বুধবার, ৬ ফেব্রুয়ারি, ২০১৩

Exhibitions plumb artistic responses to disaster

This undated image provided by the artist Coke Wisdom O'Neal was created when floodwaters from Superstorm Sandy oxidzed a photograph of a woman resting her head on a man's shoulder, turning it into an abstract image, in his basement studio in the Red Hook neighborhood of the Brooklyn borough of New York. O'Neal will include the piece in a solo exhibition at a Chelsea gallery in Manhattan in March. (AP Photo/Coke Wisdom O'Neal)

This undated image provided by the artist Coke Wisdom O'Neal was created when floodwaters from Superstorm Sandy oxidzed a photograph of a woman resting her head on a man's shoulder, turning it into an abstract image, in his basement studio in the Red Hook neighborhood of the Brooklyn borough of New York. O'Neal will include the piece in a solo exhibition at a Chelsea gallery in Manhattan in March. (AP Photo/Coke Wisdom O'Neal)

This undated image provided by the artist Coke Wisdom O'Neal was created when floodwaters from Superstorm Sandy oxidzed a photograph into a psychedelic picture in his basement studio in the Red Hook neighborhood of the Brooklyn borough of New York. O'Neal will include the piece in a solo exhibition at a Chelsea gallery in Manhattan in March. (AP Photo/Coke Wisdom O'Neal)

This undated image provided by the artist Coke Wisdom O'Neal was created when floodwaters from Superstorm Sandy oxidzed one of his Kodachrome photographic transparencies into a psychedelic picture in his basement studio in the Red Hook neighborhood of the Brooklyn borough of New York. Visible at center are family members of the artist walking together. O'Neal will include the piece in a solo exhibition at a Chelsea gallery in Manhattan. (AP Photo/Coke Wisdom O'Neal)

This undated photo provided by the New York Foundation for the Arts, by artist Scott Van Campen, shows a tanker ship that washed ashore near his flooded Staten Island studio, after Superstorm Sandy. The frame is made from stainless steel corroded by the flood waters. It will be shown in an exhibition featuring Sandy-inspired artworks at a Chelsea gallery opening on Friday, Feb. 8. 2013. (AP Photo/New York Foundation for the Arts)

This undated image provided by John Gordon Gauld shows the Brooklyn artists' ?Wildflowers and Their Teachings, ? a still life painting depicting the remnants of his flooded studio: Rusted tools and damaged books against a crumbling, peeling and moldy wall. Many New York City artists are still dealing with the shock of what Superstorm Sandy left in its path: Unusable studios and homes, destroyed tools and materials, unsalvageable artworks. But others, including Gauld, are discovering a new energy and renewed creativity in its wake. Nearly two dozen artists are showcasing their storm-related works at a New York City gallery. ?After Effects? in Chelsea opens Friday Feb. 8 and runs through Feb. 24. (AP Photo/John Gordon Gauld)

(AP) ? Coke Wisdom O'Neal looked at the soggy, stained and discolored photographs strewn about his Brooklyn studio by the salty floodwaters of Superstorm Sandy, sure there was nothing he could do to salvage them. But as he began cleaning up, he became intrigued by the transformation of a series of old family slides into cloud-like watercolors with human figures still discernible.

Now those Kodachromes, reinvented by nature, are part of an exhibition in Manhattan of art inspired by Sandy, a phenomenon that is being included in a larger look at how artists respond creatively to disasters, such as the 2011 tornado in Tuscaloosa, Ala., and California's devastating 2007 wildfires.

"The storm destroyed tools, books, old artwork, drawings and unfinished work," said O'Neal, whose studio in Brooklyn's Red Hook section was swamped by 9 feet of water. "They now feel to me like objects that were holding me back from going forward."

The "After Affects" exhibition, featuring 36 storm-inspired works by 23 artists, opens Friday at the Chashama gallery in the Chelsea neighborhood. The show is curated by the New York Foundation for the Arts, which is assisting artists whose livelihoods suffered storm losses. Many studios and galleries were in waterfront warehouse areas that suffered some of the worst damage.

"A tragedy can be inspiring or devastating," said David Terry, the foundation's curator and director of programs. "Artists are rebuilding and have to do this as a healing process."

Some works have repurposed storm detritus; Scott Van Campen made a black-and-white photograph of a 700-ton tanker ship that washed ashore near his flooded Staten Island studio. He set it in a frame made of steel corroded by sewage.

Deborah Luken, of the Long Island community of Long Beach, is showing an oil painting that she started before the storm and "took on a life of its own."

Conceived originally as an image of a spiral galaxy, it evolved into a work depicting the storm when she "realized that the patterns were very similar to that of a hurricane ? the eye in the center and the spiral winds around it," she said.

Craig Nutt, director of programs for the Craft Emergency Relief Fund, a national nonprofit that helps artists in need, said he has long been intrigued by the art community's response to disaster.

"Artists and arts organizations have the skills and capacity to craft recovery projects that address the less tangible cultural and psychological recovery needs of a community," Nutt wrote in an email, citing concerts, exhibitions and public art.

In the past year, Nutt's group has begun collecting stories like those and plans to post them soon on its Studio Protector website in the hopes of inspiring arts organizations to do the same after future disasters.

After a tornado blew down thousands of homes in Tuscaloosa, resident and nonprofit program manager Jean Mills launched "Beauty Amid Destruction," a public art project featuring banners installed along the debris field. About 50 artists nationwide donated works, something Mills said helped some local artists "jump-start their energy."

"It gave the notion that there was a gift out there in the landscape," she said. "It said art has a place in the recovery."

Devastating wildfires in Southern California in 2007 were the impetus for Art from the Ashes, a group started by artist Joy Feuer. It collects disaster debris and encourages artists to turn twisted metal, wood, glass and ash into sculptures, paintings and ceramics.

For John Gordon Gauld, a Brooklyn artist whose still life depicting the remnants of his flooded studio is featured in "After Affects," making sense of the loss of materials and works to the storm means embracing it.

"In the post-storm work, there is this sense of nature taking back the objects that I've collected," Gauld said.

O'Neal is still rebuilding his studio but simultaneously readying his psychedelic-like watercolors, which he compares to Andy Warhol's abstract oxidation paintings, for a solo exhibition in March at Mixed Greens gallery in Chelsea.

"Prior to the storm I was experimenting with working in abstraction, but was questioning my motives," O'Neal said. "Sandy gave me the opportunity to take the leap."

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/4e67281c3f754d0696fbfdee0f3f1469/Article_2013-02-05-Superstorm-Artists/id-c4939c2dc5c149cab4ac8b29913bc1f1

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মঙ্গলবার, ৫ ফেব্রুয়ারি, ২০১৩

PFT: Beyonce not to blame for outage? |? Warnings?

pic-getty-image-1-855494212Getty Images

For the NFL, the ball drops at 345 Park Avenue on Tuesday, March 12, at 4:00 p.m.? That?s when the 2013 league year begins.

This year, the clock strikes twelve ? sort of ? three days earlier.

From Saturday, March 9 through Monday, March 11, teams will be allowed to negotiate with looming free agents, by communicating directly with their agents.

Based on a calendar of key 2013 dates the NFL has circulated, the negotiating window apparently closes at midnight ET on Tuesday.? Then, 16 hours later, contracts can be negotiated and signed.

What it means is that, starting at midnight on Saturday the 9th, reports will surface of agreements in principle.? Technically, they?ll be unenforceable.? And it?s possible that there will be some double dealing and reneging and other intrigue, with reports of agreements with one team leaked in order to push other teams to getting deals done.

Regardless, the real negotiations will begin at or about the Scouting Combine later this month.? That?s when the illegal tampering always begins, and everyone does it.

And they?ll continue to do it unless and until some unlucky team gets caught and receives the bounty treatment, absorbing a penalty so significant that it scares everyone else straight.

At least for a little while.

Source: http://profootballtalk.nbcsports.com/2013/02/04/goodell-dont-blame-beyonce-for-power-outage/related/

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Twitter Makes Big Acquisition, Buys Social TV ... - Business Insider

Twitter has acquired Bluefin Labs, a social TV analytics company that was founded in 2008, sources say.

Although we don't know the exact acquisition price, we were told this is Twitter's biggest acquisition to date.?

(Presumably these sources were excluding Twitter's early stock aquisition of Summize, which would now be worth ~$800 million.)

Prior to Bluefin Labs, Twitter's highest acquisition (as far as we can tell) was TweetDeck for $40 million in May 2011.

Since Bluefin Labs has raised $20.5 million to date, we assume the price is between $50 and $100 million (or higher), a healthy return for its investors, Time Warner Investments, SoftBank Capital, Acadia Woods Partners, Bedrocket Media's Brian Bedol, Jim Pallotta, Redpoint Ventures, Dan Gilbert, Lerer Ventures, Kepha Partners and the National Science Foundation.

Twitter's move into social TV makes a lot of sense. It hired a Head of TV last fall and there's a strong correlation between people watching shows and tweeting about them. Just look at last night's Super Bowl. With the help of a lengthy blackout, it was the most social event to ever air. According to Bluefin Labs, the event racked up 30.6 million mentions on Twitter, Facebook, and GetGlue, up from 12.2 million one year prior.

In addition Twitter has been dubbed the new TV Guide by Ad Age, and it secured a multi-year partnership with Nielsen in December to produce the first-ever social TV ratings.

The ratings will use a standard metric and reflect how many times a program is mentioned on Twitter. They'll be available for commercial use during the fall 2013 TV season.

Earlier this year, Twitter's UK team published a report about how its users interact with TV.

A few slides from the deck offer a strong hint as to why Twitter is making this deal:?

The relationship between Twitter and television is strongly symbiotic. Twitter users love talking ?about what is happening on TV, TV viewers love using Twitter to see other viewers? opinions.

Twitter is increasingly acting as the second screen to TV. In this publication we explore the links between these two screens. Twitter is the shortest distance between you and what interests you most. ?

This interest is expressed in a huge volume of conversation. 400 million Tweets are sent every day. ?As a result when events happen in the real world, they happen on Twitter.?

More and more we?re ?nding this is true for TV. When stand-out moments happen on TV, spikes in ?related conversation happen on Twitter. In fact, according to Second Sync, 40% of all UK Twitter traffic at peak TV viewing time is about TV.

Through the two distinct phenomena of discovery and engagement, Twitter and TV drive each other in a complimentary cycle. For example, a hashtag on air can boost engagement by organising viewers to tweet and interact. In the other direction, a TV-related Trend, or Tweet in a user?s timeline, can drive discovery.

Twitter is a real-time, public mirror for both broadcast content and advertising. Every programme - and every ad - has a Twitter presence.

Integration of Twitter into TV content can further stimulate engagement and discovery.

Simply adding hashtags on air - or in ads - helps to organise and steer the conversation.

In advertising, we?re seeing that deeper integration of Twitter not only drives discovery and engagement but also drives increases in brand recall scores and other marketing goals

In the eyes of advertisers, Twitter is arguably the most important social network. Again, if you look at last night's Superbowl, 50% of ads that ran mentioned Twitter. Only 8% mentioned Facebook; none mentioned Google +.?

Bluefin Labs offers detailed reports about which brands are discussed most on social media. It can provide Twitter the ammo it needs to hook advertisers by showing who needs to spend money to up their social media status, and who needs to spend money to maintain their place at the top.

We've reached out to both Twitter and Bluefin Labs and will update if either has a comment.

Source: http://www.businessinsider.com/twitter-bluefin-labs-2013-2

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Warning: Avoid Selling a Website at BIN with Paypal Payment on ...

I haven't been active for more than 2 years in website flipping, and my comeback is giving me a mixed feeling.

I love online business and make money online as a business. I love the opportunities and I love the buying and selling website activities, even though I was just starting out again.

But it's somewhat annoying knowing that my comeback would bring a bit of an issue for me.

Flippa BIN with Paypal woes

I was selling a website on Flippa. I know that they are the best in buying and selling websites on the web today, and I can't see any competitors on sight. They have nearly $100 million in sales overall, and nearly half of the website listed was ended up getting sold - that's a living proof that Flippa helps website owners and flippers in getting things done - kudos for that, Flippa!

However, I have a little incident when selling one of my websites. It was a relist, as the first listing was not successful - no worries, this is completely normal. However, things are getting "interesting" on the relisting of the same website.

For the first listing, I set no BIN (Buy-It-Now) price - the sky's the limit. But as I learn that people are not that interested in this particular website, I set a BIN, along with a Paypal payment option. So, when you BIN the listing, you need to pay immediately via Paypal to close the deal.

I thought that the above will help me and the buyers to close the deal faster. I was wrong.

As the auction is halfway there, I was excited getting a payment notification via my email, as I receive fund from Paypal. As promised, I pay the "success fee" or commission to Flippa for this - also automatically charged by the system.

But then, I get a message from the buyer that the auction is NOT automatically ended, as intended! So, the auction is still running as if there's nothing wrong with it. This confuses me AND my buyer. I have contacted Flippa for support and get a reply that this issue will be forwarded to the development team. I can wait...

But things are getting "interesting" a moment later: 2 days after the error - still unresolved - my listing was getting another BIN WITH Paypal payment from a different buyer. And this time, the auction was closed automatically and the latest buyer was declared an auction winner.

Wow - confusion, confusion!

Things get complicated. I messaged the latest buyer that the listing has actually had a winner, although technically not shown in the listing. He said he is willing to wait.

But the first buyer is getting impatient - for an obvious reason: He has paid but he hasn't received the "goods." I totally understand this, so I decided to go for the first buyer and message the second buyer that I have refunded his money.

But felling wronged, the second buyer was dissatisfied - again, for an obvious reason. I try to reason, explaining to him that the first buyer is the original auction winner, and finally he understood.

All of that happens, with Flippa support seems to stay away from this issue. I've send more support messages - FIVE of them, actually, detailing the progress of the issue - with no response.

I expect Flippa to "mediate" this - they are the marketplace anyway, and this "dispute" is not actually worth-disputing as there's no scam involved - it's their system glitch. But as the system declares someone else as a winner, this issue was becoming bigger.

I can understand system mishaps - I am involved in IT and although I am not considering myself as a proper programmer, I do understand a thing or two about programming, especially PHP/MYSQL.

I also understand that Paypal integration can go awry, as it involves a third party service. But I don't know that not giving explanation is included in the package.

All a buyer or seller needs is just an explanation that they have taken a good care of this issue and will resolve this in timely manner. That's all.

Lessons learned

You know what, this is the first time I use BIN with Paypal payment on Flippa. I should've done what I'd normally do: With caution. It's my mistake, and lessons well learned.

Lessons learned: If you are going to sell a website on Flippa with BIN option, DON'T attach it with any Paypal payment. Without a direct Paypal payment, you will have the option to accept or reject BIN offer. So, when something is wrong, system-wise, you can always reject future bids until the issue is finally resolved or the auction ends.

Furthermore, you need to be aware of the potential issues when you are dealing with a service which integrates with another third-party service, especially when it involves payments.

Paypal has just experiencing a world-wide issue, and I assume it has been resolved; it seems that it isn't. But things happen.

With regard to Flippa, I will always be a big fan. Bitter? Nah. Disappointed? A little. I was just hoping Flippa mediates dispute better and step up and give buyers and sellers a better peace of mind.

To avoid, I'd just stay away from using Paypal direct payment via Flippa. The intended-convenience doesn't worth the trouble when things go wrong.

In the end, I have achieved my goal of selling my site. I was kinda hoping the auction went smoothly; the transaction itself went smoothly (a great buyer!), but auction-wise, it could be better.

Photo credit: Milkwooders via photopin cc

Source: http://www.aseponde.com/warning-avoid-selling-a-website-at-bin-with-paypal-payment-on-flippa/

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Using single quantum dots to probe nanowires

Feb. 5, 2013 ? Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law -- the doubling of computing power ever 18 months or so -- be sustained? Can the compactness (nm-scale components) of electronics be combined with the speed of photonics? Well, one such hybrid approach is being explored at the Joint Quantum Institute, where scientists bring together three marvelous physics research fields: microfluidics, quantum dots, and plasmonics to probe and study optical nanostructures with spatial accuracy as fine as 12 nm.

Plasmonics

When light strikes a strip of metal an electron wave can be excited in the surface. Is this "surface plasmon" a bit of light or electricity. Well, it's a bit of both. The wavelength of this electromagnetic wave is shorter and the energy density higher than that of the incoming laser light; the plasmon is thus tightly localized light constrained to propagate along the meal surface. The science of "plasmonics" has arisen to capitalize on various imaging, sensing, and processing abilities inherent in plasmons. To start with, though, one needs to know exactly what happens at that laser-excited metallic surface. That light is converted into the plasmonic wave; later the energy can be reconverted into light.

Here's where the JQI experiment comes in. The main result of the work, published February 5 in the journal Nature Communications, is to provide a map showing how the metal strip, in this case a silver wire 4 microns long and 100 nm wide, lights up.

Microfluidics and Quantum Dots

The other two chief components of the experiment, in addition to plasmonics, are microfluidics and quantum dots. Microfluidics, a relatively new science all by itself, features the movement of nanoliter volumes of fluids through channels defined on microchips, analogous to the conducting paths strung across microprocessors for carrying electrical currents. Quantum dots, nanometer-sized semiconductor balls, are tailored to possess a specified set of allowed energy states; in effect the dots are artificial atoms that can be moved around. In the JQI experiment the 10-nm-wide dots (the important cadmium-selenide layer is only 3 nm thick) float in a fluid whose flow can be controlled by varying an applied voltage. The dots are drawn up close to the nanowire as if they were mines next to a submarine.

Indeed the dot is there precisely to excite the wire. The dot is fluorescence machine -- in a loose sense a nanoscopic lightbulb. Striking it with green laser light, it quickly re-emits red light (one photon at a time), and it is this radiation which excites waves in the nearby wire, which acts like an antenna. But the interaction is a two-way street; the dot's emissions will vary depending on where along the length of the wire it is; the end of the wire (like any pointy lightning rod on a barn) is where electrical fields are highest and this attracts the most emission from the dot.

A CCD camera captures light coming from the dots and from the wire. The camera qualities, the optical properties of the dot, the careful positioning of the dot, and the shape and purity of the nanowire combine to provide an image of the electric field intensity of the nanowire with 12-nm accuracy. The intensity map shows that the input red light from the quantum dot (wavelength of 620 nm) has effectively been transformed into a plasmonic wavelength of 320 nm.

Chad Ropp is a graduate student working on the project and the lead author on the paper. "Plasmonic maps have been resolved before, but the quantum mechanical interactions with a single emitter have not, and not with this degree of accuracy," said Ropp.

Possible Applications

In an actual device, the quantum dot could be replaced by a bio-particle which could be identified through the nanowire's observed effect on particle's emissions. Or the dot-wire duo could be combined in various configurations as plasmonic equivalents of electronic circuit components. Other uses for this kind of nanowire setup might exploit the high energy density in the plasmonic state to support nonlinear effects. This could enable the nanowire-dot combination to operate as an optical transistor.

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Story Source:

The above story is reprinted from materials provided by Joint Quantum Institute, via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Chad Ropp, Zachary Cummins, Sanghee Nah, John T. Fourkas, Benjamin Shapiro, Edo Waks. Nanoscale imaging and spontaneous emission control with a single nano-positioned quantum dot. Nature Communications, 2013; 4: 1447 DOI: 10.1038/ncomms2477

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/CqL0mcLtkR0/130205123652.htm

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সোমবার, ৪ ফেব্রুয়ারি, ২০১৩

Magnetic Transistor Could Cut Power Consumption and Make Chips Reprogrammable

one that requires voltage to keep it on, one that requires voltage to keep it off (P channel vs N channel FET's), ones that require current levels to keep it on and off (npn and pnp BJT's)

so to say

"First, keeping the voltage on requires power"

is a broad statement, yea something that uses power requires power

Then

"Second, transistors must be hard-wired into the chips and can't be reconfigured"

well yea, but we have long established configurations of transistors that can be reconfigured to suit needs, its calle

Source: http://rss.slashdot.org/~r/Slashdot/slashdotScience/~3/6w9E7uTwzUU/story01.htm

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Revenue must be part of any budget deal: Harry Reid

WASHINGTON (Reuters) - The top Senate Democrat said on Sunday tax revenue must be part of any deal to replace looming automatic spending cuts, despite Republican warnings that they will not buckle over this issue after conceding on tax rises for the rich a month ago.

In separate remarks, Defense Secretary Leon Panetta also took aim at the $85 billion in across-the-board spending cuts, known as the sequester, which bite on March 1 unless Congress takes action, and warned they would harm U.S. security.

Senate Majority Leader Harry Reid said the American people backed his party in the argument over tax increases and spending cuts, singling out tax breaks for oil companies and corporate jets as examples of loopholes he would close.

"The American people are on our side. The American people don't believe in these austere things. We believe that the rich should contribute," he told ABC News program "This Week With George Stephanopoulos."

The March 1 cuts are a holdover from a 2011 budget deal to lift the U.S. debt limit and deliver $1.2 trillion in spending cuts. These were meant to be so painful that Congress would ultimately replace them with other budget savings.

Economists and several bipartisan congressional commissions say these must include a mixture of reforms to the tax code and so-called entitlement spending on social security, and Medicare and Medicaid health programs for poor and older Americans.

But bitterly divided lawmakers have so-far failed to agree a plan, threatening across-the-board cuts that could dent a fragile U.S. economic recovery, and efforts to lower lofty U.S. unemployment that rose 0.1 percentage point to 7.9 percent in January.

Democratic President Barack Obama won re-election in November in a campaign built solidly on his argument that richer Americans should pay more in taxes to help lower U.S. deficits over time.

He won the first round of that debate when Republicans allowed taxes to rise for American families earning more than $450,000 a year, in order to preserve tax cuts for everyone else that would otherwise have expired on January 1. Reid said that Democrats would continue to make that case.

"We believe we should fill those tax loopholes ? get rid of them, I should say. And that's where we need to go," Reid said. "And I've got a pretty good fan base for that: the American people. Republicans, Democrats, and Independents."

Panetta, the outgoing secretary of defense and himself a Democrat, told NBC's "Meet the Press" that the automatic spending cuts would be deeply harmful.

"If sequester happens, it is gonna badly damage the readiness of the United States of America," he said. "We are gonna weaken the United States and make it much more difficult for us to respond to the crises in the world."

(Reporting By Alister Bull; Editing by Mohammad Zargham)

Source: http://news.yahoo.com/revenue-must-part-budget-deal-harry-reid-191048512.html

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