Kanye's 'Yeezus': Album Name And June 18 Release Date Confirmed

Fresh off debuting a new music video via 66 guerrilla style projections shown on buildings all around the world, Kanye West has some more news to share with the music-listening community. West's sixth studio album will be released June 18 (as previously hinted in West's tweet) and be titled "Yeezus."

Rap-Up confirmed the news on Saturday. West is due to perform two songs on "Saturday Night Live," and sources tell The Huffington Post that he'll debut a previously unheard song as part of the show.

This isn't the first time "Yeezus" has been tossed around. Kid Cudi (formerly signed to Kanye's G.O.O.D. Music label) coined the term well over a year ago (a tip of the hat to Complex for the find). West also famously posed for a Rolling Stone cover wearing a crown of thorns.

Scott Mescudi I know my big brother Yeezus and the whole fam r shuttin down Paris right now. #RAGE4CUD

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Source: http://www.huffingtonpost.com/2013/05/18/kanye-yeezus-album-name-june-18_n_3300017.html

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Hofstra student killed by police during break-in

MINEOLA, N.Y. (AP) ? In what police are describing as a crime of opportunity, a wanted man with a criminal history dating nearly 15 years entered a front door that had been left open at a New York home near Hofstra University.

A short time later, the intruder, Dalton Smith, and a 21-year-old college junior, Andrea Rebello, were both dead. The two were killed early Friday by a Nassau County police officer who fired eight shots at the masked man, hitting him seven times but also accidentally hitting Rebello once in the head, Nassau County homicide squad Lt. John Azzata said Saturday.

Smith was holding Rebello in a headlock and pointing a gun at her head before he turned his gun at the officer, Azzata said, prompting the shooting.

"He kept saying, 'I'm going to kill her,' and then he pointed the gun at the police officer," Azzata said.

A loaded 9 mm handgun with a serial number scratched off was found at the scene, police said.

Nassau County Police Commissioner Thomas Dale said he had traveled to Rebello's Tarrytown, N.Y., home to explain to Rebello's parents what happened.

"I felt obligated as a police commissioner and as a parent to inform them as soon as all the forensic results were completed," Dale said.

The veteran police officer, who was not identified, has about 12 years of experience on the Nassau County police force and previously spent several years as a New York City police officer, Dale said.

The officer is currently out on sick leave. He will be the focus of an internal police investigation once the criminal investigation is completed, which is standard police procedure in any officer-involved shooting, the commissioner said.

The shooting came just days before the school's commencement ceremonies, which are scheduled for Sunday.

A university spokeswoman said students will be handed white ribbons to wear in memory of Rebello. The shooting, which took place just steps from campus, has cast a pall over the university community as it geared up for commencement.

Earlier Saturday, police announced that Smith, 30, had been wanted on a parole violation related to a first-degree robbery conviction. A warrant was issued for Smith on April 25 for absconding from parole, police said.

Smith had what police described as "an extensive criminal history," which included arrests for robbery in the first degree in 1999, promoting prison contraband in the second degree in 2000, robbery in the first degree in 2003, assault in the second degree in 2003 and robbery in the second degree in 2003.

Rebello was in the two-story home in Uniondale, N.Y., with her twin sister Jessica, a third woman and a man when Smith, wearing a ski mask, walked into the house through an open front door, Azzata said.

The door was left open after someone had moved a car that was blocking a driveway, Azzata said.

When Smith entered, he demanded valuables and was told they were upstairs, Azzata said.

Smith, apparently unsatisfied with the valuables upstairs, asked if any of the four had a bank account and could withdraw money, Azzata said. The intruder then allowed the unidentified woman to leave and collect money from an ATM, telling her she had only eight minutes to come back with cash before he killed one of her friends, Azzata said.

The woman left for the bank and called 911, according to Azzata.

Minutes later, two police officers arrived at the home and found Rebello's twin sister Jessica running out of the front door and the male guest hiding behind a couch on the first floor, Azzata said.

One of the officers entered the home and encountered Smith holding onto Rebello in a headlock, coming down the stairs, Azzata said. Smith pulled Rebello closer and started moving backward toward a rear door of the house, pointing the gun at her head before eventually threatening the officer, Azzata said.

The Rev. Osvaldo Franklin, who gave Rebello and her twin their first communions, on Saturday night told The Associated Press their mother, Nella, couldn't even speak to him earlier in the day.

"She was so devastated," said Franklin. "She's just crying. We have to pray for Andrea, to pray for Jessica because she needs help."

Franklin said a funeral is scheduled for Wednesday at Teresa of Avila Church in Sleepy Hollow, N.Y., and will be in Portuguese.

"The family's a very good family, they have very good values," he said. "They are a very good, very devoted family."

___

Associated Press writer Jake Pearson in New York contributed to this report.

Source: http://news.yahoo.com/hofstra-student-killed-police-during-break-065118864.html

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Artificial forest for solar water-splitting

Friday, May 17, 2013

In the wake of the sobering news that atmospheric carbon dioxide is now at its highest level in at least three million years, an important advance in the race to develop carbon-neutral renewable energy sources has been achieved. Scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have reported the first fully integrated nanosystem for artificial photosynthesis. While "artificial leaf" is the popular term for such a system, the key to this success was an "artificial forest."

"Similar to the chloroplasts in green plants that carry out photosynthesis, our artificial photosynthetic system is composed of two semiconductor light absorbers, an interfacial layer for charge transport, and spatially separated co-catalysts," says Peidong Yang, a chemist with Berkeley Lab's Materials Sciences Division, who led this research. "To facilitate solar water- splitting in our system, we synthesized tree-like nanowire heterostructures, consisting of silicon trunks and titanium oxide branches. Visually, arrays of these nanostructures very much resemble an artificial forest."

Yang, who also holds appointments with the University of California Berkeley's Chemistry Department and Department of Materials Science and Engineering, is the corresponding author of a paper describing this research in the journal NANO Letters. The paper is titled "A Fully Integrated Nanosystem of Semiconductor Nanowires for Direct Solar Water Splitting." Co-authors are Chong Liu, Jinyao Tang, Hao Ming Chen and Bin Liu.

Solar technologies are the ideal solutions for carbon-neutral renewable energy ? there's enough energy in one hour's worth of global sunlight to meet all human needs for a year. Artificial photosynthesis, in which solar energy is directly converted into chemical fuels, is regarded as one of the most promising of solar technologies. A major challenge for artificial photosynthesis is to produce hydrogen cheaply enough to compete with fossil fuels. Meeting this challenge requires an integrated system that can efficiently absorb sunlight and produce charge-carriers to drive separate water reduction and oxidation half-reactions.

"In natural photosynthesis the energy of absorbed sunlight produces energized charge-carriers that execute chemical reactions in separate regions of the chloroplast," Yang says. "We've integrated our nanowire nanoscale heterostructure into a functional system that mimics the integration in chloroplasts and provides a conceptual blueprint for better solar-to-fuel conversion efficiencies in the future."

When sunlight is absorbed by pigment molecules in a chloroplast, an energized electron is generated that moves from molecule to molecule through a transport chain until ultimately it drives the conversion of carbon dioxide into carbohydrate sugars. This electron transport chain is called a "Z-scheme" because the pattern of movement resembles the letter Z on its side. Yang and his colleagues also use a Z-scheme in their system only they deploy two Earth abundant and stable semiconductors ? silicon and titanium oxide - loaded with co-catalysts and with an ohmic contact inserted between them. Silicon was used for the hydrogen-generating photocathode and titanium oxide for the oxygen-generating photoanode. The tree-like architecture was used to maximize the system's performance. Like trees in a real forest, the dense arrays of artificial nanowire trees suppress sunlight reflection and provide more surface area for fuel producing reactions.

"Upon illumination photo-excited electron?hole pairs are generated in silicon and titanium oxide, which absorb different regions of the solar spectrum," Yang says. "The photo-generated electrons in the silicon nanowires migrate to the surface and reduce protons to generate hydrogen while the photo-generated holes in the titanium oxide nanowires oxidize water to evolve oxygen molecules. The majority charge carriers from both semiconductors recombine at the ohmic contact, completing the relay of the Z-scheme, similar to that of natural photosynthesis."

Under simulated sunlight, this integrated nanowire-based artificial photosynthesis system achieved a 0.12-percent solar-to-fuel conversion efficiency. Although comparable to some natural photosynthetic conversion efficiencies, this rate will have to be substantially improved for commercial use. However, the modular design of this system allows for newly discovered individual components to be readily incorporated to improve its performance. For example, Yang notes that the photocurrent output from the system's silicon cathodes and titanium oxide anodes do not match, and that the lower photocurrent output from the anodes is limiting the system's overall performance.

"We have some good ideas to develop stable photoanodes with better performance than titanium oxide," Yang says. "We're confident that we will be able to replace titanium oxide anodes in the near future and push the energy conversion efficiency up into single digit percentages."

###

DOE/Lawrence Berkeley National Laboratory: http://www.lbl.gov

Thanks to DOE/Lawrence Berkeley National Laboratory for this article.

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Source: http://www.labspaces.net/128299/Artificial_forest_for_solar_water_splitting

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'Stories We Tell' focuses on a family's varied versions of their history

'Stories We Tell' is complicated and examines how we tell the story of our own lives.

By Peter Rainer,?Film critic / May 17, 2013

'Stories We Tell' is directed by Sarah Polley.

Ken Woroner/Roadside Attractions/AP

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The Canadian actress and director Sarah Polley set out to make a straightforward documentary about her mother, Diane, who died when she was 11, but by the time ?Stories We Tell? was finished five years later, it had become unclassifiable.

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At the heart of the film is a revelation about Polley?s parentage, specifically her biological father. Although much of this material is available online (not to mention in some advance reviews), I?ll tiptoe around the details in order to allow readers a surprise similar to my own.

This, of course, means making a review of this movie an exercise in obfuscation, but then again, that?s my problem, not Polley?s.

Although Polley is examining her mother?s past ? through the use of interviews with her extended family, four siblings, and mother?s friends, plus old photos and recordings and Super 8-mm movies ? what she is actually doing is attempting to sort out the real from the anecdotal or merely mythic. Her film, as its title implies, is really about the nature of storytelling itself, but not in a dry, academic way.

Polley filmed extensive interviews with each of her siblings and her father, Michael, an English-born actor who met her mother, a sometime actress, in Toronto. Michael actually narrates much of the film, in recording sessions directed by Polley based on his written memoirs.

What Polley doesn?t provide is equally prominent. She does not, for example, offer much back story about Diane?s childhood or upbringing. It?s not even clear if she was a talented actress, although, as the film unravels its mysteries, it?s obvious she had a gift for covertness. We also don?t get from Polley any of her own responses to the family stories as they coalesce. Although we often see her filming the proceedings, in most other ways she keeps herself out of it, and this is unusual for this ?personal? documentary genre.

In some ways, I wish she had inserted more of herself, as opposed to her questing spirit, into this film. By masking her emotional connection to the material with the facade of ?objectivity,? she imparts a clinical, almost voyeuristic uncomfortability to the proceedings. It?s the opposite of narcissism ? or is it? As a filmmaker, Polley proves to be as devious as any detective-story deviser. All these meta-documentary machinations are fascinating, but given the subject matter, I kept wondering whether the film would have been any the worse if it was told in the deeply intimate, clear-ahead manner of a documentarian like Ross McElwee. Experimentation is not always all it?s cracked up to be.

Polley was right to follow her instincts, though, in not attempting to tie everything up. She recognizes that family histories are necessarily contradictory, crazymaking, and essentially unfathomable. And so, for a storyteller, the question here becomes, How do you want to tell the story of your life? Given the fact that we will always get a lot of things wrong, how do you convert that wrongness into a higher kind of truth? ?Stories We Tell? is maddeningly complicated, but honestly so. It honors Polley?s disquiet. Grade: B+ (Rated PG-13 for thematic elements involving sexuality, brief strong language, and smoking.)

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/srHyiuISDgA/Stories-We-Tell-focuses-on-a-family-s-varied-versions-of-their-history

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Google Glass 'prescription edition' makes a cameo at Google I/O

Google I/O is always full of surprises, and we came across yet another elusive bit of hardware on the show floor today: Google Glass "prescription edition". No, it's not actually called that (we made up the name), but what you're looking at is definitely Glass that's been neatly integrated with a pair of prescription glasses -- in fact, it looks a lot like the version of Glass that Google recently mentioned on its blog. We don't really know anything else about this device, but we've reached out to Google for comment. Is this a custom design built by combining Google Glass Explorer Edition with off-the shelf eyewear? Is this a Glass prototype that's designed specifically for people who wear prescription spectacles? Share your thoughts in the comments and don't forget to check out the gallery below.

Update: Google's confirmed it's a prototype the company's experimented with that uses the same software as the Explorer Edition but slightly different hardware on the outside.

Gallery: Google Glass 'prescription edition' at Google I/O

Brad Molen contributed to this report.

Filed under: Wearables, Mobile, Google

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Source: http://www.engadget.com/2013/05/17/google-glass-prescription-edition-makes-a-cameo-at-google-i-o/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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World's smallest liquid droplets ever made in the lab, experiment suggests

May 16, 2013 ? Physicists may have created the smallest drops of liquid ever made in the lab.

That possibility has been raised by the results of a recent experiment conducted by Vanderbilt physicist Julia Velkovska and her colleagues at the Large Hadron Collider, the world's largest and most powerful particle collider located at the European Laboratory for Nuclear and Particle Physics (CERN) in Switzerland. Evidence of the minuscule droplets was extracted from the results of colliding protons with lead ions at velocities approaching the speed of light.

According to the scientists' calculations, these short-lived droplets are the size of three to five protons. To provide a sense of scale, that is about one-100,000th the size of a hydrogen atom or one-100,000,000th the size of a virus.

"With this discovery, we seem to be seeing the very origin of collective behavior," said Velkovska, professor of physics at Vanderbilt who serves as a co-convener of the heavy ion program of the CMS detector, the LHC instrument that made the unexpected discovery. "Regardless of the material that we are using, collisions have to be violent enough to produce about 50 sub-atomic particles before we begin to see collective, flow-like behavior."

These tiny droplets "flow" in a manner similar to the behavior of the quark-gluon plasma, a state of matter that is a mixture of the sub-atomic particles that makes up protons and neutrons and only exists at extreme temperatures and densities. Cosmologists propose that the entire universe once consisted of this strongly interacting elixir for fractions of a second after the Big Bang when conditions were dramatically hotter and denser than they are today. Now that the universe has spent billions of years expanding and cooling, the only way scientists can reproduce this primordial plasma is to bang atomic nuclei together with tremendous energy.

The new observations are contained in a paper submitted by the CMS collaboration to the journal Physical Review D and posted on the arXiv preprint server. In addition, Vanderbilt doctoral student Shengquan Tuo recently presented the new results at a workshop held in the European Centre for Theoretical Studies in Nuclear Physics and Related Areas in Trento, Italy.

Scientists have been trying to recreate the quark-gluon plasma since the early 2000s by colliding gold nuclei using the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory. This exotic state of matter is created when nuclei collide and dump a fraction of their energy into the space between them. When enough energy is released, it causes some of the quarks and gluons in the colliding particles to melt together to form the plasma. The RHIC scientists had expected the plasma to behave like a gas, but were surprised to discover that it acts like a liquid instead.

When the LHC started up, the scientists moved to the more powerful machine where they basically duplicated the results they got at RHIC by colliding lead nuclei.

In what was supposed to be a control run to check the validity of their lead-lead results, the scientists scheduled the collider to smash protons and lead nuclei together. They didn't expect to see any evidence of the plasma. Because the protons are so much lighter than lead nuclei (they have only one-208th the mass), it was generally agreed that proton-lead collisions couldn't release enough energy to produce the rare state of matter.

"The proton-lead collisions are something like shooting a bullet through an apple while lead-lead collisions are more like smashing two apples together: A lot more energy is released in the latter," said Velkovska.

Last September, the LHC did a brief test run to make sure it was adjusted properly to handle proton-lead collisions. When the results of the run were analyzed, team members were surprised to see evidence of collective behavior in five percent of the collisions -- those that were the most violent. In these cases, it appeared that when the "bullet" passed through "apple" it released enough energy to melt some of the particles surrounding the bullet hole. They appeared to be forming liquid droplets about one tenth the size of those produced by the lead-lead or gold-gold collisions.

However, the initial analysis was limited to tracking the motion of pairs of particles. The researchers knew that this analysis could be influenced by another well-known phenomenon, the production of particle jets. So, when the scheduled proton-lead run took place in January and February, they searched the data for evidence of groups of four particles that exhibit collective motion. After analyzing several billion events, they found hundreds of cases where the collisions produced more than 300 particles flowing together.

According to Tuo, only two models were advanced to explain their observations at the workshop. Of the two, the plasma droplet model seems to fit the observations best. In fact, he reported that the new data is forcing the authors of the competing model -- color glass condensate, which attributes the particle correlations to the internal gluon structure of the protons themselves -- to incorporate hydrodynamic effects, meaning that it is also describing the phenomenon as liquid droplets.

U.S. members of the CMS collaboration are supported primarily by the U.S. Department of Energy and National Science Foundation.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/W__Q1GhXYaw/130516200641.htm

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US consumers cut back on credit card use in March

In this Thursday, March 28, 2013, photo, a woman shops at a Nordstrom store in Chicago. The Federal Reserve reports how much consumers borrowed in March on Tuesday, May 7, 2013. (AP Photo/Nam Y. Huh)

In this Thursday, March 28, 2013, photo, a woman shops at a Nordstrom store in Chicago. The Federal Reserve reports how much consumers borrowed in March on Tuesday, May 7, 2013. (AP Photo/Nam Y. Huh)

WASHINGTON (AP) ? Americans cut back on using their credit cards in March, suggesting many were reluctant to take on high-interest debt to make purchases.

Consumer borrowing rose just $8 billion in March from February to a seasonally adjusted $2.81 trillion, the Federal Reserve said Tuesday. It was the smallest increase in eight months.

The gain was driven entirely by more loans to attend school and buy cars. The category that measures those loans increased $9.7 billion to $19.6 trillion.

A measure of credit card debt fell $1.7 billion to $846 billion. That's 17.2 percent below the peak of $1.022 trillion set in July 2008.

Since the recession, consumers have been more cautious about using credit cards. Economists believe consumers will stay cautious this year, in part because of an increase in Social Security taxes that has reduced tax-home pay for most Americans.

Cooper Howes, an economist at Barclays, said consumers have been trying to get better control of their debts since the recession hit and he predicted this trend will continue.

While the Fed does not release a breakdown between auto and student loans, Howes said his analysis of the Fed data indicates that almost 80 percent of the March increase reflected student loans. That would continue a pattern seen in recent years: Americans who lost jobs or recent graduates who can't find work have returned to school and are taking out loans to pay for their education.

According to quarterly data compiled by the Federal Reserve Bank of New York, student loan debt has been the biggest driver of borrowing since the recession ended in June 2009. Student loans reached $966 billion in last year's fourth quarter. That's up from $675 billion in the second quarter of 2009, when the Great Recession was ending.

Consumers increased their spending from January through March at the fastest pace in more than two years. However, they had to trim the pace of their savings to finance the faster spending. Their after-tax income dropped by the largest amount since the final three months of the recession in 2009. Part of the drop in after-tax income reflected the increase in Social Security taxes that took effect on Jan. 1.

A person earning $50,000 a year will have about $1,000 less to spend this year. A household with two highly paid workers will have up to $4,500 less.

Solid hiring could offset some of the drag from the tax increase. The economy added 165,000 jobs in April and hiring in the two previous months was better than previously reported. That helped drive the unemployment rate down to a four-year low of 7.5 percent in April.

The Federal Reserve's borrowing report covers auto loans, student loans and credit cards. It excludes mortgages, home equity loans and other loans tied to real estate.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/f70471f764144b2fab526d39972d37b3/Article_2013-05-07-US--Consumer%20Borrowing/id-0a2cd0b9c3794553b062b36fed4a55da

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