Quotations of the day

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[ [ [[' the 28-year-old neighborhood watchman who shot and killed', 4]], '28924649', '0' ], [ [['because I know God protects me', 14], ['Brian Snow was at a nearby credit union', 5]], '28811216', '0' ], [ [['The state news agency RIA-Novosti quoted Rosaviatsiya', 6]], '28805461', '0' ], [ [['measure all but certain to fail in the face of bipartisan', 4]], '28771014', '0' ], [ [['matter what you do in this case', 5]], '28759848', '0' ], [ [['presume laws are constitutional', 7]], '28747556', '0' ], [ [['has destroyed 15 to 25 houses', 7]], '28744868', '0' ], [ [['short answer is yes', 7]], '28746030', '0' ], [ [['opportunity to tell the real story', 7]], '28731764', '0' ], [ [['entirely respectable way to put off the searing constitutional controversy', 7]], '28723797', '0' ], [ [['point of my campaign is that big ideas matter', 9]], '28712293', '0' ], [ [['As the standoff dragged into a second day', 7]], '28687424', '0' ], [ [['French police stepped up the search', 17]], '28667224', '0' ], [ [['Seeking to elevate his candidacy back to a general', 8]], '28660934', '0' ], [ [['The tragic story of Trayvon Martin', 4]], '28647343', '0' ], [ [['Karzai will get a chance soon to express', 8]], '28630306', '0' ], [ [['powerful storms stretching', 8]], '28493546', '0' ], [ [['basic norm that death is private', 6]], '28413590', '0' ], [ [['songwriter also saw a surge in sales for her debut album', 6]], '28413590', '1', 'Watch music videos from Whitney Houston ', 'on Yahoo! Music', 'http://music.yahoo.com' ], [ [['keyword', 99999999999999999999999]], 'videoID', '1', 'overwrite-pre-description', 'overwrite-link-string', 'overwrite-link-url' ] ]

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Apple eMate 300 prototype pops up on eBay, buy it now for $8,500

Apple eMate 300 prototype pops up on eBay, buy it now for $8,5000

?At this point we kind of just expect vintage Apple machines to surface on eBay: just last month we came across a WALT prototype, followed by a Macintosh 128k a few days ago. Now, the fresh face at eBay's auction party is Apple's eMate 300, which is said to be in "good working order" and showing no signs of wear. There's no bidding war going on at the moment, but there is a "Buy it now" option that's got the laptop priced at a whopping $8,500. Of course, you're likely to get your money's worth, with a 25 MHz ARM 710a RISC processor, a 480 x 320 display and an almighty stylus pen -- all while being powered by Cupertino's Newton OS. Think this is worth adding to your fancy collector's shelf? We'll let you chew on that while you pore over the sell-off page.

Apple eMate 300 prototype pops up on eBay, buy it now for $8,500 originally appeared on Engadget on Tue, 17 Apr 2012 12:32:00 EDT. Please see our terms for use of feeds.

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Advice In Stock Market Movers Examined | Replica Handbags

The stock market is not as complex as you think. If you take a few weeks to learn more about investing and get the right tools to assist you, you could become a trader yourself. Keep reading to find out more about the stock market and how you could be making money.

If you have some spare money to invest consider putting it into your employer-based pension plan. Many companies will match a percentage up to 100% of the contributions made by its employees, and this is basically the opportunity to receive free money. If you don?t take advantage of this, it is tantamount to wasting quite a substantial opportunity.

Keep in mind that investing is a business, not a hobby. You?re doing this to make money, not for fun. Any time you?re doing something regarding your investments, whether it?s getting a magazine subscription or investing in a new stock, you need to sit down and ask yourself whether it?s going to help you make money, or if you?ll lose money from it.

You should never invest all your money into one business. It does not matter how much you love a particular industry. In order to build up an excellent investment portfolio, you have to diversify. Diversification is the proven method of greatly increasing your chances of profiting from your stock purchases.

In order to guard against sharp drops in the fortunes of particular industry sectors, it is important to keep stocks of various types in your portfolio at all times. That way, you can remain insulated from unexpected losses in one area of the market because you continue to hold assets in sectors that are performing better. Navigate to CLICK HERE To Find Out More for superb tips.

Do not start to sell all of your stock just because of an impending bear market. You may be trying to lighten potential losses, but this can be a huge mistake. Eventually, the market will rebound and most of the stocks will, too. Trying to cut your losses may actually cause them to be greater.

Before you invest money in the stock market, it is helpful to give yourself some practice. Choose several companies or funds and note the price and the date. Keep track of these picks and evaluate your reasons for wanting to invest. As you watch the companies over time, you will develop insight into how effective your ability to pick a good stock is developing.

In conclusion, although the stock market can be a complicated thing to invest in, it is still very possible to invest and have success. All that is needed to do this is a clear understanding of the stocks and how to analyze them. Thanks to the advice in this article, it can be easier to do.

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Discovery advances graphene-based electronics

Monday, April 16, 2012

Scientists and engineers at the University of Wisconsin-Milwaukee (UWM) have discovered an entirely new carbon-based material that is synthesized from the "wonder kid" of the carbon family, graphene. The discovery, which the researchers are calling "graphene monoxide (GMO)," pushes carbon materials closer to ushering in next-generation electronics.

Graphene, a one-atom-thick layer of carbon that resembles a flat sheet of chicken wire at nanoscale, has the potential to revolutionize electronics because it conducts electricity much better than the gold and copper wires used in current devices. Transistors made of silicon are approaching the minimum size at which they can be effective, meaning the speed of devices will soon bottom out. Carbon materials at nanoscale could be the remedy.

Currently, applications for graphene are limited because it's too expensive to mass produce. Another problem is that, until now, graphene-related materials existed only as conductors or insulators.

"A major drive in the graphene research community is to make the material semiconducting so it can be used in electronic applications," says Junhong Chen, professor of mechanical engineering and a coauthor of a paper in the journal ACS Nano. "Our major contribution in this study was achieved through a chemical modification of graphene."

GMO exhibits characteristics that will make it easier to scale up than graphene. And, like silicon in the current generation of electronics, GMO is semiconducting, necessary for controlling the electrical current in such a strong conductor as graphene. Now all three characteristics of electrical conductivity ? conducting, insulating and semiconducting ? are found in the carbon family, offering needed compatibility for use in future electronics.

Mixing theory and experiment

The team created GMO while conducting research into the behavior of a hybrid nanomaterial engineered by Chen that consists of carbon nanotubes (essentially, graphene rolled into a cylinder) decorated with tin oxide nanoparticles. Chen uses his hybrid material to make high-performance, energy-efficient and inexpensive sensors.

To image the hybrid material as it was sensing, he and physics professor Marija Gajdardziska used a high-resolution transmission electron microscope (HRTEM). But to explain what was happening, the pair needed to know which molecules were attaching to the nanotube surface, which were attaching to the tin oxide surface, and how they changed upon attachment.

So the pair turned to physics professor Carol Hirschmugl, who recently pioneered a method of infrared imaging (IR) that not only offers high-definition images of samples, but also renders a chemical "signature" that identifies which atoms are interacting as sensing occurs.

Chen and Gajdardziska knew they would need to look at more attachment sites than are available on the surface of a carbon nanotube. So they "unrolled" the nanotube into a sheet of graphene to achieve a larger area.

That prompted them to search for ways to make graphene from its cousin, graphene oxide (GO), an insulator that can be scaled up inexpensively. GO consists of layers of graphene stacked on top of one another in an unaligned orientation. It is the subject of much research as scientists look for cheaper ways to replicate graphene's superior properties.

Puzzling outcome

In one experiment, they heated the GO in a vacuum to reduce oxygen. Instead of being destroyed, however, the carbon and oxygen atoms in the layers of GO became aligned, transforming themselves into the "ordered," semiconducting GMO ? a carbon oxide that does not exist in nature.

It was not the result they expected.

"We thought the oxygen would go away and leave multilayered graphene, so the observation of something other than that was a surprise," says Eric Mattson, a doctoral student of Hirschmugl's who is the first author of the paper.

At different high temperatures, the team actually produced four new materials that they collectively refer to as GMO. They captured video of the process using Selected Area Electron Diffraction (SAED) in a transmission electron microscope.

Because GMO is formed in single sheets, Gajdardziska says the material could have applications in products that involve surface catalysis. She, Hirschmugl and Chen also are exploring its use in the anode parts of lithium-ion batteries, which could make them more efficient.

Laborious process

But the next step is more science. The team will need to find out what triggered the reorganization of the material, and also what conditions would ruin the GMO's formation.

"In the reduction process, you expect to lose oxygen," says Michael Weinert, professor of physics and director of UWM's Laboratory for Surface Studies. "But we actually gained more oxygen content. So we're at a point where we're still learning more about it."

Weinert points out that they have only made GMO at a small scale in a lab and are not certain what they will encounter in scaling it up.

The team had to be careful in calculating how electrons flowed across GMO, he adds. Interactions that occur had to be interpreted through a painstaking process of tracking indicators of structure and then eliminating those that didn't fit.

"It was a long process," says Weinert, "not one of those 'Eureka!' moments."

###

The paper appeared in ACS Nano (5[12], 9710-9717, 2011).

University of Wisconsin - Milwaukee: http://www.uwm.edu

Thanks to University of Wisconsin - Milwaukee for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Stocks rebound after Tuesday's big slide

The Dow jumped 89 points to close at 12805, a stark turnaround from yesterday's free-fall.

Investors on Wednesday all but forgot the previous day's burdens and sent stocks soaring. It was a stark turnaround from the day before, when they'd pushed the market into a free-fall on worries about European debt and corporate earnings in the U.S.

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Those fears about problems festering on both sides of the Atlantic were calmed thanks to a surprising profit from Alcoa and news that borrowing costs in Spain had edged down, a potential sign that investors have more faith ? for now, anyway ? in that country's financial health.

The result was a U-turn on Wall Street. The Dow Jones industrial average climbed as much as 129 points in early trading before settling at 12,805.39, up 89.46 points. The previous day, it had lost 214 points, the cap to its biggest and longest losing streak this year.

European markets rose, too. Stocks climbed roughly 1 percent in major capitals, excluding Greece, after losing 2 to 3 percent the day before. Treasury prices fell, signaling that investors are more willing to put money in stocks.

Other U.S. indexes also erased much of the previous day's losses. The Standard & Poor's 500 rose 10.12 points to 1,368.71 after losing 24 points the day before. The Nasdaq composite climbed 25.24 points to 3,016.46 following a 56-point loss Tuesday.

Alcoa rose more than 6 percent after reporting late Tuesday that it turned a profit in the first three months of the year and handily beat the expectations of Wall Street analysts, who were predicting a loss. Since Alcoa is the first company in the Dow average to report earnings, its results have a greater ability to move the market compared with companies that report later. More first-quarter results will be released over the next few weeks.

Market watchers were divided over how long the gains would last and whether Alcoa's profits actually mean anything for the rest of the earnings season.

"I'm not predicting we're going to have a blowout earnings quarter," said David Armstrong, managing director of Monument Wealth Management in Alexandria, Virginia. "But I think if people thought earnings season was going to be bad, they may be pleasantly surprised."

"One earnings report?" countered Uri Landesman, president of the New York hedge fund Platinum Partners. The boost "will last until the first bad number."

Among stocks making big moves:

?Titan Machinery, which sells agricultural and construction equipment, jumped nearly 17 percent after reporting a big increase in quarterly profit.

?Cell phone maker Nokia plummeted nearly 16 percent after warning that heavy competition will hurt first-quarter results.

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Paul McCartney Features Johnny Depp and Natalie Portman in New Video


Paul McCartney has unveiled the official music video for his latest single, "My Valentine," and it features a pair of very famous faces.

Directed by the iconic musician himself, and filmed in black and white, the video stars Johnny Depp and Natalie Portman, who both use sign language in conjunction with McCartney’s lyrics.

It debuted Friday night at Stella McCartney’s boutique, where stars such as Gwen Stefani, Reese Witherspoon, Kristen Stewart, Gwyneth Paltrow and Zooey Deschanel were all in attendance. Take a look at the interesting video now:


Paul McCartney - "My Valentine" (Official Music Video)

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Happy Memories Become Less Special If You Talk About Them [Psychology]

When we have a positive experience—a great meal, say, or a wonderfully romantic encounter—it's natural to want to talk about it. But a new study suggests that word-of-mouth stories blunt our feelings about experiences. In other words, telling people about your best kiss or favorite restaurant will make it feel less special. More »


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Your IQ Depends on a Single Gene [Science]

If you thank your parents for your intelligence or blame them for your stupidity, you might be right—but not because of the way they raised you. In fact, a new study provides the most compelling evidence yet that intelligence is affected by a single gene. More »


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Mila Kunis and Ashton Kutcher Dating?

Are Mila Kunis and Ashton Kutcher dating? Since his split from Demi, Ashton has been linked to everyone and their mama, so this doesn?t come as a big surprise. The things is, these two worked together for years, and never dated ? so why now? It seems to me like this is more of a fried date than anything. But this is the New York post reporting so it has to have some face value, right? The two were spotted on a date to sushi restaurant Asanebo in Los Angeles and after they headed back to Kutcher’s new mansion in Hollywood Hills. “Ashton was touching Mila’s hand and Mila was all dressed up,” a source tells the site. “She looked hot; this was definitely more than a dinner between friends — this was a full-on date!” They are both coming out of very long term relationships, with Mila splitting from Macaulay Culkin and Ashton from Demi, so the timing would be right. And they did have chemistry on the show. I just cant picture them in real life, you know? If they are dating they are likely just trying things out and are in the beginning stages. Mila has always [...]

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