Wednesday, January 25, 2012

Samsung Replenish (Boost Mobile)


Green TechThe Samsung Replenish ($99.99) is the first eco-friendly smartphone?for Boost Mobile. It wasn't a favorite of ours over on Sprint?(Free, 2.5 stars), but Boost has a slimmer smartphone selection so it's a little more appealing when measured against the rest of its lineup. We'll give it a slightly better rating here. But the Replenish is still sluggish, thanks to some seriously low-end specs, and suffers from a dim, fuzzy display. It'll work if you're seeking an eco-friendly, keyboarded smartphone on Boost, but there are better options available.

Design, Keyboard, Call Quality, and Pricing
The Replenish looks like an Android-BlackBerry hybrid. It measures 4.8 by 2.4 by 0.5 inches (HWD) and weighs 4.2 ounces. It's made entirely of shiny plastic, and is mostly black with some silver accents. It feels well-built and classy. Unfortunately, that feeling doesn't translate to the 2.8-inch, 240-by-320-pixel QVGA display. It's tiny and dim, and text looks fuzzy. There are function keys that separate the display from the keyboard; they're on the thin side, but I didn't have any trouble pressing them.

Most users are attracted to a phone like this for the keyboard. The Replenish features a four-row QWERTY keyboard with well-sized plastic keys just below the display. The keys are a bit tightly spaced, but I grew used to them quickly and was able to type long messages without a problem. Anyone used to a BlackBerry or other keyboarded slab will feel right at home.

The Replenish is a dual-band EV-DO Rev 0 (800/1900 MHz) device with 802.11b/g Wi-Fi. That means it won't be quite as fast as the Samsung Transform Ultra?($229.99, 4 stars), which supports EVDO Rev A. But the Replenish is a better voice phone. Reception is fine, and calls sound loud and clear in the phone's earpiece, if a touch thin. Calls made with the phone also sound clear and feature good background noise cancellation. Calls sounded fine through a Jawbone Era?Bluetooth headset ($129, 4.5 stars) and voice dialing worked well over Bluetooth without training. The speakerphone sounds clear and is loud enough to use outdoors. Battery life was disappointing at just 4 hours, 7 minutes of talk time.

Last October, Boost began charging an additional $5 monthly for its unlimited data and messaging services on Android-powered devices like the Replenish. That means that plans now start at $55, which are reduced by $5 every 6 months you pay your bill on time, down to $40. These are pretty incredible prices compared to the rates on the major carriers, which can easily cost $100 and up.

Green Features, OS, and Apps
The Replenish easily makes the cut for our GreenTech Approved award. It's made from 82 percent recyclable materials, with outer casing made from 34 percent recycled plastics. It's also been approved by the Sustainable Forestry Initiative for using at least 30 percent content from sustainable forests. Additionally, Boost encourages users to trade in their old device as part of the carrier's new buyback program.

The Replenish runs Android 2.3.6 "Gingerbread," and Samsung has done very little to modify it. You won?t find any TouchWiz UI extensions here, and there's very little in the way of bloatware or preinstalled apps, aside from Mobile ID. Mobile ID allows you to install "ID packs" on your phone that include applications, ringtones, wallpapers, and widgets. It isn't for diehard Android purists, but some users may like it.

Source: http://feedproxy.google.com/~r/ziffdavis/pcmag/~3/OSi0oo2pDzw/0,2817,2399191,00.asp

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Boeing 4Q profit up as plane deliveries take off (AP)

MINNEAPOLIS ? Quicker deliveries of Boeing's commercial airplanes helped it report a 20-percent jump in fourth-quarter profits, and offset sluggish growth in its defense business.

The company also offered a weaker earnings outlook than analysts expected for 2012, and its shares fell in premarket trading.

Boeing posted net income of $1.39 billion Wednesday, or $1.84 per share. Analysts surveyed by FactSet expected $1 per share. Revenue was $19.56 billion, also better than expected.

Boeing delivered 128 commercial planes during the quarter, up from 116 a year ago. Profits from commercial planes jumped 56 percent. Revenue rose 31 percent.

Profits from defense rose 6 percent. Revenue rose 4 percent. Military spending in the U.S. and Europe is slowing, and Boeing says defense revenue will fall roughly 5 percent in 2012.

Boeing predicted a 2012 profit of $4.05 to $4.25 per share. Analysts had been expecting a profit of $4.90 per share. Not counting 83 cents per share in higher-than-expected pension expense and other one-time items, Boeing expects an adjusted profit of $5.06 to $5.26 per share.

The company forecast revenue of $78 billion to $80 billion. Analysts were expecting $78.45 billion.

Boeing, based in Chicago, says it plans to deliver 585 to 600 commercial planes this year, up from 477 last year. It delivered three of its new 787s last year, and nine of its new 747-8 superjumbo jets. Boeing says revenue from commercial planes will grow at least 31 percent this year.

Shares fell $1.15 in premarket trading to $74.21.

Source: http://us.rd.yahoo.com/dailynews/rss/business/*http%3A//news.yahoo.com/s/ap/20120125/ap_on_bi_ge/us_earns_boeing

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Michael Hais and Morley Winograd: Crowdsourcing the Congress: Wikipedia's Blackout Bomb

The debate over legislation to stop online piracy revealed not only the threat that a new generation of consumers presents to the entertainment industry's traditional business model, but the equally shaky future of the way Congress currently conducts its business. The high tech, Internet-based companies that Hollywood most fears used their clout with America's most coveted customers, young Millennials, to stop a rush to pass the Stop Online Piracy Act (SOPA) in the House and its Senate twin, Protect Intellectual Property Act (PIPA).

The success of the Wikipedia-led Internet blackout demonstrated the way Congress goes about its business is as susceptible as the entertainment industry's business model is to disruption from the energy and attitudes of a new, digitally native generation, Millennials (born 1982-2003). The film and television industry's foundation, built on the notion that content will triumph ?ber alles, was shown to be just as prone to destruction by the Napster virus as its cousin in the recording industry was a decade ago. It turns out that consumers like companies that distribute content, such as Google, Facebook, and Amazon, more than they like the companies who produce and package the content and insist on being paid for it.

But the fact that many in Congress suddenly abandoned their support of SOPA or PIPA in the face of this consumer revolt also sent a clear warning to those pushing the bills, using traditional methods of high-priced lobbying and closed-door decision making, that their way of doing business is equally in jeopardy. Wikipedia's blackout Facebook page was liked or shared around 1.2 million times on the Wednesday that the site was unavailable to potential visitors. A petition organized by Google in opposition gained over seven million signatures. When Senator Marco Rubio (R-FL) announced on Facebook that he was withdrawing his support for PIPA, his action generated 4,700 likes. Between midnight and 4 p.m. on the day of the "blackout bomb", Twitter recorded over 2.4 million tweets on the subject. The Internet community's insistence on a more open decision making process forced the Congress to ultimately abandon its confrontational, large-contributor approach to the problem. If Congress actually learns a larger lesson from this experience and adopts a process that incorporates the Millennial Generation's desire for win-win solutions derived from bottom up participation designed to forge a consensus, it might finally reverse the continuing decline in popularity with their customers -- the American electorate.

Today, all national surveys show approval of Congress at historically low levels. Since the Republic was conceived, communication technologies have evolved to reduce the time and distance that separate Congress from the public, but most of Congress's procedures and practices have remained trapped in a time warp of its own traditions. Creating a new connection between citizens and their representatives by using Millennials' favorite technologies to build a more transparent, open and participatory legislative process is the essential first step in reversing this decline in Congress's credibility
This alternative approach to the legislative process was actually utilized by Democrat Senator Ron Wyden (Oregon) and Republican U.S. Representative Darrell Issa (California) in drafting their alternative to SOPA/PIPA. The two lawmakers published a draft of their approach last year on the web at www.KeepTheWebOpen.com and asked for comments from interested parties. Based on the suggestions of those who visited the site, they proposed a bi-partisan alternative -- the Online Protection and Enforcement of Digital Trade Act, or OPEN Act -- that uses a scalpel instead of a sledgehammer to address the problem. It empowers the U.S. International Trade Commission to cut off the money supply of the several dozen foreign piracy sites that do most of the damage to content creators.

Although Internet companies and online activists liked both the process and the outcome, organizations such as the Motion Picture Association of America (MPAA) continued to insist that the danger presented by those sites to their business model is so great that they can't wait for the niceties of legalities and due process that the Wyden/Issa solution would involve. The fact that the entertainment industry's solution is perceived to be so threatening to the freedom of users of the Internet that it united libertarians on both the left and right in opposition to SOPA/PIPA has not dissuaded those wedded to the old ways of doing business in Congress that they need to change their tactics. Their stubbornness is reminiscent of the attempt by the Recording Industry Association of America (RIAA) to halt the proliferation of peer-to-peer music sharing sites by suing its teenage customers, before RIAA finally gave up and acquiesced in a new business model for the industry built around Apple's iPod.

It's time for Congressional leaders to use the learning experience of the SOPA/PIPA debate to throw off their generational blinders and find a way to concede power gracefully to a new generation with new ideas. To restore its credibility, Congress will have to use new tools to fully involve Millennials and older generations in the decision-making process. It should make a new bargain with the American people, built on an increased level of citizen participation in the process of governing, rather than upon the current trade of access and constituency service in return for campaign contributions.

Only when Congress embraces this new way of doing business will the legitimacy of the country's legislative process begin to be restored and Congress's approval ratings start to rise again. Until then the electoral fate of Senators and U.S. Representatives will be as uncertain and as subject to disruption as the future of the entertainment moguls they sought to please by backing SOPA/PIPA.

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Follow Michael Hais and Morley Winograd on Twitter: www.twitter.com/mikeandmorley

Source: http://www.huffingtonpost.com/michael-hais-and-morley-winograd/sopa-blackout_b_1222318.html

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FACT CHECK: Obama pushes plans that flopped before (AP)

WASHINGTON ? It was a wish list, not a to-do list.

President Barack Obama laid out an array of plans in his State of the Union speech as if his hands weren't so tied by political realities. There can be little more than wishful thinking behind his call to end oil industry subsidies ? something he could not get through a Democratic Congress, much less today's divided Congress, much less in this election year.

And there was more recycling, in an even more forbidding climate than when the ideas were new: He pushed for an immigration overhaul that he couldn't get past Democrats, permanent college tuition tax credits that he asked for a year ago, and familiar discouragements for companies that move overseas.

A look at Obama's rhetoric Tuesday night and how it fits with the facts and political circumstances:

___

OBAMA: "We have subsidized oil companies for a century. That's long enough. It's time to end the taxpayer giveaways to an industry that's rarely been more profitable, and double-down on a clean energy industry that's never been more promising."

THE FACTS: This is at least Obama's third run at stripping subsidies from the oil industry. Back when fellow Democrats formed the House and Senate majorities, he sought $36.5 billion in tax increases on oil and gas companies over the next decade, but Congress largely ignored the request. He called again to end such tax breaks in last year's State of the Union speech. And he's now doing it again, despite facing a wall of opposition from Republicans who want to spur domestic oil and gas production and oppose tax increases generally.

___

OBAMA: "Our health care law relies on a reformed private market, not a government program."

THE FACTS: That's only half true. About half of the more than 30 million uninsured Americans expected to gain coverage through the health care law will be enrolled in a government program. Medicaid, the federal-state program for low-income people, will be expanded starting in 2014 to cover childless adults living near the poverty line.

The other half will be enrolled in private health plans through new state-based insurance markets. But many of them will be receiving federal subsidies to make their premiums more affordable. And that's a government program, too.

Starting in 2014 most Americans will be required to carry health coverage, either through an employer, by buying their own plan, or through a government program.

___

OBAMA, asking Congress to pay for construction projects: "Take the money we're no longer spending at war, use half of it to pay down our debt, and use the rest to do some nation-building right here at home."

THE FACTS: The idea of taking war "savings" to pay for other programs is budgetary sleight of hand. For one thing, the wars in Iraq and Afghanistan have been largely financed through borrowing, so stopping the wars doesn't create a pool of ready cash, just less debt. And the savings appear to be based at least in part on inflated war spending estimates for future years.

___

OBAMA: "Through the power of our diplomacy a world that was once divided about how to deal with Iran's nuclear program now stands as one."

THE FACTS: The world is still divided over how to deal with Iran's disputed nuclear program, and even over whether the nuclear program is a problem at all.

It is true that the U.S., Europe and other nations have agreed to apply the strictest economic sanctions yet on Iran later this year. But the global sanctions net has holes, because some of Iran's large oil trading partners won't go along. China, a major purchaser of Iran's crude, isn't part of the new sanctions and, together with Russia, stopped the United Nations from applying similarly tough penalties.

___

OBAMA: "Tonight, I want to speak about how we move forward, and lay out a blueprint for an economy that's built to last - an economy built on American manufacturing, American energy, skills for American workers, and a renewal of American values."

THE FACTS: Economists do see manufacturing growth as a necessary component of any U.S. recovery. U.S. manufacturing output climbed 0.9 percent in December, the biggest gain since December 2010. Yet Obama's apparent vision of a nation once again propelled by manufacturing ? a vision shared by many Republicans ? may already have slipped into the past.

Over generations, the economy has become ever more driven by services; not since 1975 has the U.S. had a surplus in merchandise trade, which covers trade in goods, including manufactured and farm goods. About 90 percent of American workers are employed in the service sector, a profound shift in the nature of the workforce over many decades.

The overall trade deficit through the first 11 months of 2011 ran at an annual rate of nearly $600 billion, up almost 12 percent from the year before.

___

OBAMA: "The Taliban's momentum has been broken, and some troops in Afghanistan have begun to come home."

THE FACTS: Obama is more sanguine about progress in Afghanistan than his own intelligence apparatus. The latest National Intelligence Estimate on Afghanistan warns that the Taliban will grow stronger, using fledgling talks with the U.S. to gain credibility and stall until U.S. troops leave, while continuing to fight for more territory. The classified assessment, described to The Associated Press by officials who have seen it, says the Afghan government hasn't been able to establish credibility with its people, and predicts the Taliban and warlords will largely control the countryside.

___

OBAMA: "On the day I took office, our auto industry was on the verge of collapse. Some even said we should let it die. With a million jobs at stake, I refused to let that happen. In exchange for help, we demanded responsibility. We got workers and automakers to settle their differences. We got the industry to retool and restructure. Today, General Motors is back on top as the world's number one automaker. Chrysler has grown faster in the U.S. than any major car company. Ford is investing billions in U.S. plants and factories."

THE FACTS: He left out some key details. The bailout of General Motors and Chrysler began under Republican President George W. Bush. Obama picked up the ball, earmarked more money, and finished the job. But Ford never asked for a federal bailout and never got one.

___

OBAMA: "We can also spur energy innovation with new incentives. The differences in this chamber may be too deep right now to pass a comprehensive plan to fight climate change. But there's no reason why Congress shouldn't at least set a clean energy standard that creates a market for innovation."

THE FACTS: With this statement, Obama was renewing a call he made last year to require 80 percent of the nation's electricity to come from clean energy sources by 2035, including nuclear, natural gas and so-called clean coal. He did not put that percentage in his speech but White House background papers show that it remains his goal.

But this Congress has yet to introduce a bill to make that goal a reality, and while legislation may be introduced this year, it is unlikely to become law with a Republican-controlled House that loathes mandates.

___

OBAMA: "Right now, because of loopholes and shelters in the tax code, a quarter of all millionaires pay lower tax rates than millions of middle-class households."

THE FACTS: It's true that a minority of millionaires pay a lower tax rate than some lower-income people. On average, though, wealthy people pay taxes at a much higher rate than middle-income taxpayers.

Obama's claim comes from a Congressional Research Service report that compared federal taxes paid by people making less than $100,000 with those paid by people making more than $1 million. About 10 percent of families with incomes under $100,000 paid more than 26.5 percent in federal income, payroll and corporate taxes. And about a quarter of millionaire taxpayers paid a rate lower than that.

___

OBAMA: "We can't bring back every job that's left our shores.... Tonight, my message to business leaders is simple: Ask yourselves what you can do to bring jobs back to your country, and your country will do everything we can to help you succeed."

FACT CHECK: Many of the jobs U.S. companies have created overseas won't return because they were never in the United States in the first place.

As Obama said in his speech, U.S. workers have become more productive and labor costs have fallen.

But there are powerful forces pushing the other way: Many of the overseas jobs in U.S. companies weren't transferred from the U.S. They were created in fast-growing markets in Latin America, Asia and elsewhere to serve customers in those markets. Companies in the Standard & Poor's 500 index now earn more than half of their revenue from overseas.

That has fueled more job creation abroad. U.S. multinationals cut more than 800,000 jobs in the United States from 2000 to 2009, according the Commerce Department. They added 2.9 million overseas in the same period.

___

OBAMA: "Anyone who tells you that America is in decline or that our influence has waned doesn't know what they're talking about ... That's not how people feel from Tokyo to Berlin; from Cape Town to Rio; where opinions of America are higher than they've been in years."

THE FACTS: Obama left out Arab and Muslim nations, where popular opinion of the U.S. appears to have gone downhill or remained unchanged after the spring 2011 reformist uprisings in the Middle East. A Pew Research Center survey in May found that in predominantly Muslim countries such as Turkey, Jordan and Pakistan, views of the U.S. were worse than a year earlier. In Pakistan, a major recipient of U.S. foreign aid that went unmentioned in Obama's speech, just 11 percent of respondents said they held a positive view of the United States.

___

Associated Press writers Tom Raum, Anne Gearan, Ricardo Alonso-Zaldivar, Martin Crutsinger, Jim Drinkard, Dina Cappiello, Erica Werner, Andrew Taylor, Christopher S. Rugaber and Stephen Ohlemacher contributed to this report.

Source: http://us.rd.yahoo.com/dailynews/rss/obama/*http%3A//news.yahoo.com/s/ap/20120125/ap_on_go_pr_wh/us_state_of_union_fact_check

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Tuesday, January 24, 2012

Vaccines to boost immunity where it counts, not just near shot site

ScienceDaily (Jan. 22, 2012) ? Researchers at Duke University Medical Center have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses, said lead author Ashley St. John, PhD, a researcher at Duke-NUS Graduate Medical School.

The paper was published online in the journal Nature Materials on Jan. 22.

Currently all other adjuvants (substances added to vaccines to help to boost the immune response) are thought to enhance immunity at the skin site where the vaccine is injected rather than going to the lymph nodes, where the most effective immune reactions occur.

The current study used mice to show it is possible to shift the delivery path directly to the lymph nodes.

The researchers based their strategy on their observation that mast cells, which are cells that are found in the skin that fight infections, also communicate directly to the lymph nodes by releasing nanoparticles called granules.

"Our strategy is unique because we have based our bioengineered particles on those naturally produced by mast cells, which effectively solve the same problem we are trying to solve of combating infection," said St. John, who is in the Duke-NUS Program in Emerging Infectious Diseases.

The synthetic granules consist of a carbohydrate backbone that holds tiny, encapsulated inflammatory mediators such as tumor necrosis factor (TNF). These particles, when injected, mimic the attributes of the granules found in natural cells, and the synthetic particles also target the draining lymph nodes and provide for the timed release of the encapsulated material.

Traditional vaccine adjuvants may help antigens (the small part of a pathogen that is injected during vaccination that the body reacts to) to persist so the body can have an immune reaction and build antibodies so that when a real pathogen, such as the flu virus arrives, it will be conquered. Alternatively, adjuvants may activate cells called dendritic cells, which pick up pathogen parts and must travel from the skin to lymph nodes where immune reactions are initiated.

The Duke team, however, has created a vaccine adjuvant of nanoparticles that are capable of traveling from the point of injection to the lymph nodes where they act on many cell types of the immune system to spur the right reaction for a greatly increased immune response.

The researchers found that they could use this adjuvant in vaccinations of mice with the influenza A virus.

In levels of flu virus exposure that would be lethal in typical mice, the vaccinated mice were able to fight off the disease and had an increased survival rate, thanks to the effective immune response the particles stimulated.

The researchers also showed they could load the same type of particles with a different immune factor, IL-12, that directed a response toward a different set of lymphocytes. This is an important finding since certain types of infections require specialized responses to be overpowered by the body.

St. John said the flexibility of the synthetic particles and their ability to target certain lymph nodes represented a new avenue of personalized medical treatment -- personalized vaccines.

Senior author Soman Abraham, PhD, professor of pathology, immunology and molecular genetics and microbiology at Duke in Durham, NC, and emerging infectious diseases at Duke-NUS, is cautiously optimistic that the mast-cell-inspired synthetic particles could make their way into human use soon.

"It should not be long because all the individual cytokines (immune system factors) and additional materials loaded into these particles are already FDA approved for use in humans," Abraham said. "There is a lot of interest in nanoparticle-based therapy, but we are basing our materials on our observation of mast cells in nature. This is an informed application to deliver the right material to the right place in the body to get the most effective immune reaction."

Other authors include Herman Staats and Cheryl Chan of Duke Pathology who contributed to the vaccination studies, and Kam Leong, who contributed to the design of the synthetic particles, of the Pratt School of Engineering at Duke.

Funding came from the National Institutes of Health.

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The above story is reprinted from materials provided by Duke University Medical Center.

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


Journal Reference:

  1. Ashley L. St. John, Cheryl Y. Chan, Herman F. Staats, Kam W. Leong, Soman N. Abraham. Synthetic mast-cell granules as adjuvants to promote and polarize immunity in lymph nodes. Nature Materials, 2012; DOI: 10.1038/nmat3222

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

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/WH1Fs2WPtlM/120122152536.htm

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Latest DIY Destroyer Proves That the Slingshot Master Is Officially a Wizard [Video]

As you stretch a rubber band, it heats up. But as it cools down it actually loses some of the energy it stored when it was stretched. That means the longer a slingshot is left loaded, the less powerful it becomes. Unless you're Joerg Sprave, the internet's resident master of slingshot design, who discovered that simply reheating a stretched elastic band can restore up to 40 percent of its original powuh. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/G6rMHCFcJxE/latest-diy-destroyer-proves-that-the-slingshot-master-is-officially-a-wizard

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Monday, January 23, 2012

Physicists use ion beams to detect art forgery

Saturday, January 21, 2012

University of Notre Dame nuclear physicists Philippe Collon and Michael Wiescher are using accelerated ion beams to pinpoint the age and origin of material used in pottery, painting, metalwork and other art. The results of their tests can serve as powerful forensic tools to reveal counterfeit art work, without the destruction of any sample as required in some chemical analysis.

Their research is featured on the front cover of the current issue of Physics Today in an article titled, "Accelerated ion beams for art forensics." Wiescher and Collon say, "Art experts play an important role in identifying the style, history and context of a painting, but a solid scientific basis for the proper identification and classification of a piece of art must rely on information from other sources.

"A host of approaches with origins in biology, chemistry and physics have allowed scientists and art historians not only to look below a painting's or artifact's surface, but also to analyze in detail the pigments used, investigate painting techniques and modifications done by the artist or art restorers, find trace materials that reveal ages and provenances, and more," Wiescher and Collon continue.

The information that is revealed can shed light on trading patterns, economic conditions and other details of history. For example, the amount of silver in Roman coins can indicate the degree of inflation in the ancient economy.

Laboratories in Europe, including several in Italy and one in the basement of the Louvre in Paris, have accelerators dedicated to the forensic analysis of art, and archaeological artifacts. These accelerator-based techniques have allowed not only to analyze the works themselves, but also to determine origin, trade and migration routes as well as dietary information. As an example, the analysis of the ruby eyes in a Babylonian statue of the goddess Ishtar using the Louvre's accelerator showed that the rubies came from a mine in Vietnam, demonstrating that trade occurred between those far-apart regions some 4,000 years ago.

At Notre Dame, researchers are using proton-induced x-ray emission (PIXE) and Accelerator Mass Spectroscopy (AMS) to study artifacts brought by local archeologists, Native American cultures in the American Southwest and the Snite Museum of Art extensive collection of Mezzo-American figurines.

Wiescher, the Frank M. Freimann Professor of Physics, and Collon, associate professor of physics, are using their findings to teach undergraduates. Wiescher initially developed the undergraduate physics class called Physical Methods in Art and Archaeology, and now Collon teaches the class which attracts students from nearly every major. The course covers topics such as X-ray fluorescence and X-ray absorption, proton-induced X-ray emission, neutron-induced activation analysis, radiocarbon dating, accelerator mass spectroscopy, luminescence dating, and methods of archeometry.

###

University of Notre Dame: http://www.nd.edu

Thanks to University of Notre Dame for this article.

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Source: http://www.labspaces.net/116915/Physicists_use_ion_beams_to_detect_art_forgery

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