba by giving users more practical (well, make the feet on) of the control.
Tap the ROBO uses indoor positioning system, namely its own route to vacuum the floor of the household. But pay attention to place especially dirty, just select your foot twice to summon it.
Reflecting the desire of the hotel with Smoobo Blender (Credit: Roseanne de Bruin)
You'll need is a remote tucked into your jednorocznymi shoes to get his attention. Three hinges shall return it to its previous procedures. And if you click Your heels and Get whisked back to Kansas.
As you can see in the vid below, there are certain constructions based on architecture between the seven other finalists. One is Smoobo Blender by Roseanne de Bruin, University of Massey, New Zealand.
That smoothie, pour ingredients into a large ball, covered with nodules and bounce. Internal mix blades on the perfect drink. Just don't try to slam-dunk it.
Kent Carleton University in Canada, Madden, in the meantime, dreamed of maximally portable Toaster Bagel rotating run on sugar Crystal batteries--the same power source as the winning entry for the year 2010, portable cooking appliances, called the Cochlea.
The other finalists for this year: wall-mounted and portable Microwave Oven slow. The winner will be decided in September and top Designer will bag 5,000 euros (just over $ 20,000) and six months of paid seniority in the Design Center started the global Electrolux.


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Roomba Hack VAC allows to study air quality too

Gear, right Your Roomba could tell where you have a problem with the quality of air. Long exposure pictures of roving robots produce color guide that indicate the concentration of the contaminant. (Credit: public laboratory open technology and science)
I don't expect Roomba to do windows, but it would be nice, if slightly more at home. Students at the Rhode Island School of Design, this piece came from the VAC, little robot vacuum cleaner that expands repertoire of its entry into force. They have been Tricked out Roomba with air pollution in the rooms.

Hack promises to take one more arduous household with his hands. Vacuum? Choice. Track down sources of volatile organic compounds? Choice.
Get the Roomba to sniff the air pollution is not much of a stretch. As they note in their side project, the Roomba, autonomous bots traveling around the premises in which they are set loose in may also have them in the assessment of ambient air quality, wherever they go.

WebCrawler Roomba is made from simple ingredients: air quality sensor, type the sub-$ 20, LED and battery. As the Roomba makes its rounds, the sensor measures the levels of volatile organic compounds. When levels rise above the threshold value, the light on the sensor changes from green to blue. Long exposure pictures of roving robots produce color guide that indicate the concentration of the contaminant.

The students used alcohol as their pollution test. Then you will configure the sensor to detect the air pollution of formaldehyde, common in the rooms. Plywood is a common source of formaldehyde, which can cause sensations of burning in the eyes and throat, nausea and difficulty breathing, according to the EPA.

Research is sponsored by a public laboratory open technology and Science (surfaces), research organisations, which develops and promotes open source tools on a small scale, DIY projects, which promote environmentally and socially progressive causes. Other projects include PARCELS and kite balloon aerial mapping of ecologically sensitive areas, including in the areas affected by Gulf oil spill.
(Credit: public laboratory open technology and science)
(Technology review)
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Friday, July 22, 2011

PR2 robot helps quadriplegic man shave as himself

PR2, robot collection of beer, folding laundry, breakfast making jack of all trades has been taken up as a personal assistant for man disabled by a stroke.
Coffee maker Willow Garage has worked with Charlie Kemp and colleagues healthcare Robotics Lab, Georgia Tech, to help Henry Evans and his wife Jane in a project dubbed Robots for humanity.

Sounds rather grandiose, but the aliens robot has made real progress in the life of Evans, who suffered a brain stem stroke at the age of 40, which left him paralyzed and mute. Therapy has enabled him to move his head and a finger.
To enable him to use the computer and the control of PR2. The BOT helped him scratch-itch for the first time in 10 years.

As the vid below shows Evans prefers shave himself with PR2, and not the other person to do so.

The Robot has a motion tracking system, which you can monitor Kinect its movements of the head and Evans can be used for navigation and for manipulating objects.
The project has just commenced and comes after Georgia Tech was awarded last year as part of the PR2 Beta program Willow company. Healthcare Robotics Lab supporting Mobile manipulation for older adults in the home, the project focuses on using the machines help seniors at home.

As you can see in these films, the laboratory already had experience with using his robot EL-(E) to persons with ALS.

Now focuses on the development of software for home care PR2 midfield, as well as the trials of the robot, which examine the real needs.


Sings karaoke robot mouth wants you

(Video Credit: screenshot by Tim Hornyak/CNET)

Robot arm smelly, meet mouth singing robot. In a way that you can both own special stink.

Without a doubt, Hideyuki Kagawa University Sawada of Japan would take umbrage at this. This week in Tokyo in 2011 Robotech, he is showing off her mouth singing as a play the human voice in electro-mechanical fashion.

Usta Sawada's was around for years, but he and his colleagues have improved it--mechanically, i.e.. It is still the Marne singer.

The estuary has the air compressor, holding the function of the lungs and silicone tube-shaped tongue and resonance for eight servo motors to create different sounds.

It operates in a loop feedback, listening to his horrific ululations via microphone, analyzing its production, compared to the sound of the target and correcting himself.

Vid below shows it trying to sing "Kagome Kagome" tune for the children. Setting it does not sound much like the real thing.

But still I think that this thing would have a chance at stardom, by reason of wig and a few motions of the dance.

(Via Akihabara News)


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Śmiecie reborn as cute Android robot

If you would like a small icon of the Android phone to life, there is Hope. Someone Got Android robot he built himself--with paint.

Despite its origins certainly trashy wheeled robot looks like a great neighbourhood with its radiating arms and led lights for eyes. All these activities are controlled by external remote control. There is even a little port on the back for charging machines.

This little fella was built, using the Arduino Microcontroller Board open source for the development of interactive objects. The microcontroller takes commands from a remote control and sends it to the switches used to control lights and motors, robots.
In addition to the small screen at the front, which is replaced by the following:

Hi! I am a Android, ready to go!(Credit: gadget M.I.C.)
The project took three days to complete and cost approximately $ 104. Right now we're visualizing the armies of these things, turning towards the headquarters of Apple.
(Credit: gadget M.I.C.)
Here is a little robot video in action. Try not to laugh too difficult, around 3: 28.
(Source: those who know Asia via gadget M.I.C.)
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Thursday, July 21, 2011

NASA tech lifts increased reality shooter

Augmented reality, which brings the worlds of digital and physical, is gaming. So why do most games increased reality suck? Here is the key: most are not true Reality extended. They are slightly above the animations will give the video feed.

Enter a Ball game from invasion, Swedish 13th Lab software developer game iPad 2 is a great step forward. It is also simple: Shoot stream of black dots on the balls that appear on the screen. However, unlike other games increased reality you can Bounce Your Animated bullets off walls you understand the real business. Check out the video below.

Here's what's going on under the hood. Ball invasion uses Simultaneous localization and mapping (SLAM) to build and continually update the 3D digital representations of physical space in the camera view iPad. This is a technology that many robots, including the NASA planetary rovers, use to see where they are.

Augmented reality apps use GPS include the location, the video for the inclusion of a scene, you understand and/or object recognition enabling elements of the scene like doorways. Paranormal Activity: Sanctuary, for example, uses GPS scatter portals Bonkers around Your City and AC 310 uses object recognition make dollar bills in urban battlefields.

However, what is missing from these systems, is a complete map of the space around you. SLAM Ekstrapolujac this information from the source video.

SLAM could be useful in other applications increased reality by, for example improving the way some applications impose information about camera field of view. Perhaps someone will be developed app that allows you to take pictures of furniture and artwork, and gives a sense of how it will appear in the living room.

Ball invasion highlights converging trends: advanced software increasingly powerful mobile devices becoming more advanced. What other high class space and military technical wonders would you like to see put to use, entertaining your commute in the morning?

JediBot uses Kinect to control lightsaber

You spent countless hours locked in lightsaber battles with partners while growing up. What happens when there is no one left to play with you, because they are all tasks and infants? You can create your own Star Wars Playboy playmates.
Students of the University of Stanford programmed robotic arm, dubbed JediBot. Bright orange red foam shoulder spill lightsaber forms against a human opponent. It disables surprisingly snappy attacks with some decent robotic arm it.
It is easy to create a robot that goes on the offensive, but another build one capable of defending well. This is where Microsoft Kinect arrives. Opposing lightsaber is green, so that you can receive on Kinect sensors which is in space. JediBot uses this information to plan his defensive maneuvers.
Related links
The video game Star Wars • and unlike other
Robotic arm--which you can Swing his Sword, after every two to three seconds--was created on a course of experimental Robotics 3.5-week. The class also produced robot grills beef-and even adds ketchup. To JediBot better if you can only draw the fighting, and then offered you tasty cheeseburger.
It's about time that someone a wonderful Star Wars action figure, which really calls the action. All of which are missing are the awesome sound effects. Good thing, which has already been the practice. Wuumph! Zzzsh! Zzzsh!

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Wednesday, July 20, 2011

A robotic cat ears for humans, a test of the ears

To me the robotic Cat ears--publicly, no less!(Credit: James Martin/CNET)
After viewing, dog or cat, tail wagging or arched backwards, you can immediately tip you can into the animal's mood. The technology enables as easy to read people?
This is the idea behind Necomimi, a pair of brain-wave sensors and a robotic Cat ears by the Japanese company Neurowear. Fuzzy ears sheets are built atop the headset technology created by based on San Jose, Calif. NeuroSky. Is based on Electroencephalography from a single sensor, mounted on the forehead to read a person's brain waves and communicates with a PC or Mac with USB plug-in wireless network to determine if a person is focused and relaxed. If the user is focused, the attached ears stay preparation. When relaxed ears face down.
Earlier this year Neurowear made a video of the ears which cutesey became a hit for small Web generate views of 1,6 million (many people can probably identify as a girl in the video, check out the attractive guy and intolerable robotic ears). Neurowear in the original intent was to make only one pair, but when it was so much online, gimmick, the company decided to produce a line of robotic ears.
Related links
• Controlling these ears Cat robot with your brain
• Moving objects from a Mattel's reading Mindflex brainwave
• Controlled brain games on board planes coming soon?
• Headphones: this is your brain on music
Tansy Brook, Advocate of NeuroSky, visited CNET, based in San Francisco earlier this month show beyond the third prototype of ears and give me a chance to try them.
Naturally, my first question was, "these things work?" Headset NeuroSky MindWave I clipped to my ear, to place the sensor scans of the brain, the reader against My forehead. (Petal earlobe picks up ambient noise alone, as the head, so the ear clip is used for the purpose of cancelling noise). In the theory of brain State can be detected by measuring brain activity patterns. This gadget claims to measure brain waves as an indicator of the mood: If a person is brain waves will concentrate, in the range 12 to 30 Hz, says NeuroSky. If they're relaxed, the brain waves to measure from the scope of 8 and 12 Hz.
In my case, the headset does not match, so the sensor had trouble picking a stepwise mood. However, when I get closer to the sensor to my forehead is used to create a stronger, ears seemed better reacts. In most ears stayed in preparation which apparently meant that I was focused. I tried, the rest going to the ears, but found difficult to stay in control. Probably fully RESTful afforded me during the interview because it was attempting a concurrent. Stephen Beacham, television producer, CNET, try to use the ears and had a much easier time of their positions. He even spin with her ears (impressive!).
Of course, that the work is one thing the ears. Whether people will ever wear them in public is another.
When I had a furry ears on the street, people stopped and stared, probably wondering if I was some wannabe cyborg Playboy Bunny. When I asked them to try their ears hesitated. Apparently this sort thing is more accepted in Japan--where the function of fuzzy cat ears in otaku subcultures centered on anime and manga wydarzenaimi--than it did on the streets of San Francisco.
The technology used in funky ears represents the known technical advanced course; After an expensive and large brain scanning devices are becoming smaller and cheaper. And that opens the door to potential new uses of the consumer.
EmSense, another company of San Francisco Bay Area, makes the headset which can be measured, how consumers respond to content such as games and advertising. But mobile brain waves with gadgets go beyond pelvic enthusiasm of the consumer. Another, based on California, the company uses equipment Neurovigil named iBrain sleep patterns to the record. Can quickly be used as a term many neurological conditions, as well as.
Any user can modify the headset NeuroSky; If you don't like Cat ears, you can build one of the devil ears. But designers and companies were significantly more creative with their hacks Brook said, adding that the headset is now used in toys Mattel Mindflex and is used by over 150 universities in the world for educational purposes.
Meaning that the headset can be used to help people perform better. For example, if you're the lekkoatlety training programme for the coming competition or student want to measure how well it is concentrating on the job, you can use the headset to track mental state. My collection to add is that the ears are interesting, but perhaps the reason that people don't have, tails twitching. In fact, we don't want people could read our mood at a glance.

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