বুধবার, ১৯ ডিসেম্বর, ২০১২

Essar Steel Algoma to finish energy upgrade in '13

Dec 18, 2012 | 03:45 PM | Chris Prentice

Tags? Essar Steel Algoma, Sault Ste. Marie, Ontario, steelmaking, steel plate, steel strip, hot-rolled sheet, cold-rolled sheet energy infrastructure

NEW YORK ? Essar Steel Algoma Inc. is set to complete a Canadian $30-million ($30.4-million) project to revamp the energy infrastructure at its Sault Ste. Marie, Ontario,....


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From super to ultra: Just how big can black holes get?

Dec. 18, 2012 ? Some of the biggest black holes in the Universe may actually be even bigger than previously thought, according to a study using data from NASA's Chandra X-ray Observatory.

Astronomers have long known about the class of the largest black holes, which they call "supermassive" black holes. Typically, these black holes have masses ranging between a few million and a few billion times that of our sun.

This new analysis of the brightest galaxies in a sample of 18 galaxy clusters suggests that the masses of at least ten of the supermassive black holes in these galaxies are ultramassive, in that they weigh between 10 and 40 billion times the mass of the sun. Astronomers refer to black holes of this size as "ultramassive" black holes and only know of a few confirmed examples.

"Our results show that there may be many more ultramassive black holes in the universe than previously thought," said study leader Julie Hlavacek-Larrondo of Stanford University and formerly of Cambridge University in the UK.

The researchers estimated the masses of the black holes in the sample by using an established relationship between masses of black holes, and the amount of X-rays and radio waves they generate. This relationship, called the fundamental plane of black hole activity, fits the data on black holes with masses ranging from 10 solar masses to a billion solar masses.

The black hole masses derived by Hlavacek-Larrondo and her colleagues were about ten times larger than those derived from standard relationships between black hole mass and the properties of their host galaxy. One of these relationships involves a correlation between the black hole mass and the infrared luminosity of the central region, or bulge, of the galaxy.

"These results may mean we don't really understand how the very biggest black holes coexist with their host galaxies," said co-author Andrew Fabian of Cambridge University. "It looks like the behavior of these huge black holes has to differ from that of their less massive cousins in an important way."

All of the potential ultramassive black holes found in this study lie in galaxies at the centers of massive galaxy clusters containing huge amounts of hot gas. Outbursts powered by the central black holes are needed to prevent this hot gas from cooling and forming enormous numbers of stars. To power the outbursts, the black holes must swallow large amounts of mass in the form of hot gas. Because the largest black holes can swallow the most mass and power the biggest outbursts, ultramassive black holes had already been predicted to exist to explain some of the most powerful outbursts seen. The extreme environment experienced by these galaxies may explain why the standard relations for estimating black hole masses do not apply.

These results can only be confirmed by making detailed mass estimates of the black holes in this sample, which is by modeling the motion of stars or gas in the vicinity of the black holes. Such a study has been carried out for the black hole in the center of the galaxy M87, the central galaxy in the Virgo Cluster, the nearest galaxy cluster to Earth. The mass of M87's black hole, as estimated from the motion of the stars, is significantly higher than the estimate using infrared data, approximately matching the correction in black hole mass estimated by the authors of the Chandra study.

"Our next step is to measure the mass of these monster black holes in a similar way to M87, and confirm their existence. I wouldn't be surprised if we end up finding the biggest black holes in the Universe," said Hlavacek-Larrondo. "If our results are confirmed, they will have important ramifications for understanding the formation and evolution of black holes across cosmic time."

In addition to the X-rays from Chandra, the new study also uses radio data from the NSF's Karl G. Jansky Very Large Array (JVLA) and the Australia Telescope Compact Array (ATCA) and infrared data from the 2 Micron All-Sky Survey (2MASS).

These results were published in the July 2012 issue of The Monthly Notices of the Royal Astronomical Society.

NASA's Marshall Space Flight Center in Huntsville, Ala., manages the Chandra program for NASA's Science Mission Directorate in Washington. The Smithsonian Astrophysical Observatory controls Chandra's science and flight operations from Cambridge, Mass.

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Story Source:

The above story is reprinted from materials provided by Chandra X-ray Observatory.

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


Journal Reference:

  1. J. Hlavacek-Larrondo, A. C. Fabian, A. C. Edge, M. T. Hogan. On the hunt for ultramassive black holes in brightest cluster galaxies. Monthly Notices of the Royal Astronomical Society, 2012; 424 (1): 224 DOI: 10.1111/j.1365-2966.2012.21187.x

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/top_technology/~3/e_q4YWhu1NE/121218143000.htm

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Newtown shooter's computer badly damaged

A computer at the Connecticut home where Newtown, Conn., school shooter Adam Lanza lived with his mother was badly damaged, perhaps smashed with a hammer, said police who hope the machine might still yield clues to the gunman's motive.

The computer's hard drive appeared to have been badly damaged with a hammer or screw driver, law enforcement authorities told ABC News, complicating efforts to exploit it for evidence.

Officials have "seized significant evidence at [Lanza's] residence," said Connecticut State Police spokesman Paul Vance, adding that the process of sifting through that much forensic evidence would be a lengthy and "painstaking process."

Authorities also told ABC News that the weapons used in Friday's rampage at Sandyhook Elementary School, which left dead 20 children and seven adults including Lanza's mother Nancy, were purchased by his mother between 2010 and 2012.

According to the Bureau of Alcohol Tobacco and Firearms, Lanza visited shooting ranges several times in recent years, and went at least one time with his mother.

The first funeral for a child killed in the massacre was held today in Fairfield, Conn., where mourners gathered to remember the too-short life of first-grader Noah Pozner.

Authorities also revealed this morning that two adult women shot during the rampage survived and their accounts will likely be integral to the investigation.

"Investigators will, in fact, speak with them when it's medically appropriate and they will shed a great deal of light on the facts and circumstances of this tragic investigation," Connecticut State Police Lt. Paul Vance said at a news conference today.

Both survivors are women and are now home from the hospital after being shot, police said. Officials had previously mentioned just one adult survivor. The women have not been identified and police did not give details on their injuries.

READ MORE: School nurse hid from gunman.

Both adults, Vance said, were wounded in the "lower extremities," but did not indicate where in the building they were when they were injured.

Moving trucks were seen outside Sandy Hook Elementary School this morning, as school officials prepare to move furniture and supplies to a vacant school in neighboring Monroe.

Sandy Hook itself will remain a secure crime scene "indefinitely," said Vance.

CLICK HERE for complete coverage of the tragedy at Sandy Hook.

Police say Adam Lanza, 20, forced his way into Sandy Hook Elementary School on Friday, spraying bullets on students and faculty. Lanza killed 20 children and six adults before turning the gun on himself.

Lanza also killed his mother Nancy Lanza at the home they shared before going to school.

"There are many, many witnesses that need to be interviewed," Vance said. "We will not stop until we have interviewed every last one of them."

Vance said the investigation could take weeks or months to complete. "It's not something done in 60 minutes like you see on T.V."

Some of the other key witnesses will be children who survived the shooting spree by playing dead, hiding in closets and bathrooms and being rescued by dedicated teachers.

"Any interviews with any children will be done with professionals...as appropriate," Vance said. "We'll handle that extremely delicately when the time arises."

CLICK HERE for a tribute to the shooting victims.

The first funerals for victims of the shooting are today, beginning with 6-year-olds Noah Pozner and Jack Pinto.

Officials said today that the Sandy Hook Elementary School, where the shooting took place, will be closed "indefinitely."

Both the school and the home where shootings took place are being held by police as crime scenes and Vance predicted authorities would spend "months" investigating the elementary school.

All Newtown schools are closed today to give residents more time to cope. Every school except for Sandy Hook is expected to re-open Tuesday.

The town of Monroe has offered to open to Sandy Hook students the Chalk Hill School, a former middle school that currently houses the town's EMS and recreational departments.

Officials in Monroe, less than 10 miles from Newtown, say the building could be ready for students by the end of the week, but have not yet set a date to resume classes.

Nearly 100 volunteers are working to ensure the building complies with fire and security regulations and are working to retorfit the school with bathroom facilities for young children.

"We're working to make the school safe and secure for students," said Monroe Police Department spokesman Lt. Brian H. McCauley.

The neighboring community's school is expected to be ready to accommodate students in the next few days, though an exact schedule has not yet been published.

While the families grieve, federal and state authorities are working around the clock to answer the question on so many minds: "Why?"

ABC News has learned that investigators have seized computers belonging to Adam Lanza from the home he shared with his mother. Three weapons were found at the school scene and a fourth was recovered from Lanza's car. Lanza had hundreds of rounds and used multiple high-capacity magazines when he went on the rampage, according to Connecticut State Police.

Vance said that every single electronic device, weapon and round will be thoroughly examined and investigated as well as every aspect of Lanza's life going "back to the date of birth."

ABC News has learned that both the shooter and his mother spent time at an area gun range; however it was not yet known whether they had shot there.

President Obama delivered an emotional address at an interfaith prayer vigil in Newtown on Sunday night, comforting the community.

"I come to offer the love and prayers of a nation," the president said. "I am very mindful that mere words cannot match the depths of your sorrow nor can they heal your wounded hearts. I can only hope it helps to know you are not alone ... and that all across this land we have wept with you."

"These tragedies must end," Obama said. "And to end them we must change."

Thousands came out of the prayer vigil where Red Cross members distributed stuffed dogs to children and adults wept in the auditorium.

"We needed this. We needed to be together, here in this room, in the gymnasium, outside the doors of this school, in living rooms around the world," said Rev. Matt Crebbin, senior minister of the Newtown Congregational Church. "These darkest days of our community shall not be the final word heard from us."

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Source: http://news.yahoo.com/newtown-shooters-computer-badly-damaged-151437335--abc-news-topstories.html

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মঙ্গলবার, ১৮ ডিসেম্বর, ২০১২

Twitter outrage as Instagram says it can use all photos in advertising

Instagram, the popular photo-sharing service that Facebook bought this year, is the target of a storm of anger on Twitter and other sites after a change in its user agreement hinted that it might use shared photos in ads.

It?s not clear that anything substantive has changed in Instagram?s new terms of service, which were posted Monday and go into effect Jan. 16. As is the case before, the service reserves the right to use shared photos in any matter it likes, though the photographers keep ?ownership? of the photos.

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The updated terms of service say users agree that their photos could be used ?in connection with paid or sponsored content.? The current terms say the service can place ads ?on, about or in conjunction with your Content.?

The fast-growing site is a popular way to share photos from cellphones. Facebook Inc. bought Instagram in September. The cash-and-stock deal was worth $1-billion (U.S.) when it was announced in April, though that fell to about $740-million by the time it was completed because of Facebook?s falling stock price.

The updated terms suggests that Facebook wants to integrate Instagram into its ad-serving system, which can, for instance, promote an item by telling users that their friends ?Like? it. The new terms make it clearer that Instagram could use your photos to market to your friends.

Instagram announced the change in a blog post, but didn?t explain its intentions. It said a concurrent change to the privacy policy, a separate document, would help Instagram function more easily as part of Facebook.

Twitter users were vowing to cancel their Instagram accounts in response to the policy change, complaining that the new terms would essentially let the service sell people?s photos for ads.

Are you upset about changes to Instagram's user agreement? Will you stop using it? E-mail technology reporter Omar El Akkad at oelakkad@globeandmail.com or leave a comment to share your thoughts.

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Source: http://www.theglobeandmail.com/technology/twitter-outrage-as-instagram-says-it-can-use-all-photos-in-advertising/article6511839/?cmpid=rss1

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Twitter Offered To Buy Instagram For $525 Million - Business Insider

Twitter offered to buy Instagram for $525 million in cash and stock this March, Nick Bilton at the New York Times reports.

This was three weeks before Mark Zuckerberg closed a deal to buy Instagram for $1 billion (at the time).

Unlike most reports of an almost-deal, this one, according to Bilton, could lead to legal trouble for Instagram CEO Kevin Systrom.

In August, Systrom testified to the California Corporations Department about the Facebook deal. It was a way to speed up approval of the acquisition.

During the hearing Systrom was asked if he had ever received competing offers. He said, "We never received any formal offers or term sheets."

But, Bilton's sources say Systrom verbally agreed to the $525 million deal with Twitter before backing out, saying he wanted to keep the company independent. Further, he did get a term sheet, which is an outline of a formal deal, from Twitter. He didn't keep the term sheet, however.

Bilton says Systrom previously worked in M&A at Google, so he knew the ins and outs of acquisitions. Bilton also says Systrom never met at Twitter's offices or Instagram's; instead they always met somewhere neutral like a restaurant. When he was given the term sheet, he read it over, memorized it, then handed it back to Twitter.

It's unclear whether Systrom and Facebook will be in trouble if Bilton's story is accurate. It would be up to the California Corporations Department. And it tells Bilton, "[we have] not received any complaints or protests of our original fairness hearing proceedings in the Facebook/Instagram acquisition."

Read the full thing at the New York Times >

Source: http://www.businessinsider.com/twitter-offered-to-buy-instagram-for-525-million-2012-12

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Make More Money Today With These Internet Promotion Tips ...

Some companies are able to last for years as modest but successful enterprises, and some are destined to grow into huge corporations. Many businesses unfortunately don?t make it past their first year. Business start-ups often fail. The rate of online failures is even higher than the rate for brick-and-mortar companies. This article is designed specifically to prevent this from happening to you, by providing you with valuable Online marketing tips.

While website marketing has similarities to other marketplaces, it also has its own distinctions and nuances. For example, what if search engines suddenly stopped using title tags as a means of determining search ranking? When that happens, you need to be ready to switch gears, like putting an increased effort behind video marketing.

Try using ad banners on your site that don?t actually look like a banner. Ideally, you want to have ad banners that appear to be links to more content instead of off-site advertisements. Most people will not click banners when they see them, so this will entice them to.

Be charitable. Make your charity one that speaks to your customers, and make them aware that a portion of your profits go to this charity. This is a good way to develop a positive image for your business. You could support several charities and allow your customers to choose their favorite.

Video marketing can be a very effective advertising technique. When you add an engaging video you give a personal touch to your customers and they are more willing to make purchases from you. A unique title and picture will get more customers to buy from you.

Be very careful with making bold claims and promises in your Internet ads. That is because they are used to a lifetime of misleading advertising. This means that what is said on your site must be backed up with concrete proof. Examples of this include testimonials, before-and-after photographs, and test reports. However, if you cannot back up your facts, don?t publish them. Treat customers like they?re informed and intelligent. Don?t take customers for granted. By being truthful in everything you say and do, you will have a solid, long lasting company.

Advertise special deals on your check-out page. Seeing a half price-item can lead to more business from the same customer. You can really thin out your extra merchandise and boost your sales by doing this while simultaneously promoting goodwill from your customer who will feel he or she is getting a really great deal.

Consistent blogging is a productive way to enhance any online marketing venture. A frequently updated blog is a great way for you to reach customers, and provide them with information about your products. As you increase the breadth of your site, you will cause more visitors to show up.

An important Online marketing tip is to make sure your clients are comfortable when they visit your website. Make sure your readers know you take privacy and security seriously! Add a link to your site?s privacy policy on each page in a visible location above the fold. These guarantees are a great way to gain the confidence of consumers that are iffy about shopping online. Your customers will be pleased that their identities were protected when they bought your product.

Place rich, descriptive words within your site. People like adjectives, so use plenty of them throughout your site. You might even consider making up adjectives yourself to engage your readers by your creative interpretations. Engender a desire to come back to your website, just to see what you might say next.

Create a website adapted to your target audience. If you can provide what they want, your efforts will pay off tenfold. Ask for opinions that are objective on your website. Ask friends or family, or even ask for comments from those in a marketing forum. Do your research, make notes, and develop a website that will truly help people.

Offer electronic freebies that have branding that includes your site, and then submit it to sites that list free items. For example, your free e-book can be offered by an e-book website. There are many different sites that supply freebies, e-zines and articles that you can attempt to submit to.

Try taking advantage of searches using images. If you place relevant images on your site it can pique interest in what else your site has to offer. It is common for someone to come to your site while searching for information, and stay because their interest was piqued. Once they have been to your site and are familiar with your brand, they are more apt to visit again in the future.

Remember small details on your pages. Your title should always stay in the top right of all your pages, as well as a short description of your site. Visitors will land on different pages depending on the searches that they perform, and if they can?t figure out what you?re site is about, they are likely to leave immediately.

Fast is a great word to use in ad campaigns, as well as in the language around your products. People are frequently more interested in speed than they are in saving money, so be sure to highlight the fact that you get things done quickly!

It is vital that you track your numbers closely. This includes web traffic, referrals, sales and any other stats you can think of. Since they allow you to track what is working and what isn?t, detailed statistics can help you to tweak your Internet marketing methods.

Write articles about your business and send them to magazines for publishing. Make sure you include your business information and website information in your articles. You can entice the editors with commissions or freebies that encourage them to publish your content.

You don?t have to fail with an online business. If you use these suggestions here in this article you can be successful.


If you have any problems marketing on the Internet, you should know there is a lucrative solution to the complicated online marketing world.



To Your Success,

P.S. Facebook is starting to block Free Speech, and I invite you to Protest with me ? just go here, and follow the assignments: http://www.empowernetwork.com/facebook-protest/?id=nkedem

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Source: http://www.im-steps.com/make-more-money-today-with-these-internet-promotion-tips/

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PICS: 'Rock Against Cancer' ? Honolulu, Hawaii Calendar of Events ...

PHOTOS BY KAT WADE / Special to the Star-Advertiser

Everclear returned to Honolulu to headline the ?Rock Against Cancer,? a benefit for the Kapiolani Medical Center Foundation?s Campaign for Hawaii?s Children at Hawaiian Brian?s, for the second year in a row on Saturday, Dec. 15. Former Hawaii band I Digress and Kings of Spade opened the show.

Related Post:

Review: Everclear rocks on at cancer benefit

Source: http://www.honolulupulse.com/slider/pics-rock-against-cancer

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