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Comment: Re:Graph theory (Score 2) 228

by snorb (#37107366) Attached to: Yahoo, Facebook Test "Six Degrees of Separation"

Yes, if you have 1,000,000 nodes and there are at least 499,994,500,020 edges out of a possible 499,999,500,000 (ie. a bit more than 99.999% of them), then yes you can conclude the diameter of the graph is no more than 6. But no, simply counting the number of edges is not particularly useful. You need to make further assumptions about the graph to get a useful bound.

Comment: Re:Summary is wrong, as usual (Score 3, Insightful) 141

by snorb (#33229218) Attached to: Valve Trademarks 'DOTA'

Been getting into LoL recently, and while I agree it's very polished (I really like the character designs and the free-to-play model is a good one), the one area that Valve could improve on is making it more newbie-friendly. While LoL may be more newbie-friendly than DoTA, that's like saying Venus is less hot than the sun. It's still not a very hospitable place. It's basically a full-time job to get up to speed with all the acronyms, jargon, and conventions. You join your first match of LoL and your teammate says something like: "I'm going jungle Amumu with an AP Sunfire build so I can tank the carry in the lane with my ult when they ping." and then they get mad at you when you have no idea what they're saying. Don't get me wrong, I do like the game, it's just really hard for beginners like me.

Compare the steep learning curve of TFC where you have to master grenade jumping with every class just to compete with how easy it is to pick up TF2. So hopefully Valve will do something similar with DoTA, and make it accessible.

Piracy

Ubisoft's Authentication Servers Go Down 634

Posted by kdawson
from the single-point-of-well-you-know dept.
ZuchinniOne writes "With Ubisoft's fantastically awful new DRM you must be online and logged in to their servers to play the games you buy. Not only was this DRM broken the very first day it was released, but now their authentication servers have failed so absolutely that no-one who legally bought their games can play them. 'At around 8am GMT, people began to complain in the Assassin's Creed 2 forum that they couldn't access the Ubisoft servers and were unable to play their games.' One can only hope that this utter failure will help to stem the tide of bad DRM."
Image

California Legislature Declares "Cuss-Free" Week 262

Posted by samzenpus
from the f#*k-those-f@^king-f%&kers dept.
shewfig writes "The California legislature, which previously tried to ban incandescent light bulbs, just added to the list of banned things ... swear words! Fortunately, the measure only applies for the first week of March, and compliance is voluntary — although, apparently, there will be a 'swear jar' in the Assembly and the Governor's mansion. No word yet on whether the Governator intends to comply."
Image

Bark Beetles Hate Rush Limbaugh and Heavy Metal 220

Posted by samzenpus
from the tiniest-minds dept.
Aryabhata writes "According to scientists, climate change and human activity have allowed bark beetle populations to soar. They decided to fight the beetles by using the 'nastiest, most offensive sounds' that they could think of. These sounds included recordings of Guns & Roses, Queen, Rush Limbaugh and manipulated versions of the insects' own sounds. The research project titled 'Beetle Mania' has concluded that acoustic stress can disrupt their feeding and even cause the beetles to kill each other."
Image

Political Affiliation Can Be Differentiated By Appearance 262

Posted by samzenpus
from the if-it-looks-like-a-liberal-and-quacks-like-a-liberal dept.
quaith writes "It's not the way they dress, but the appearance of their face. A study published in PLoS One by Nicholas O. Rule and Nalini Ambady of Tufts University used closely cropped greyscale photos of people's faces, standardized for size. Undergrads were asked to categorize each person as either a Democrat or Republican. In the first study, students were able to differentiate Republican from Democrat senate candidates. In the second, students were able to differentiate the political affiliation of other college students. Accuracy in both studies was about 60% — not perfect, but way better than chance."
Image

Living In Tokyo's Capsule Hotels 269

Posted by samzenpus
from the living-in-the-hive dept.
afabbro writes "Capsule Hotel Shinjuku 510 once offered a night’s refuge to salarymen who had missed the last train home. Now with Japan enduring its worst recession since World War II, it is becoming an affordable option for people with nowhere else to go. The Hotel 510’s capsules are only 6 1/2 feet long by 5 feet wide. Guests must keep possessions, like shirts and shaving cream, in lockers outside of the capsules. Atsushi Nakanishi, jobless since Christmas says, 'It’s just a place to crawl into and sleep. You get used to it.'”
Image

Scientists Say a Dirty Child Is a Healthy Child 331

Posted by samzenpus
from the snack-is-going-to-be-on-the-floor-today dept.
Researchers from the School of Medicine at the University of California have shown that the more germs a child is exposed to, the better their immune system in later life. Their study found that keeping a child's skin too clean impaired the skin's ability to heal itself. From the article: "'These germs are actually good for us,' said Professor Richard Gallo, who led the research. Common bacterial species, known as staphylococci, which can cause inflammation when under the skin, are 'good bacteria' when on the surface, where they can reduce inflammation."
Math

+ - http://math.rejecta.org/

Submitted by snorb
snorb (109422) writes "Rejecta Mathematica is an open access, online journal that publishes only papers that have been rejected from peer-reviewed journals (or conferences with comparable review standards) in the mathematical sciences. The inaugural issue is now available. It includes minor or traditionally unpublishable results, non-traditional ideas and proof techniques, misunderstood genius, results based on questionable assumptions, and controversial papers and open letters."

Comment: Re:It's about n-dimensional tic-tac-toe. (Score 3, Informative) 60

by snorb (#27247873) Attached to: Massive Open Collaboration In Math Declared a Success

That's the Hales-Jewett theorem. The density Hales-Jewett(3) is a little different. Suppose you're putting X's on a 3x3x...x3 (n-dimensional) grid. Such a grid has 3^n points. What the theorem says is that if you've put X's on at least, say, 1% of the 3^n points, then you must have made a line somewhere if n is large enough. You can replace the 1% with whatever fraction you please, but that will change how large n has to be. No, the theorem doesn't state exactly how large n has to be, but already it's a challenging problem.

The Almighty Buck

Sony Bringing RMT To Vanguard 39

Posted by Soulskill
from the saga-of-ka-ching dept.
Eurogamer reports that Sony Online Entertainment will be adding the ability to do real money trading to at least some of their Vanguard: Saga of Heroes servers. It's the same service they opened for a pair of Everquest II servers a while back. Quoting: "The service, offered by Live Gamer, allows players to sell items, currency and characters for real cash through a secure channel, authorised by the game operator. Most real-money trading in MMOs is a 'grey' market that doesn't have the operator's consent. ... Sony Online Entertainment recently said that it had no intention to bring its other real-money trading initiative — the Station Cash item shop — to Vanguard."

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