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Submission + - Researchers Build Nanoscale Autonomous Walking Machine from DNA (scienceblog.com)

An anonymous reader writes: Researchers at The University of Texas at Austin have developed a nanoscale machine made of DNA that can randomly walk in any direction across bumpy surfaces. Its creators say applications might include a cancer detector that could roam the human body searching for cancerous cells and tagging them for medical imaging or drug targeting. The research, published this week in the journal Nature Nanotechnology, developed DNA machines that were able to walk, unprogrammed and in different directions, over a DNA-coated surface. Previously, nanoparticle walkers were only able to walk on precise and programmed one- and two-dimensional paths.

Submission + - Bitcoin Inventor Satoshi Nakamoto Doxed by Newsweek

DoctorBit writes: According to today's Newsweek article, Satoshi Nakamoto is ... Satoshi Nakamoto — a 64-year-old Japanese-American former defense contractor living with his mother in a modest Temple City, California suburban home. According to the article, "He is someone with a penchant for collecting model trains and a career shrouded in secrecy, having done classified work for major corporations and the U.S. military." and "Nakamoto's family describe him as extremely intelligent, moody and obsessively private, a man of few words who screens his phone calls, anonymizes his emails and, for most of his life, has been preoccupied with the two things for which Bitcoin has now become known: money and secrecy."
The article quotes him as responding when asked about bitcoin, "I am no longer involved in that and I cannot discuss it, ... It's been turned over to other people. They are in charge of it now. I no longer have any connection."
I imagine that he will now have to move and hire round-the-clock security for his own protection.

Submission + - Valencia region government completes switch to LibreOffice (europa.eu)

jrepin writes: The administration of the Spanish autonomous region of Valencia has completed its switch to LibreOffice, a free and open source suite of office productivity applications. Last week Friday the region's ICT department announced that the office suite is installed on all of the 120,000 desktop PCs of the administration, including schools and courts. The migration will save the government some 1.5 million euro per year on proprietary software licences.

Submission + - Xbox, PlayStation Hardware Specs Leaked

An anonymous reader writes: The next generation of video consoles from Microsoft and Sony are expected to be rolled out later this year, this time powered not by IBM Cell/Xenon processors, but by low power eight-core AMD x86 CPUs running at 1.6GHz, according to leaks from "unnamed sources". The PlayStation 4 will reportedly also rely on AMD's Radeon graphic chip, while the Xbox 720 will have a custom 800 MHz GPU optimized for Direct3D 11, according to a detailed breakdown obtained by MS watcher site Neowin (along with a reliability disclaimer: "put on your skeptical hat").

Submission + - Ron Paul Blasts NRA, Liberals Over Gun Issue (usnews.com)

ronpaulisanidiot writes: Departing libertarian congressman Ron Paul (TX) gave another defiant speech on the house floor in response to the efforts of liberals to increase gun control while the NRA calls for armed guards in every school.

While I certainly agree that more guns equals less crime and that private gun ownership prevents many shootings. I don't agree that conservatives and libertarians should view government legislation, especially at the federal level, as the solution to violence."


"Real change can happen only when we commit ourselves to rebuilding civil society in America, meaning a society based on family, religion, civic and social institutions, and peaceful cooperation through markets."


Submission + - 5 year old's christmas gift is a Nintendo 3DS filled with porn. (slashgear.com)

SternisheFan writes: Posted by Brittany Hillen on Slashgear, December 27, 2012.

Five-year-old Braydon Giles received a refurbished Nintendo 3DS for Christmas, which his father, Mark, purchased from GameStop. Unfortunately for all involved, the device wasn’t properly wiped of its previous owner’s content, which included porn. As such, Braydon discovered the images while playing with the device and asked his brother for help in getting rid of them. His brother Bryton quickly recognized the images for what they were and took the device to their father, telling him that it contained porn. Mark, upon learning this, immediately called GameStop, and, we’re guessing, gave them an earful. He said in a 9 News interview, “You can’t un-see this. He’s five years old. Maybe when he’s 18 or 20 maybe he won’t know anything about it but he’s not going to forget about it tomorrow.”

As a result, GameStop sent the family a new Nintendo 3DS, as well as a handful of games. It then issued a statement that is is looking into the situation. “We have a rigorous quality control process in place to ensure that existing content is removed from all devices before they are re-sold. Out of millions of transactions each year, ones like this happen very rarely.”

Of course, this isn’t the first time devices have been sold with porn on-board. Back in October, for example, a girl discovered porn on her refurbished cell phone, an issue for which RadioShack, which sold it, was sued. The moral of the story? When giving your child a refurbished gadget, it might be a good idea to scan through the device first to make sure everything is kosher.


Submission + - The Pacific Ocean is Polluted With Coffee (sciencedirect.com) 2

An anonymous reader writes: People aren’t the only ones getting a jolt from caffeine these days; in a new study published in Marine Pollution Bulletin, scientists found elevated concentrations of caffeine in the Pacific Ocean in areas off the coast of Oregon. With all those coffee drinkers in the Pacific Northwest, it should be no surprise that human waste containing caffeine would ultimately make its way through municipal water systems and out to sea – but how will the presence of caffeine in our oceans affect human health and natural ecosystems?

Submission + - Natalie Portman Marries Choreographer from Back Swan (latimes.com)

ronpaulisanidiot writes: You know her as Queen (or Padme) Amidala. Or Eve from V for Vendetta. Or any of a number of other roles. A while ago she became "mom" to a newborn boy. Now, she is also "Mrs. Millepied". Natalie Portman has married the choreographer from "The Black Swan".

No word on whether any grits were involved.

Submission + - New Aircraft Capable of Fast, Accurate and Repeatable Flight (mit.edu)

An anonymous reader writes: How does a bird handle the wind, hanging effortlessly while battered by gusts and darting through clusters of trees with seamless precision? Associate Professor Russ Tedrake (http://www.csail.mit.edu/user/833) wants to understand how birds can operate under such conditions and create machines that can do the same. His current goal is to develop an aircraft that can fly like a bird, darting through trees and narrowly avoiding obstacles during fast-paced flight. Tedrake and his research group at CSAIL, the Robot Locomotion Group (http://groups.csail.mit.edu/locomotion/), recently unveiled a video of a new computer-controlled aircraft that is able to accurately perform knife-edge turns, rolling 90 degrees to dart through an opening narrower than the aircraft’s wingspan.

Submission + - How do you keep up with science developments?

malraid writes: As a nerd who used to love science back in high school (specially physics), I now find myself completely disconnected from any and all scientific developments and news. How do you try to stay up to date with scientific developments? Science journals? Whatever makes it into Slashdot's front page? Books? Magazines? I'm looking for something engaging and informative, for not something that will require me to go and get a PhD just to be able to comprehend.
Classic Games (Games)

Pac-Man's Ghost Behavior Algorithms 194

An anonymous reader writes "This article has a very interesting description of the algorithms behind the ghosts in Pac-Man. I had no idea about most of this information, but that's probably because it's difficult to study the ghosts when I die every 30 seconds. Quoting: 'The ghosts are always in one of three possible modes: Chase, Scatter, or Frightened. The "normal" mode with the ghosts pursuing Pac-Man is Chase, and this is the one that they spend most of their time in. While in Chase mode, all of the ghosts use Pac-Man's position as a factor in selecting their target tile, though it is more significant to some ghosts than others. In Scatter mode, each ghost has a fixed target tile, each of which is located just outside a different corner of the maze. This causes the four ghosts to disperse to the corners whenever they are in this mode. Frightened mode is unique because the ghosts do not have a specific target tile while in this mode. Instead, they pseudorandomly decide which turns to make at every intersection.'"

Comment Re:Actually. . . (Score 1) 189

I've taken some time to read some of your past postings on Slashdot.

It wouldn't be wrong to describe you as being brilliant. You don't just appear to understand many things; you really do understand. And especially, human nature. You use common language with great dexterity.

Question: In your adult life, have you sustained any healthy, long-term, intimate relationships with anybody that wasn't characterized by by a highly unequal dominant/subordinate positioning in which you were the dominant party? (Let's not count those brief moments of humility you felt when they told you why they had to get away from you.)

Yours is the voice of a highly skilled manipulator. Your emotional supremacy is as impenetrable as it is essential to your sense of self. (I only do your kind of thing during momentary demonstrations at somebody's request; lord knows I'd never want to live all the way up there in your parts, nor to view people from that vantage point; it's too cold and lonely.)

My speculative presumption here could be very wrong. But your overbearing psyche speaks so crisply in your writings that I feel that if I were a psychiatrist, I would be able to cite a DSM diagnosis for which you would be archetypal. (I suspect you know what that diagnosis would be; care to share?)

Comment Re:don't trust it, it's about pork (Score 1) 248

if you know someone is going to get shot, is it moral to jump in front of the bullet? what about if it's just a punch?

i was talking about minimizing the money taken after corruption has already decided it wants a specific task accomplished that someone will certainly be paid money that doesn't need to be spent to give them.

i suppose you believe the moral thing to do in that case is overthrow the government?

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