Wednesday, July 4, 2012

What is the Fibonacci Sequence and Why is it Famous?

Features | More Science

The Math Dude: Quick & Dirty Tips to Make Math Simpler


Scientific American presents Math Dude by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies.

It?s not often someone suggests that knowing some math could make you the life of the party, but that?s exactly what I?m going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just might leave your friends clamoring for more?because it really is that cool. So, without further ado, let?s continue our exploration of sequences that we began a few articles ago by jumping right in and talking about Fibonacci?s famous sequence.

Review of Mathematical Sequences
As we?ve discussed, sequences in math are fairly simple things?they?re just lists of numbers arranged in some particular order. The number of sequences that can be written is infinite since any random list of numbers will do. But some types of sequences are decidedly non-random?one of which being the geometric sequence. In such a sequence, each element is obtained from the previous one by multiplying it by the same fixed number. For example: 2, 4, 8, 16, 32, is a geometric sequence where each successive element is obtained by multiplying the previous one by 2.


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Stock market rises in early trading as US awaits jobs report

The stock market is rising in early trading Monday on hopes for new measures to deal with the eurozone debt crisis. But investors on the stock market are awaiting a critical US jobs report, to be released Friday.

By The Associated Press / July 2, 2012

Specialists Frank Masello, left, and John T. O'Hara work on the trading floor of the New York Stock Exchange in New York shortly before the closing bell on Friday, June 29, 2012. Stock market futures rose early Monday, July 2, 2012, with the Dow up 14 points to 12822.

David Karp/AP/File

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U.S. stock futures are edging up on optimism about recently announced measures in Europe to stave off a debt crisis and hopes that interest rates there will be cut this week. But the gains are being tempered with more evidence of a slowdown in China.

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Investors are also awaiting the U.S. jobs report set to be released Friday.

Dow Jones industrial average futures rose 14 points to 12,822 on Monday. Standard & Poor's 500 futures are up 2.1 points to 1,358.50 and Nasdaq futures gained 3.75 points to 2,613.50.

China's manufacturing grew at the slowest pace in seven months in June, according to a survey released over the weekend. That could signal limited power in Beijing to forestall a more rapid decline for the world's second largest economy.

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/NlWx47bovUA/Stock-market-rises-in-early-trading-as-US-awaits-jobs-report

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Tuesday, July 3, 2012

Deena from 'Jersey Shore': I didn't use sidewalk

"Jersey Shore" cast member Deena Cortese, right, adjusts a necklace for her mother, Joann Cortese, as they wait in court Tuesday, July, 3, 2012, in Seaside Heights, N.J. Police arrested Cortese on June 10, saying she was dancing in a roadway and interfering with the flow of traffic. But municipal prosecutor Kim Pascarella said the prosecution did not have enough evidence to prove that charge, agreeing instead to allow her to plead guilty to the lesser offense of not using a sidewalk when one was provided. She pleaded guilty to failing to use the sidewalk and paid a $106 fine. (AP Photo/Mel Evans)

"Jersey Shore" cast member Deena Cortese, right, adjusts a necklace for her mother, Joann Cortese, as they wait in court Tuesday, July, 3, 2012, in Seaside Heights, N.J. Police arrested Cortese on June 10, saying she was dancing in a roadway and interfering with the flow of traffic. But municipal prosecutor Kim Pascarella said the prosecution did not have enough evidence to prove that charge, agreeing instead to allow her to plead guilty to the lesser offense of not using a sidewalk when one was provided. She pleaded guilty to failing to use the sidewalk and paid a $106 fine. (AP Photo/Mel Evans)

(AP) ? "Jersey Shore" cast member Deena Cortese got a costly reminder Tuesday of a lesson parents tell their children: Make sure you stay on the sidewalk.

And just to underscore that point, she got a talking-to from her mother outside municipal court, where Cortese had just pleaded guilty to failing to use the sidewalk and paid a $106 fine.

"He doesn't want to see you in that courtroom again," Deena's mom, Joann Cortese, said, referring to the judge who had imposed the fine. Then they hugged and kissed goodbye ? on the sidewalk.

"Love you," her mom said.

"Love you, too," Deena replied.

The pint-sized reality star also had to pay $33 in court costs but avoided a criminal conviction by pleading guilty to a violation of the motor vehicle code.

Police arrested her on June 10, saying she was dancing in a roadway and interfering with the flow of traffic. But municipal prosecutor Kim Pascarella said the prosecution did not have enough evidence to prove that charge, agreeing instead to allow her to plead guilty to the lesser offense of not using a sidewalk when one was provided.

"I'm sorry if I caused any trouble," Cortese said, standing before the same bench where co-star Nicole "Snooki" Polizzi pleaded guilty to disturbing other beachgoers in 2010.

Municipal Court Judge Dan Sahin gently rebuked Cortese for diverting police officers from more pressing concerns.

"Ms. Cortese, please keep in mind you're taking police officers away from a job they have to do," the judge said. Responding to the call, investigating, arresting her and bringing her back to police headquarters all took valuable time that could have better been spent serving others who needed help, he added.

"The officers here are not the New York City Police Department; we're not 1,000-strong," Sahin said. "They've got a tough job to do."

Cortese hugged her mother and wiped away a few tears as she waited in line with her lawyer, Michael Pappa, to pay the fine at the court clerk's window.

Pappa noted that the police report stated that Cortese appeared to have been drinking before the incident. On her personal website, Cortese calls herself "The Blast In A Glass."

"Deena was in the middle of the road," Pappa told The Associated Press. "Traffic was at a standstill because of summer congestion. She knew she made a mistake and she regrets what she did.

"She took this situation very seriously," he said. "She was very upset about getting arrested and having to go to the police station, and she was very apologetic to the police officers."

The judge also chided Cortese for endangering herself and others by her conduct.

"By going into traffic as she did, she placed herself in harm's way and quite possibly placed others in harm's way," Sahin said.

It was at least the third legal run-in that a "Jersey Shore" cast member has endured since the show began filming in Seaside Heights in 2009.

In addition to Polizzi's tipsy traipsing through the sand in 2010, Ronnie Ortiz-Magro was shown in an episode from the show's first season that generated an assault charge. Another man was shown taunting Ortiz and other cast members as they walked home, only to be laid out by a single punch from Ortiz-Magro, who boasted: "That's one shot! That's one shot, kid!"

Ortiz-Magro was originally charged with aggravated assault but entered a pre-trial intervention program that let him avoid criminal prosecution.

A native of the New Egypt section of New Jersey's Plumsted township, Cortese is a longtime friend of Polizzi, and joined the cast in its third season following the departure of cast member Angelina Pivarnick.

The cast is nearing the end of its sixth season of filming in and around Seaside Heights.

___

Wayne Parry can be reached at http://twitter.com/WayneParryAC

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/4e67281c3f754d0696fbfdee0f3f1469/Article_2012-07-03-Jersey%20Shore-Court%20Appearance/id-4e301899a64346188c6dcf2ddfcb171c

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V3 Gaming PC Avenger


On the chance that its name gives you the wrong idea, you should know that the V3 Gaming PC Avenger ($4,599 direct) has nothing to do with the popular, recently released superhero movie. Given its powerful components, however, it seems designed to make you feel like a superhero yourself when you fire up your favorite 3D games. At that it succeeds?at least for a couple of years, you won't have to worry whether you're capable of handling whatever the newest and hottest title on the market is. But if you're longing for the fastest or flashiest system on the market, this isn't it; the Avenger gives you a solid combination of price and performance, but stops short of inspiring a deeply felt "wow."

Design and Features
The V3 Gaming PC Avenger may lack the ostentatious looks of many high-end gaming PCs, but it makes the most of what it does have. This starts with the Corsair Obsidian Series 650D case, a sharp-edged, sharp-looking model adorned with very little ornamentation: Nvidia and V3 logos on the windowed primary side panel, a giant Nvidia logo on the opposite one, and that's it. You certainly don't need much more, and the case is well enough outfitted that you likely won't care: There's plenty of interior space, and two easy-to-use door latches on either side panel give you frustration-free ways to access it.

Once you open the case, you're greeted with a bit more color by a green cold cathode ray lighting tube that spans the vertical interior (more Nvidia-focused subtlety, we'd wager). But you'll also find plenty of enticing components worthy of any serious gaming PC. Installed on the Asus P9X79 Pro motherboard is an Intel Core i7-3930K CPU, our favorite Sandy Bridge?Extreme model (because of its excellent performance-affordability profile), which has been overclocked from its natural 3.2GHz to a blistering 4.8GHz. That sort of treatment demands heavy cooling, and it's been provided by a closed-loop Asetek liquid cooler. The processor is paired with 16GB of RAM, distributed among four 4GB Corsair Vengeance DIMMs in the motherboard's eight expansion slots; you can install a maximum of 64GB in the P9X79 Pro (but to do so, you'll need to swap out the chips that are present?not that 16GB will become wimpy anytime soon). Providing hefty graphics firepower are three Nvidia GeForce GTX 680 video cards, which diminish expandability somewhat by blocking one PCI Express (PCIe) x8 slot and two PCIe x1 slots.

Of the four 5.25-inch drive bays on the Avenger, one is filled with a Samsung Blu-ray burner, a second with a multiformat card reader, and two are empty. The case technically has six 3.5-inch drive bays located below the 5.25-inch drives, but all are spoken for. There's a 2TB 7,200rpm hard drive in one, two 120GB Corsair Force solid-state drives (SSDs) in a RAID Level 0 configuration in two others, and the controller for the interior lighting takes up all of the bottom three; if you want to add more drives later, something will have to go first. Providing the juice for all this is a 1,200-watt Corsair AX1200 power supply.

Ports on the rear panel include six USB 2.0, four USB 3.0, two eSATA, Ethernet, S/PDIF optical out, and jacks for eight-channel audio. Also present are a dongle that adds Bluetooth 4.0 and a BIOS flashback button (used in conjunction with a specially marked USB 2.0 port) that gives you the freedom to tweak your system settings without fear that you'll render the computer unbootable. The front-panel port selection is hidden behind a drop-down door, and comprise two USB 3.0, two USB 2.0, FireWire 800, and headphone and microphone jacks. Another nice addition is a 3.5-inch drive dock in the front section of the top panel; it's covered by a door as well to protect the SATA connectors inside, though we had consistent trouble closing that door all the way.

Our V3 Gaming PC Avenger also game with a peripheral pack to help round out your gaming experience. It includes two items by Razer, a Death Adder mouse and a Lycosa keyboard, as well as a Fatal1ty Professional Gaming Headset MK II; these are all basic, few-frills offerings, but if you need to augment your setup, they're a decent way to go. (If you already have pieces you're happy with, you can get the system itself for $100 less.) The Avenger's warranty covers parts for three years and labor for life, and provides lifetime technical support as well.

Performance
V3 Gaming PC AvengerYou rarely have to worry much about performance with a serious gaming machine, and that remains true of the V3 Gaming PC Avenger. It delivered dazzling results in all our productivity tests: 2 minutes 17 seconds to apply a dozen filters and effects in Adobe Photoshop CS5, 54 seconds to convert a video in Handbrake, and scores of 13.62 on CineBench R11.5 and 6,348 on Futuremark PCMark 7 respectively. But none of these was a record setter: The latest Origin Genesis (which was overclocked to 4.9GHz) surpassed the V3 in Photoshop (2:12), CineBench (14.23), and Handbrake (51 seconds); and the Editors' Choice Maingear Shift Super Stock delivered a stronger PCMark 7 score (6,501).

The one test in which the V3 set a new standard was the Entry preset on Futuremark 3DMark 11: Its 26,055 was well ahead that of the closest competitor (again the Maingear, with 24,337). But the V3 trailed in all other gaming tests, whether 3DMark 11's Extreme preset (the Genesis' 9,710 trumps the V3's 8,884), Lost Planet 2 (where the Maingear won at both 1,280 by 720 and 1,920 by 1,080, with 359 frames per second, or fps, and 232fps respectively), or Crysis (the Genesis won here, as well, with 131fps and 86fps at lower and higher resolutions).

Although the V3 Gaming PC Avenger costs less than the newest Maingear Shift Super Stock, we're letting the latter retain its Editors' Choice based on its superior gaming and productivity performance, stronger upgrade potential, and more innovative design in a more elaborate and compelling chassis. But if you don't want to shell out the extra money for those privileges, and you can live with less than all-consuming performance, the Avenger is a fine choice.

More desktop reviews:
??? V3 Gaming PC Avenger
??? Velocity Micro ProMagix HD180 Max
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??? Polywell Poly i1000A-3770T
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?? more

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How This One Little Satellite Could Save Life on Earth [Video]

Let's face it, Bruce Willis is getting old. We can no longer rely on the option of simply strapping him to a rocket, shooting said rocket towards an oncoming asteroid, and hoping for the best. Luckily, the Silicon Valley-based B612 foundation is developing the world's most advanced asteroid early warning system. More »


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ComScore: iOS and Android market share continues to climb, RIM and Motorola continue to fall

ComScore iOS and Android market share continues to climb, RIM and Motorola continue to fall

Ready for some hardcore smartphone market share numbers? ComScore's got 'em for the three-month period ending in May 2012, and you probably won't be terribly surprised by the outcome. First, let's tackle smartphone platforms: Apple and Google posted minor increase month-over-month at 0.5 and 0.1 percent, respectively (1.7 and 0.8 over a three-month span). Microsoft (consisting of Windows Phone and Windows Mobile) didn't budge between April and May, though it nudged up a tenth of a percentage point since February. RIM dropped 0.2 percent over one month, but it already experienced a much more painful sting -- 2.0 percent -- during the three-month period. Symbian also went through similar concerns, going down 0.2 percent month-over-month and 0.4 percent since February.

As for specific manufacturers, Apple once again comes out on top, adding 1.5 percent to its customer base over the last three months for a total of 15 percent share. Samsung, still leading the pack in total market share at 25.7 percent, only grew by 0.1. Given the OEM's success in deploying the Galaxy S III to every major US carrier, we suspect that number will spurt up even higher over the next quarter. Among the companies losing share: LG, Motorola and HTC, losing 0.3, 0.8 and 0.2 percent, respectively.

Continue reading ComScore: iOS and Android market share continues to climb, RIM and Motorola continue to fall

ComScore: iOS and Android market share continues to climb, RIM and Motorola continue to fall originally appeared on Engadget on Mon, 02 Jul 2012 14:06:00 EDT. Please see our terms for use of feeds.

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Source: http://www.engadget.com/2012/07/02/comscore-may-2012-smartphone/

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Sunday, July 1, 2012

So Good: Black-Plate 1963 Buick Riviera For Sale


This 1963 Buick Riviera is said to have belonged to one Southern California family since new and is said to be completely rust free and a magnificent driver.?Widely regarded as an?automotive design classic, the?1963-65 Riviera?represents one of the last generations?of American cars that?stood second to none on the world stage. This example appears to be a near perfect driver, with enough restoration done?to make it a turn-key beauty, yet not so original or over-restored to be stashed in a collection. Find it?here on eBay in Santa Monica California with a $25,500 Buy-It-Now.

1963 Buick Riviera For Sale Side

According to the seller, the Riviera is rust free and shows no signs of being in a serious accident. It has been re-painted once, but in the original ?Granada Red? color which makes for a nice alternative to the usual shades found on 1963-65?Rivieras. The chrome is said to be in very good condition, as are the original spinner hubcaps. The weather stripping and seals are all said to be new.

1963 Buick Riviera For Sale Rear

The interior is said to be in very good condition overall. The seller adds that seats have been re-upholstered in factory spec. leather and are flawless. The dash appears to be in very good condition, and has to be one of the attractive dashes ever put in an automobile. At the very least, it certainly outshines anything GM would build?in the following three?decades.

1963 Buick Riviera For Sale Interior

The?Buick 401 V8?was replaced in the 1980s with one from a?1966 Riviera, though it still retains?the original cylinder heads. The transmission was also rebuilt, and the seller adds that the car comes with records dating back to 1963. The car is described as being magnificent to drive, with smooth shifts,?plenty of power, and?no oil leaks or overheating issues.

1963 Buick Riviera For Sale Motor

It is hard to argue with a 1963-65 Riviera as a classic. Stylish, beautiful, and widely regarded as a design success, it?s also comfortable without being a floating behemoth, and more than?quick enough to keep up with modern traffic. While no concours car, this example appears to be a very nice turn-key driver that should be used and enjoyed.

1963 Buick Riviera For Sale Front

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