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Home | Apple Stock | Tracked Sites | TechNN | | E-Mail | Sherlock Plugin Close Left Panel | Login | Subscribe to MacSurfer's Headline News Poll | Most Popular | Talking Heads | A Year Ago Today | Checked 8:15 PM; Last Updated 7:45 PM CST; 01:45 GMT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Today's MacUpdate Promo offers 50% off Singlemizer 3.0.0. "Singlemizer is a simple app for finding & managing duplicate files on your Mac. It brings order out of chaos and frees up disk space. Files are compared on the basis of their contents only, not by names or dates or other possibly misleading attributes. This guarantees correct matching." Will 2012 be better for Apple than 2011? Cast your vote in "Today's Poll..." in the left column below or go straight to the results here. Friday Highlights: Jony Ive is now Sir Jonathan Ive!; Apple searching for renewal following Steve Jobs' passing, says Financial Times' Chris Nuttall, expressing concern that the company has lacked innovation over the past 12 months; similar sentiments expressed by Timothy Taylor who asks "can the brand's core attributes be protected without [Jobs]?"; Macworld's Dan Moren is a bit more optimistic expecting 2012 to look "smart, savvy, and, above all, successful"; Android is the hare, iOS the tortoise; Investanomics details how they think Apple's "iTV" will revolutionize the TV industry; in the war of patents, are the "spoils of war" likely to "outweigh the casualties"; Apple reseller in France filing suit against Apple over unfair competition; Kirkville on how to make a personal "dropbox" but using iCloud; while The Next Web reviews Insync, a Dropbox alternative; New York Times Q&A on how to keep your Safari reading list in sync between your iDevices, Macs, and Windows; The Lamp finds a pretty cool car decal: OS X Dock for your back window; Wired's biggest stories of 2011: Oct 5, Steve Jobs dies; Macworld UK's top stories of 2011 feature iPhone 5?more top stories of 2011 in our General Interest section; Wired goes inside SRI's R&D, from which came Siri; WSJ article on how churches are using custom apps for their congregants, and the Catholic confession app a "surprising success"; new Apple Store coming to Masonville Place Mall in London, ON; from the bizarre files, a 12 year old boy told by Siri to shut up; fake Apple Store in Kunming China changes name again; cool 1983 Apple phone prototype had touch-screen interface; new IGZO panels to be used in Apple products, Jack Purcher details the patent. FRIDAY BLOWOUT: Every NEW or RENEWING paid subscriber receives 2 YEARS FREE.... | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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MBTA Alerts!
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www.sfltimes.com:
CORAL SPRINGS ? A Broward Sheriff?s Office (BSO) deputy is the target of a criminal investigation into allegations that he had inappropriate sexual contact with another deputy?s 8-year-old autistic daughter.
The investigation involves Carlos Periu, 40, who has been with BSO for 10 years. The child has used graphic details to describe the acts which she says he committed. The child is the daughter of another BSO deputy and the two families have been close friends for years, South Florida Times has learned.
Read the whole story: www.sfltimes.com
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Durante l?IFA di Berlino Samsung?present? il Galaxy Note, una via di mezzo tra smartphone e tablet, ribattezzato phablet, grazie alle considerevoli dimensioni del display, cio? da 5.3 pollici. Non tutti gli utenti Android hanno accolto con entusiasmo questo nuovo smartphone, sempre colpa del display, per il quale sarebbe stato pi? difficile utilizzare lo smartphone con una sola mano oppure portarlo nella tasca dei pantaloni. Nonostante ci? sembra che il Galaxy Note, con il suo enorme display e con la sua S-Pen abbia avuto successo.
Infatti anche stavolta Samsung ha realizzato un dispositivo di successo, che dal mese di Ottobre ad oggi ha registrato 1 milioni di spedizioni globali, come comunica SamsungTomorrow in questo comunicato stampa:
Samsung?s flagship smart device Galaxy Note has reached 1 million global shipping.
Samsung Electronics said on the 29th that it has shipped more than 1 million units of Galaxy Note globally. The worldwide sales of Galaxy Note are also on the rise in Europe and Asia including France, Germany, Hongkong and Taiwan. The rapid global sales of Galaxy Note are notable since it is creating a new market for something between smartphone and tablet pc. The speed of the global sales is expected to accelerate further next year when it will be available in the US.
Recently, Financial Times reviewed highly of Galaxy Note, commenting it as?a happy medium for consumers who want to carry just one device, rather than both a smartphone and a tablet and whatever other portable gadget they pick up on their way out?.
A Samsung official also said ?1 million global shipping of Galaxy Note means it has well positioned itself as a market creator,? also adding ?Samsung will continuously strengthen its leadership in the global smartphone market as well as create new markets with innovative devices.?
Insomma, grandi numeri e grande successo, ancora una volta, per Samsung che in media, dal mese di Ottobre, avrebbe venduto pi? di 300.000 Galaxy Note?al mese, nei mercati Europei ed Asiatici, che si confermano i migliori del momento. Non resta che attendere il suo arrivo nel mercato statunitense per vedere quanto questo numero sia destinato a crescere.
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Via
Tag: 1 milione galaxy note, android, record galaxy note, samsung, Samsung Galaxy Note, vendite galaxy note, vendite samsung
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Chimpanzees, orangutans, gorillas and bonobos make more sophisticated decisions than was previously thought. Great apes weigh their chances of success, based on what they know and the likelihood to succeed when guessing, according to a study of MPI researcher Daniel Haun, published on December 21 in the online journal PLoS ONE. The findings may provide insight into human decision-making as well.
The authors of the study, led by Daniel Haun of the Max Planck Institutes for Psycholinguistics (Nijmegen) and Evolutionary Anthropology (Leipzig), investigated the behaviour of all four non-human great ape species. The apes were presented with two banana pieces: a smaller one, which was always reliably in the same place, and a larger one, which was hidden under one of multiple cups, and therefore the riskier choice.
The researchers found that the apes' choices were regulated by their uncertainty and the probability of success for the risky choice, suggesting sophisticated decision-making. Apes chose the small piece more often when they where uncertain where the large piece was hidden. The lower their chances to guess correctly, the more often they chose the small piece.
Risky choices
The researchers also found that the apes went for the larger piece ? and risked getting nothing at all ? no less than 50% of the time. This risky decision-making increased to nearly 100% when the size difference between the two banana pieces was largest. While all four species demonstrated sophisticated decision making strategies, chimpanzees and orangutans were overall more likely to make risky choices relative to gorillas and bonobos. The precise reason for this discrepancy remains unknown.
Haun concludes: "Our study adds to the growing evidence that the mental life of the other great apes is much more sophisticated than is often assumed."
###
Max-Planck-Gesellschaft: http://www.mpg.de
Thanks to Max-Planck-Gesellschaft 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.
This press release has been viewed 86 time(s).
Source: http://www.labspaces.net/116343/Great_apes_make_sophisticated_decisions
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(AllHipHop News) Rap star/mogul Jay-Z has been hit with a lawsuit by the Workers Compensation Board of New York.
TMZ.com reports that the Workers Compensation Board of New York has filed a lawsuit against Jay-Z, over an $18,000 fine over a dispute regarding workers compensation insurance.
The rapper was sued for the $18,000 for not having the proper insurance for his domestic help for three months in 2009.
The insurance was meant to cover domestic workers in Jay-Z?s house, including his cooks, maids and drivers.
A court ruled in favor of the Workers Compensation Board of New York and ordered Jay to fork over the cash, for not having the proper insurance.
But reps for Jay-Z claimed that he quickly acquired the proper insurance for his domestic servants and disputed the $18,000 fine.
According to TMZ, the $18,000 bill was the result of a ?clerical error.?
In related news, Jay-Z?s 40/40 Club will reopen in New York City on January 18.
The club closed in June, to undergo $10 million dollars worth of renovations that includes a new bar, VIP section and menu.
During the reconstruction, Jay-Z was l criticized for his choice of labor to work on the 40/40 Club.
In September, the Carpenters Union in New York protested Jay-Z for hiring nonunion labor by erecting five large inflatable rats, in front of the 40/40 Club.
Reps for Jay-Z said they had no obligations to hire union workers and claimed members of the union used the ?N? word during the protest.
Source: http://allhiphop.com/2011/12/29/jay-z-sued-over-insurance-dispute-for-maids-servants/
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Story by Eyewitness News reporter Jose Gaspar
__
The U.S. Postal Service held a public meeting Wednesday on why it proposes to close the processing and distribution center on Pegasus Drive.
"We're looking at a savings of almost $10 million for the year," said James Wigdel, spokesman for USPS.
It's no secret the Postal Service has been losing billions of dollars over the year, as mail volume has declined by more than 43 billion pieces. It claims operating costs must be reduced by $20 billion by 2015 in order to return to profitability.
Wigdel said results of a study support the case for closing the Bakersfield facility and moving operations to Santa Clarita.?
"Santa Clarita is a very, very large plant with a lot of capacity, and Bakersfield is much smaller," said Wigdel.
But many at the public meeting were clearly convinced that closing the Bakersfield site is unnecessary.
"What they didn't tell you is that there are other avenues to save the Postal Service money," said Alfred Paredez, president of American Postal Workers Union Local 417.
City Councilman Russell Johnson spoke against the closure. He said Bakersfield will continue to experience growth.
The Bakersfield Processing and Distribution Center has 289 employees. Should the closure happen, 138 would lose their jobs and the rest would be offered jobs either in Santa Clarita or elsewhere, said Wigdel.
But the plan to shutter all 252 proposed sites is dependent on whether postal officials can cut overnight delivery for local mail. And that decision won't be made until sometime in 2012.
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People with diets high in several vitamins or in omega 3 fatty acids are less likely to have the brain shrinkage associated with Alzheimer's disease than people whose diets are not high in those nutrients, according to a new study published in the December 28, 2011, online issue of Neurology?, the medical journal of the American Academy of Neurology.
Those with diets high in omega 3 fatty acids and in vitamins C, D, E and the B vitamins also had higher scores on mental thinking tests than people with diets low in those nutrients. These omega 3 fatty acids and vitamin D are primarily found in fish. The B vitamins and antioxidants C and E are primarily found in fruits and vegetables.
In another finding, the study showed that people with diets high in trans fats were more likely to have brain shrinkage and lower scores on the thinking and memory tests than people with diets low in trans fats. Trans fats are primarily found in packaged, fast, fried and frozen food, baked goods and margarine spreads.
The study involved 104 people with an average age of 87 and very few risk factors for memory and thinking problems. Blood tests were used to determine the levels of various nutrients present in the blood of each participant. All of the participants also took tests of their memory and thinking skills. A total of 42 of the participants had MRI scans to measure their brain volume.
Overall, the participants had good nutritional status, but seven percent were deficient in vitamin B12 and 25 percent were deficient in vitamin D.
Study author Gene Bowman, ND, MPH, of Oregon Health & Science University in Portland and a member of the American Academy of Neurology, said that the nutrient biomarkers in the blood accounted for a significant amount of the variation in both brain volume and thinking and memory scores. For the thinking and memory scores, the nutrient biomarkers accounted for 17 percent of the variation in the scores. Other factors such as age, number of years of education and high blood pressure accounted for 46 percent of the variation. For brain volume, the nutrient biomarkers accounted for 37 percent of the variation.
"These results need to be confirmed, but obviously it is very exciting to think that people could potentially stop their brains from shrinking and keep them sharp by adjusting their diet," Bowman said.
The study was the first to use nutrient biomarkers in the blood to analyze the effect of diet on memory and thinking skills and brain volume. Previous studies have looked at only one or a few nutrients at a time or have used questionnaires to assess people's diet. But questionnaires rely on people's memory of their diet, and they also do not account for how much of the nutrients are absorbed by the body, which can be an issue in the elderly.
###
American Academy of Neurology: http://www.aan.com/go/pressroom
Thanks to American Academy of Neurology 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.
This press release has been viewed 70 time(s).
Source: http://www.labspaces.net/116340/Diet_patterns_may_keep_brain_from_shrinking
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Alex Haar
Source: http://twitter.com/A_Haar/statuses/152798299664035840
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Mass extinctions are a relatively common theme in the history and evolution of life on Earth, and the most famous one is the extinction of the dinosaurs 65 million years ago. A plethora of research has been conducted to determine how the dinosaur era ended, generating theories of massive volcanic eruptions, catastrophic climate change and giant impactors from space.
However, much less is known about another remarkable extinction event that occurred roughly 135 million years earlier ? an extinction that may have set the stage for the age of dinosaurs .
The mass extinction that occurred just before the boundary between the Triassic and Jurassic periods wiped out much of the life on land and in the oceans, leaving the world ripe for dinosaurs to plunder. For astrobiologists, the causes of this extinction comprise one of the greatest murder mysteries of all time.
Now, a team of scientists is helping to reveal the secrets of the Triassic-Jurassic (T-J) extinction by studying geological formations around the world that bear evidence of a traumatic disruption in Earth's ecosystems some 200 million years ago.
Recently, their investigation brought them to the shores of Northern Ireland's Antrim coast near the seaport of Larne. Northern Ireland is famous around the world for its stunning coastal drives and the lush forests of its glens and inlets. However, many of the locals are unaware that the quiet countryside also holds a veritable "pot of gold" beneath their feet for geologists. [10 Species You Can Kiss Goodbye]
The emerald coast
The team of researchers, led by Paul Olsen of Columbia University and Dennis Kent of Rutgers University, gather on a misty Irish morning in a small parking lot in Whitehead, Northern Ireland.
Here, they are able to cross the train tracks that hug the coastline and scramble down to a seawall that provides a safe route along the rocky shore. As their shoes slip along the damp stone, the small cliffs come into view ahead.
There is nothing particularly dramatic about the cliffs themselves, which are nestled below the train line and an imposing seawall topped with barbed wire. But the crumbling rocks peeking out from straw grass and brambles are a rare outcrop of material from the T-J boundary. They contain physical and fossil evidence that could help determine what happened to Earth's ecosystems before, during and after the T-J extinction.
In a time of plenty
At the time of the T-J extinction, the view from Northern Ireland's Antrim Coast may have been quite similar to the one that the research team is treated to today. In the late Triassic, Earth's landmass was smashed together as the single supercontinent Pangaea, and the British Isles were positioned relative to one another in much the same way they are now.
However, the waterways of the North Atlantic that now separate Ireland and Great Britain had much less exchange with the open ocean. In fact, this body of water was more akin to a large, inland sea. As the waves of this sea rolled in and out, the sediments they gradually deposited on the floor recorded a history of the environment that can be read like a book by geologists today as they dig down through the layers.
The late Triassic was a time of plenty for Earth, and the planet was a veritable paradise for life. Even the land now known as Antarctica was temperate, moist and supported a diverse range of flora and fauna. On the shores of the ancient Irish Sea, amphibians roamed the land alongside reptiles, some of which had some distinctly mammal-like traits.
Suddenly, disaster struck. In the geological blink of the eye (i.e., 10,000 years), life on Earth began to die. Two hundred million years ago, just before Pangaea began to break apart, half of the known species on Earth disappeared. [Earth in the Balance: 7 Crucial Tipping Points]
Many of the mammal-like reptiles were wiped out along with a vast array of single-celled and multicellular creatures on sea and land. Theories have been put forth about how this could have happened, but evidence of the true cause has eluded scientists for decades.
Modern shores and ancient lake beds
Evidence of the T-J extinction has been reported by numerous researchers working in sites throughout the world. For instance, a sharp decline in organic carbon and marine organisms was reported in samples from Canada's Queen Charlotte Islands in 2001 and St. Audrie?s Bay in England in 2002.
With their sampling efforts in the United Kingdom, Paul Olsen and his team are hoping to add their expertise to solving the T-J question. In various locations throughout the UK, scientists have identified outcrops of rock from the T-J boundary that are uniquely exposed at the Earth's surface. These sites are like natural libraries for geologists, where they can simply walk up and pick up samples that were "written" by the Earth at specific points in its history.
The researchers chose two additional sites in the British Isles to examine. The first was in western England's Somerset County. Here, the sediments that settled on the bed of the tropical sea between Great Britain and Ireland are now visible as great sheets of rock below the cliffs of the Bristol Channel. In these cliffs are visible layers of limestone and shale that contain a myriad of fossils ? lasting evidence of the T-J catastrophe.
The team's second site was Lavernock beach near Barry Island, Wales. At these sites, there is a "dead zone" where few fossils can be found at the time of extinction.
At all three sites (Northern Ireland, Somerset and Wales), the cliffs reveal a unique feature that makes the British Isles of particular interest in the story of the T-J event. Near the time of extinction, the layering has been contorted. In contrast to the surrounding sediments, the layers ripple and bend as if they were shaken and pushed out of place. Could it be a clue of some specific, violent event that befell the region?
According to Paul Olsen, "The scale of the disruption is huge, and a huge cause seems likely."
This type of deformation is not rare in the geological record. Local disturbances, such as earthquakes, often disrupt the layers of rock beneath the Earth. What is unique is that it occurs all around the United Kingdom. If this deformation was caused by an earthquake, it would have been a very large one indeed.
"Not only is this disruption seen in the UK," Olsen said, "but it also appears to be present in at least Belgium and maybe as far away as Italy, according to the work of my UK and US colleagues."
Interestingly, at the Lavernock beach site in Wales, the deformation rests just below the dead zone where few fossils are found. This raises questions about whether or not the deformation event is tied to the loss of life at the T-J boundary.
"It's extremely unusual to have such a widespread zone of deformation," Olsen said. "The fact that it occurs very close below the extinction level suggests that there might be a causal relationship between the cause of the disruption, probably a mega-earthquake, and the extinction itself." [The 10 Biggest Earthquakes in History]
The culprit
Many of the typical explanations for mass extinctions have been put forth as potential culprits in the T-J event. These include dramatic climate change or the evolution of new and more competitive life forms. However, geological evidence from the British Isles provides little support for these theories.
The organic-rich shale that is widespread in the UK is evidence of a period of anoxia (no oxygen) ? but these rocks were laid down seemingly later than the actual extinction event. Evidence for disruption of the carbon cycle due to global warming is also present, but again it postdates the main extinction event. In the UK, the extinction appears to time more closely to geological evidence of sea-level fall and loss of shallow marine habitats.
So what could cause a large-scale disruption in the geological record ? rippling and twisting layers of rock over an area the size of the British Isles ? and cause global repercussions that could change the course of life's evolution at the planetary scale? Could the dinosaur age have been ushered in by the same type of event that brought it to a close ? namely, an impact from space? [5 Reasons to Care About Asteroids]
Questions concerning an impact event at the time of the T-J extinction have been raised before, but there is no known impact crater from this time period that is large enough to have caused so much damage.
The surface of the Earth is an incredibly dynamic place. Processes such as weathering, erosion and shifting plate tectonics mean that physical features on Earth are constantly being born and then wiped away. Mountains grow and wither, rivers change course and ancient impact craters are washed away or covered by soil and forests.
The only known impact that is thought to have occurred around the time of the T-J extinction, and in a location near the Britsh Isles, struck the Earth near the village of Rochechouart, France. Today, the Rochechouart crater is so heavily eroded that no surface features are visible at the Earth's surface. Disruptions in the rocks surrounding the impact were discovered in the early 19th century, but it wasn't until 1969 that the French geologist Fran?ois Kraut proved an actual crater existed underground.
The Rochechouart crater is relatively small, with an estimated diameter of only 13 miles (21 kilometers), although before erosion it may have been about twice that wide. Unfortunately for Paul Olsen and his team, it is unlikely that the Rochechouart impact was large enough to cause a mass extinction all on its own.
By expanding their sampling efforts, the researchers hope to gain a larger view of the events surrounding the T-J extinction. Rochechouart may not be the primary culprit, but maybe it's just one piece in a series of catastrophes, from impacts to earthquakes and the eruption of a giant pulse of lava flows, that befell the Earth at this point in history.
What's next
Back on the Antrim coast in Northern Ireland, the researchers are finishing their day of sampling. New pieces of the T-J puzzle have been pulled from the cliffs, catalogued and placed in sample bags. The supplies are packed away and the now sample-laden backpacks are slung over shoulders. As the team climbs atop the seawall to make the trek back home, the mists finally give way to brilliant sunshine.
The samples collected from Northern Ireland will now make their way back to Columbia University, where they can be carefully studied in the laboratory.
"The samples will be analyzed for platinum group elements (PGEs), the specific ratios of which can help us distinguish between causes related to impacts or volcanic eruptions," Olsen said. [Image Gallery: Wild Volcanoes]
On Earth, the elements referred to as PGEs (such as iridium, platinum, palladium and osmium) were concentrated in the core shortly after our planet was formed, leaving the crust depleted in these metals. This means that there is a lower proportion of iridium at the Earth's surface relative to debris objects (like asteroids and comets) left over from the formation of the solar system.
Asteroids and comets retain higher levels of PGEs and have distinct PGE signatures, generally with more iridium relative to platinum and palladium. Most lavas have very low levels of PGEs with crustal ratios of the elements (although there are some exceptions), and volcanic and magmatic processes occurring on the way to the surface can also result in distinct PGE signatures.
Thus, generally only layers with both high levels of PGEs and high levels of iridium are candidates for an impact origin. Studying PGE concentrations and ratios has helped scientists recognize impact structures in the past, even millions of years after they were formed. A famous example is the iridium anomaly at the Cretaceous-Tertiary boundary, which has been shown to originate from the impact of a giant dinosaur-dooming asteroid or comet.
"We have already found platinum group element evidence of an impact in eastern North America and Morocco," Olsen said, "and if we find it here in the UK, we will make a concerted effort to find more definitive evidence of an impact such as shocked quartz. But searching for that is very laborious, and we need to know which specific layer to focus on."
The Antrim coast will help the team build on previous studies from far-flung locations. Each of these locations offers a new perspective on the disaster that befell life at the boundary of the Triassic and Jurassic periods. With every new sampling effort, Paul Olsen and his team are getting closer and closer to understanding this pivotal period in life's evolution on Earth.
This story was provided by Astrobiology Magazine, a web-based publication sponsored by the NASA astrobiology program.
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So to get it out of the way, while I?m running iOS 5 on my iPad I?m still running iOS 4 on my iPhone. I need my jailbreak, the iOS 5 untethered jailbreak just went live yesterday, and I haven?t had time to update yet. That?s why many of my apps, and a couple of my most-used apps of 2011, other than Mail, Safari, etc. are mainly jailbreak apps. Oh, and games!
The original Notification Center, it?s still way more useful and not only lets me keep track of everything but lets me quickly preview messages so I can stay on top of things during my typically hectic days.
Apple?s stock 4 apps in the dock simply aren?t enough for me. I want more and Infinidock provides for just that. Thanks to Infinidock, I can only keep Mail, Safari and Phone at the ready, but App Store and iTunes Store, and many, more more as well. (Yes, I download a lot of apps and music, but I can use the excuse that it?s my job!). Just add all you want and scroll away!
I don?t use Twitter that much, so even though Twitter for iPhone went through a major change recently, it?s still my go to Twitter app. It lets me see my replies and write my tweets and that?s pretty much all I need. (Though I do find Tweetbot adorable!)
I love strategy games and while I still played Plants vs. Zombies and Field Runners last year, Chuzzle has been my main addiction of late. It?s cute, it?s easy to get into and out of if you only have a short amount of time, and it?s by Popcap so how can you go wrong?
I have a digital antenna and Windows Media Center PVR for most of my day-to-day television viewing, but for pretty much everything else I use Netflix on the Apple TV. It has great old shows like Damages and the original X-Men cartoon. If you have young kids, Netflix is hours of entertainment, especially if you put it on their iPod touches!
More of: App Store Apps, Featured, Jailbreak Apps, Top 5Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/CJ3PSE3ymuo/story01.htm
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A backpack-size kamikaze drone ordered into combat by the U.S. Army could also soon become an aerial scout for U.S. Navy submarines hidden beneath the waves. Launching a flying robot from underwater utilizes a sneaky tactic ? using a tube that normally ejects trash from a submarine.
The Navy wants the "Switchblade" drone designed by AeroVironment to become a flying scout capable of spotting enemy ships over the horizon, even as the "mother" submarine remains hidden underwater. Its upcoming submarine launch test would coincide with the world's biggest naval war games in 2012, according to a new contract awarded to U.S. defense firm Raytheon.
Previous tests by Raytheon in 2008 showed how submerged launch vehicles can float to the surface and launch flying drones such as the Switchblade. But those demonstrations only involved surface ships and dummy drones.
The planned submarine launch would use the trash-disposal unit ? the tube that typically ejects the trash of submarine crews ? rather than one of several torpedo tubes designed to fire at enemy ships or submarines. Such a launch would take place with the submarine running just beneath the waves at periscope depth.
The Switchblade drone was originally designed to launch from a tube set up on the ground by a U.S. Army soldier, fly around until the soldier identified an enemy, and then dive at the target with explosive results. It's unclear whether or not the Navy wants the Switchblade to keep its kamikaze capability, but the scouting role seems far more useful for a submarine that already packs plenty of explosive torpedoes and missiles.
Any intended mission may become clearer during the Rim of the Pacific Exercise scheduled for 2012. That annual naval war game held by the U.S. and its allies in the Pacific involves plenty of opportunity for practice alongside ships ranging from carriers to destroyers and frigates.
If successful, Switchblade would join the U.S. military's fast-growing arsenal of robots at sea. The Navy has already begun testing a stealthy X-47B drone that could someday launch in squadrons from the heaving decks of carriers, as well as a Fire-X helicopter drone aimed at special operations such as catching smugglers or pirates.
You can follow InnovationNewsDaily Senior Writer Jeremy Hsu on Twitter @ ScienceHsu. Follow InnovationNewsDaily on Twitter @ News_Innovation, or on Facebook.
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