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Study Says World's Stocks Controlled by Select Few | Research - ISNS
"A pair of physicists at the Swiss Federal Institute of Technology in Zurich did a physics-based analysis of the world economy as it looked in early 2007. Stefano Battiston and James Glattfelder extracted the information from the tangled yarn that links 24,877 stocks and 106,141 shareholding entities in 48 countries, revealing what they called the "backbone" of each country's financial market. These backbones represented the owners of 80 percent of a country's market capital, yet consisted of remarkably few shareholders. [..] The results will be published in an upcoming issue of the journal Physical Review E."
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A pair of physicists at the Swiss Federal Institute of Technology in Zurich did a physics-based analysis of the world economy as it looked in early 2007. Stefano Battiston and James Glattfelder extracted the information from the tangled yarn that links 24,877 stocks and 106,141 shareholding entities in 48 countries, revealing what they called the "backbone" of each country's financial market. These backbones represented the owners of 80 percent of a country's market capital, yet consisted of remarkably few shareholders.
RANDOM.ORG - Introduction to Randomness and Random Numbers
"RANDOM.ORG is a true random number service that generates randomness via atmospheric noise. "
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RANDOM.ORG is a true random number service that generates
randomness via atmospheric noise.
Welcome to WWW2009 EPrints - WWW2009 EPrints
* Data Mining (22)
* Developers (26)
* Internet Monetization (6)
* Performance, Scalability and Availability (3)
* Rich Media (6)
* Search (15)
* Security and Privacy (6)
* Semantic/Data Web (9)
* Social Networks and Web 2.0 (12)
* User Interfaces and Mobile Web (6)
* Web Engineering (12)
* WWW in lbero-America (9)
* XML and Web Data (6)
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- Data Mining (22)
- Developers (26)
- Internet Monetization (6)
- Performance, Scalability and Availability (3)
- Rich Media (6)
- Search (15)
- Security and Privacy (6)
- Semantic/Data Web (9)
- Social Networks and Web 2.0 (12)
- User Interfaces and Mobile Web (6)
- Web Engineering (12)
- WWW in lbero-America (9)
- XML and Web Data (6)
http://www.ics.uci.edu/~eppstein/PADS/README.txt
"This is PADS, a library of Python Algorithms and Data Structures implemented by David Eppstein of the University of California, Irvine."
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This is PADS, a library of Python Algorithms and Data Structures implemented by David Eppstein of the University of California, Irvine.
Rocket Scientists Shoot Down Mosquitoes With Lasers - WSJ.com
"Not only can the laser target a mosquito, it can also tell a male from a female based on wing-beat."
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Not only can the laser target a mosquito, it can also tell a male from a female based on wing-beat.
5 Ways People Are Trying to Save the World (That Don't Work) | Cracked.com
"Some expert at Gonzaga University, with a lot of time on his hands, calculated that at current rates all the garbage in the US over the next 1,000 years would fill up a 35 square mile landfill 100 yards deep. This sounds like one of those "Holy shit!" scary figures until you consider this is about one tenth of one percent of the land currently used for grazing in the US. Also, this would be the accumulation over 1,000 years by which time we should have bigger things to worry about, like overthrowing our robotic overlords."
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Some expert at Gonzaga University, with a lot of time on his hands, calculated that at current rates all the garbage in the US over the next 1,000 years would fill up a 35 square mile landfill 100 yards deep.
This sounds like one of those "Holy shit!" scary figures until you consider this is about one tenth of one percent of the land currently used for grazing in the US. Also, this would be the accumulation over 1,000 years by which time we should have bigger things to worry about, like overthrowing our robotic overlords.
scientific advance (JPEG Image, 500x357 pixels)
"Just think about it.. We could have been exploring the galaxy by now..."
Napping: the expert's guide | Life and style | The Guardian
A nap of 60 minutes improves alertness for up to 10 hours. Research on pilots shows that a 26-minute "Nasa" nap in flight (while the plane is manned by a copilot) enhanced performance by 34% and overall alertness by 54%. One Harvard study published last year showed that a 45-minute nap improves learning and memory. Napping reduces stress and lowers the risk of heart attack and stroke, diabetes, and excessive weight gain.
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A nap of 60 minutes improves alertness for up to 10 hours. Research on pilots shows that a 26-minute "Nasa" nap in flight (while the plane is manned by a copilot) enhanced performance by 34% and overall alertness by 54%. One Harvard study published last year showed that a 45-minute nap improves learning and memory. Napping reduces stress and lowers the risk of heart attack and stroke, diabetes, and excessive weight gain.
Toki Pona - Wikipedia, the free encyclopedia
Toki Pona is a minimal language. Like a pidgin, it focuses on simple concepts and elements that are relatively universal among cultures. Kisa designed Toki Pona to express maximal meaning with minimal complexity. The language has 14 phonemes and 120 root words.
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Toki Pona is a minimal language. Like a pidgin, it focuses on simple concepts and elements that are relatively universal among cultures. Kisa designed Toki Pona to express maximal meaning with minimal complexity. The language has 14 phonemes and 120 root words.
Feeling ill? It could be the planets, says govt study- Hindustan Times
The five-year study, nearing completion, is being conducted by the Delhi-based Lal Bahadur Shastri Rashtriya Sanskrit Vidyapeetha’s department of medical astrology. The department has been recording the birth details of patients and their medical history from Delhi hospitals, and has a databank of over 1,000 horoscopes. In nearly 75 per cent cases, a strong co-relation is found between the prediction of occurrence of a disease at a specific time and its occurrence,” Dr Prem Kumar Sharma, head of the medical astrology department, told HT.
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The five-year study, nearing completion, is being conducted by the Delhi-based Lal Bahadur Shastri Rashtriya Sanskrit Vidyapeetha’s department of medical astrology.
The department has been recording the birth details of patients and their medical history from Delhi hospitals, and has a databank of over 1,000 horoscopes. In nearly 75 per cent cases, a strong co-relation is found between the prediction of occurrence of a disease at a specific time and its occurrence,” Dr Prem Kumar Sharma, head of the medical astrology department, told HT.
nodal - generative software application for composing music
Nodal is a generative software application for composing music. It uses a novel method for the notation and playing of MIDI based music. This method is based around the concept of a user-defined graph. The graph consists of nodes (musical events) and edges (connections between events). You interactively define the graph, which is then traversed by any number of players who play the musical events as they encounter them on the graph. The time taken to travel from one node to another is based on the length of the edges that connect the nodes.
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Nodal is a generative software application for composing music. It
uses a novel method for the notation and playing of MIDI based music. This
method is based around the concept of a user-defined graph. The graph consists
of nodes (musical events) and edges (connections between events). You interactively
define the graph, which is then traversed by any number of players who play
the musical events as they encounter them on the graph. The time taken to travel
from one node to another is based on the length of the edges that connect the
nodes.
Introduction to Programming using Python
The objective of this course is to teach programming concepts to biologists. It is thus aimed at people who are not professional computer scientists, but who need a better control of computers for their own research. This programming course is part of a course in informatics for biology. If you are already a programmer, and if you are just looking for an introduction to Python, you can go to this Python course (in Bioinformatics).
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The objective of this course is to teach programming concepts
to biologists. It is thus aimed at people who are not
professional computer scientists, but who need a better
control of computers for their own research. This programming
course is part of a course
in informatics for biology. If you are already a
programmer, and if you are just looking for an introduction to
Python, you can go to this Python
course (in Bioinformatics).
Best Electronics Kits For Adults?
I'm an adult looking to learn how electronics work and have some fun building projects. But all the kits I've found online are for kids 8-10 years old, and they don't really explain the principles — they just color-code where to place components on boards. Are there any kits aimed at adults? I know if anyone has got the answer, it's this community.
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I'm an adult looking to learn how electronics work and have some fun building projects. But all the kits I've found online are for kids 8-10 years old, and they don't really explain the principles — they just color-code where to place components on boards. Are there any kits aimed at adults? I know if anyone has got the answer, it's this community.
Study of Bush's psyche touches a nerve | World news | The Guardian
A study funded by the US government has concluded that conservatism can be explained psychologically as a set of neuroses rooted in "fear and aggression, dogmatism and the intolerance of ambiguity". As if that was not enough to get Republican blood boiling, the report's four authors linked Hitler, Mussolini, Ronald Reagan and the rightwing talkshow host, Rush Limbaugh, arguing they all suffered from the same affliction. All of them "preached a return to an idealised past and condoned inequality". Republicans are demanding to know why the psychologists behind the report, Political Conservatism as Motivated Social Cognition, received $1.2m in public funds for their research from the National Science Foundation and the National Institutes of Health.
The authors also peer into the psyche of President George Bush, who turns out to be a textbook case. The telltale signs are his preference for moral certainty and frequently expressed dislike of nuance.
"This intolerance of ambiguity can lead people to cling to the familiar, to arrive at premature conclusions, and to impose simplistic cliches and stereotypes," the authors argue in the Psychological Bulletin.
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A study funded by the US government has concluded that conservatism can be explained psychologically as a set of neuroses rooted in "fear and aggression, dogmatism and the intolerance of ambiguity".
As if that was not enough to get Republican blood boiling, the report's four authors linked Hitler, Mussolini, Ronald Reagan and the rightwing talkshow host, Rush Limbaugh, arguing they all suffered from the same affliction.
All of them "preached a return to an idealised past and condoned inequality".
Republicans are demanding to know why the psychologists behind the report, Political Conservatism as Motivated Social Cognition, received $1.2m in public funds for their research from the National Science Foundation and the National Institutes of Health.
The authors also peer into the psyche of President George Bush, who turns out to be a textbook case. The telltale signs are his preference for moral certainty and frequently expressed dislike of nuance.
"This intolerance of ambiguity can lead people to cling to the familiar, to arrive at premature conclusions, and to impose simplistic cliches and stereotypes," the authors argue in the Psychological Bulletin.
Six Degrees of Wikipedia
In case anyone is interested, the original research that created the idea of 'six degrees of separation' is summarized and analyzed by Malcolm Gladwell in his essay Six Degrees Of Lois Weisberg [gladwell.com]. The original research was done by Stanley Milgram (of greater fame for the (in)famous Milgram Experiment [wikipedia.org] in which people were led to believe that they were shocking other people to death, but continued to do so anyway because they were Just Following Orders.) Milgram's six-degrees research, to sum up, involved handing out a large number of letters to random people, and asking them to give the letters to other people they knew who they thought would be most likely to know a (given, random, unknown-to-everyone-involved) person, and then tracking how those letters actually moved through society to their intended recipients.
The result was a map that showed large groups of closely-connected people, linked by small numbers of people who were linked into many, disparate, closely-linked groups. These people are unusual and their behavior is unusually influential on others, precisely because they serve to transfer information from homogenous groups to other homogenous groups.
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In case anyone is interested, the original research that created the idea of 'six degrees of separation' is summarized and analyzed by Malcolm Gladwell in his essay Six Degrees Of Lois Weisberg [gladwell.com]. The original research was done by Stanley Milgram (of greater fame for the (in)famous Milgram Experiment [wikipedia.org] in which people were led to believe that they were shocking other people to death, but continued to do so anyway because they were Just Following Orders.) Milgram's six-degrees research, to sum up, involved handing out a large number of letters to random people, and asking them to give the letters to other people they knew who they thought would be most likely to know a (given, random, unknown-to-everyone-involved) person, and then tracking how those letters actually moved through society to their intended recipients.
The result was a map that showed large groups of closely-connected people, linked by small numbers of people who were linked into many, disparate, closely-linked groups. These people are unusual and their behavior is unusually influential on others, precisely because they serve to transfer information from homogenous groups to other homogenous groups.
Working class 'has lower IQ' - Yahoo! News UK
Bruce Charlton, reader in evolutionary psychiatry at Newcastle University, suggested that the low numbers of working-class students at elite universities was the "natural outcome" of IQ differences between classes.
In a paper shown to the Times Higher Education magazine, Dr Charlton questioned the Government's drive to get more students from poor backgrounds into top universities like Oxford and Cambridge.
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Bruce Charlton, reader in evolutionary psychiatry at Newcastle University, suggested that the low numbers of working-class students at elite universities was the "natural outcome" of IQ differences between classes.
In a paper shown to the Times Higher Education magazine, Dr Charlton questioned the Government's drive to get more students from poor backgrounds into top universities like Oxford and Cambridge.
The Megapixel Myth
One needs about a doubling of linear resolution or film size to make an obvious improvement. This is the same as a quadrupling of megapixels. A simple doubling of megapixels, even if all else remained the same, is very subtle. The factors that matter, like color and sharpening algorithms, are far more significant.
The megapixel myth is also prevalent because men always want a single number by which something's goodness can be judged.
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One
needs about a doubling of linear resolution or film
size to make an obvious improvement. This is the same as a quadrupling
of megapixels. A simple doubling of megapixels, even if all
else remained the same, is very subtle. The factors that matter, like
color and sharpening algorithms, are far more significant.
The
megapixel myth is also prevalent because men always want a single number
by which something's goodness can be judged.
Our Own Worst Critic | Print Article | Newsweek.com
We are all called upon everyday to read others, to interpret how we look in their eyes. Whether in a job interview, a musical audition or a first date, it's basic human nature to calculate how we're doing as performers in life. But we so often get it wrong, believing we did far better or far worse than we did in fact. Why are we so poor at intuiting what others think of us?
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We are all called upon everyday to read others, to interpret how we look in their eyes. Whether in a job interview, a musical audition or a first date, it's basic human nature to calculate how we're doing as performers in life. But we so often get it wrong, believing we did far better or far worse than we did in fact. Why are we so poor at intuiting what others think of us?
The Popularity Gap | Print Article | Newsweek.com
Figuring out whether you'll end up being a cool prom king or queen bee--or the kid who eats alone in the cafeteria--is an integral part of becoming a teenager.
Turns out, it doesn't necessarily matter. Whether or not your high class voted you "most popular," teenagers who perceive themselves as well liked are just as socially successful over time as the kids who actually are part of the in-crowd, according to a new study in the May-June issue of Child Development. In fact, the overlap between the kids who believe they're popular and those who are deemed popular by their peers is pretty small. "Certainly there's a subset that feels good about themselves and is also popular, but that isn't the majority," says Kathleen Boykin McElhaney, a research associate in psychology at University of Virginia who conducted the study. Her findings add to a growing body of research suggesting that our perception of how we fit into the social world is just as important--if not more important--than our real-life position in the social world.
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Figuring out whether you'll end up being a cool prom king or queen bee--or the kid who eats alone in the cafeteria--is an integral part of becoming a teenager.
Turns out, it doesn't necessarily matter. Whether or not your high class voted you "most popular," teenagers who perceive themselves as well liked are just as socially successful over time as the kids who actually are part of the in-crowd, according to a new study in the May-June issue of Child Development. In fact, the overlap between the kids who believe they're popular and those who are deemed popular by their peers is pretty small. "Certainly there's a subset that feels good about themselves and is also popular, but that isn't the majority," says Kathleen Boykin McElhaney, a research associate in psychology at University of Virginia who conducted the study. Her findings add to a growing body of research suggesting that our perception of how we fit into the social world is just as important--if not more important--than our real-life position in the social world.
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