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Thursday, 1 March 2012

Internet Makes Us Smarter & Stupider!

Stephanie Pappas, LiveScience Senior Writer

A computer circuitboard brain. What does a tech-savvy brain look like?
CREDIT: majcot, Shutterstock



Will constant access to the Internet make today's young people brilliant multitaskers or shallow, screen-bound hermits? A new opinion poll finds that technology experts believe the answer is "all of the above."

According to a new survey of 1,021 technology experts and critics, hyperconnectivity is a mixed bag. Fifty-five percent of those surveyed agreed that the Internet has wired the under-35 crowd differently, and that this rewiring is a good thing, stimulating multitasking talent and an ability to find relevant information fast online. But 42 percent of experts believe that the hyperconnected brain is shallow, with an unhealthy dependence on the Internet and mobile devices.

"Short attention spans resulting from quick interactions will be detrimental to focusing on the harder problems, and we will probably see a stagnation in many areas: technology, even social venues such as literature," Alvaro Retana, a technologist at HP, responded in the survey. "The people who will strive and lead the charge will be the ones able to disconnect themselves to focus."

Dire predictions

According to the Elon University Imagining the Internet Center and the Pew Internet Project, which conducted the survey, the technology expert split is closer to 50-50 on whether the rise of the Internet is a boon or a bane. Many people who responded that Internet-savvy Generation Y is at a mental advantage tempered that opinion with warnings about the dark side of connectedness. [10 Facts About the Teen Brain]

"While they said access to people and information is intensely improved in the mobile Internet age, they added that they are already witnessing deficiencies in younger people's abilities to focus their attention, be patient and think deeply," Janna Anderson, director of Elon's Imagining the Internet Center and a co-author of the report detailing the findings, said in a statement. "Some expressed concerns that trends are leading to a future in which most people are shallow consumers of information, and several mentioned Orwell's '1984.'"

George Orwell's 1949 book described a dystopian society where information was strictly controlled. One respondent who mentioned the book was Paul Gardner-Stephen, a telecommunications fellow at Flinders University.

"[C]entralized powers that can control access to the Internet will be able to significantly control future generations," Gardner-Stephen wrote. "It will be much as in Orwell's '1984', where control was achieved by using language to shape and limit thought, so future regimes may use control of access to the Internet to shape and limit thought."

Online optimism

Many experts praised the talents needed to navigate the Internet, however, and suggested that people who have grown up connected will blossom.

"There is no doubt that brains are being rewired," wrote danah boyd, a senior researcher at Microsoft Research. "The techniques and mechanisms to engage in rapid-fire attention shifting will be extremely useful for the creative class."

Other experts said that the use of the Internet as an "external brain" where facts are stored frees up space for mental processes beyond memorization. [Best Social Networking Sites Online]

"The replacement of memorization by analysis will be the biggest boon to society since the coming of mass literacy in the late 19th to early 20th century," wrote Paul Jones, a new media expert at the University of North Carolina, Chapel Hill.

While there was disagreement about the benefits and costs of an increasingly important Internet, experts were agreed that certain skills and talents would be important for future generations online. Among those were the ability to cooperate to solve problems, also known as crowd-sourcing; the ability to effectively search for information; the ability to synthesize information from many sources; the ability to concentrate; and the ability to filter useful information from the digital "noise" of the Internet.

"There is a palpable concern among these experts that new social and economic divisions will emerge as those who are motivated and well-schooled reap rewards that are not matched by those who fail to master new media and tech literacies," said report co-author Lee Rainie, director of the Pew Research Center's Internet & American Life Project. "They called for reinvention of public education to teach those skills and help learners avoid some of the obvious pitfalls of a hyperconnected lifestyle.”

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Can The Human Brain See Quantum Images?

Nobody knows whether humans can access exotic images based on quantum entanglement. Now one physicist has designed an experiment to find out

The strange rules of the quantum world lead to many weird phenomena. One of these is the puzzling process of quantum imaging, which allows images to form in hitherto unimagined ways.

Researchers begin by creating entangled pairs by sending a single laser  beam into a non-linear crystal, which converts single photons into entangled pairs of lower frequency photons, a process known as parametric down conversion. A continuous beam generates a series of pairs of entangled photons.

Next, they send the entangled photons towards a pair of detectors. Each member of an entangled pair by itself fluctuates in random ways that make its time and position of arrival uncertain.

Use one of the detectors to receive just one half of the entangled photons and the result is a blur, smeared by the process of randomness.

But use two detectors to receive both sets of photons and the uncertainties disappear, or at least are dramatically reduced. In this case, the 'image' is pinsharp. The uncertainty disappears because of the quantum correlation between the entangled pairs.

Researchers have extended this technique by superimposing a pattern on the wavefront of the initial laser beam, creating shapes such as a donut. They've shown that a single detector alone cannot 'see' a such a donut image even though it appears clean and sharp when two detectors pick up both sets of the entangled pairs.

These strange pictures are called quantum images or higher order images and quantum physicists think they can use them to carry out exotic processes such as sending information secretly and performing quantum lithography.

Today, Geraldo Barbosa at Northwestern University in Evanston, Illinois, raises another interesting possibility. He asks whether it is possible for humans to see higher order images and suggests that a relatively simple experiment could settle the question.

This experiment consists of a laser beam shaped into an image, such as the letter A. This laser then hits a non-linear crystal, generating entangled pairs of photons that retain this image shape. The set up is such that these photons are then detected, not by conventional detectors, but by human eyeballs.

The question is whether the human retina/brain combination can access the correlation that exists between the entangled pairs. If so, the human would see the letter A. If not, he or she would see only a blur.

Of course, there are some significant experimental challenges. One is to design the experiment in a way  that ensures the subject can only receive the image through this quantum process and not through some other channel, such as talking to the experimenter. However, that should be straightforward for any psychologist to design.

Another problem, however, is that the retina can only detect photons in groups of 7 or more and these have to arrive within a specific time window. Only then can a human subject 'see' the result. Generating the required intensity of entangled photons is one challenge.

The key question is whether the entanglement survives this group process. If the brain can access the quantum correlations, the image will be visible. If not, the result will be a blur.

That's a fascinating experiment not least because a positive result would be astounding. It would show that we humans can essentially 'see' entanglement.

Barbosa points out that new forms of imaging are not unknown in the animal world. Various animals and insects see in the infrared and ultraviolet, giving them an entirely different perspective on the world.

There is also some evidence that birds can 'see' the earth's magnetic field thanks to the quantum interaction between the field and light sensitive molecules in their retinas.

So the possibility that new ways of seeing the world can emerge is not unprecedented. However, the idea that humans can access higher order images thanks to quantum entanglement is clearly an idea of a different ilk.

Perhaps the most exciting aspect of Barbosa's idea is that it appears feasible now. There's no reason why this experiment couldn't be done in any quantum optics lab in the near future.

We'll look forward to seeing the results.

Ref: arxiv.org/abs/1202.5434: Can humans see beyond intensity images?

TRSF: Read the Best New Science Fiction inspired by today’s emerging technologies.

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Wednesday, 29 February 2012

IBM Scalable Quantum Computing

IBM Paves The Way Towards Scalable Quantum Computing

Alex Knapp, Forbes Staff

Three superconducting qubits. (Credit: IBM Research)

IBM has announced today that it’s achieved a breakthrough in its work to develop scalable quantum computing by developing a superconducting qubit made from microfabricated silicon that maintains coherence long enough for practical computation.

And now that I’ve thrown a ton of information at you in one tiny sentence, let’s break it all down. I had a chance to talk with IBM scientist Matthias Steffen about this new technology, and he broke it down for me. Let’s start with the qubit. Classical computing, as you probably know, is based on the bit. A bit can exist in one of two possible states, which are typically referred to as “0″ or “1″. A qubit is the equivalent of a bit for quantum computing. It can be in three possible states – “0″ or “1″ or both. The “both” state is known as the superposition. Now, the difference may seem subtle, but mathematically, it’s huge. A few hundred qubits can contain more classical bits of information than the the universe has atoms.

IBM Shrinks Computer Memory Into Only Twelve Atoms
 

What makes quantum computing challenging is the problem of decoherence. When a qubit is moved from the 0 state to either 1 or the superposition, it will decohere to state 0 due to interference from other parts of the computer. In order for quantum computing to be scalable and practical, the qubits have to be coherent for a long enough time that error-correction techniques can be employed to make sure that the decoherence doesn’t prevent accurate computation.

“In 1999, coherence times were about 1 nanosecond,” Steffen told me. “Last year, coherence times were achieved for as long as 1 to 4 microseconds. With these new techniques, we’ve achieved coherence times of 10 to 100 microseconds. We need to improve that by a factor of 10 to 100 before we’re at the threshold we want to be. But considering that in the past ten years we’ve increased coherence times by a factor of 10,000, I’m not scared.”

 
Alex Knapp Forbes Staff
 MIT's Scott Aaronson Explains Quantum Computing

The IBM team has taken two approaches to quantum computing, both of which factor into the breakthroughs announced here. The first approach is building a 3-D qubit made from superconducting, microfabricated silicon. Steffen notes that the benefit of using silicon for these qubits is that the manufacturing equipment and know-how already exists – new techniques don’t have to be developed. 3-D qubits were pioneered by the Schoelkopf Lab at Yale, and Steffen expressed his admiration for that work. Building on the Yale techniques, the IBM team was able to maintain coherence for 95 microseconds. (“But you could round that to 100 for the piece if you want,” Steffen joked.)

How To Make A Cheaper Quantum Computer
 

 The second approach involved a traditional 2-D qubit, which IBM’s scientists used to build a “Controlled NOT gate” or CNOT gate, which is a building block of quantum computing. A CNOT gate connects two qubits such that the second qubit will change state if the first qubit changes its state to 1. For example, if qubit A’s state is changed from 0 to 1, and qubit B’s state is 1, it will flip to state 0. But if qubit A’s state is changed from 1 to 0, qubit B is unaffected. That seems simple enough, but when you scale multiple logic gates like this together, you have a very real basis for computation. The CNOT gates were able to maintain coherence times of 10 microseconds, which is long enough to show a 95% accuracy rate. The previous accuracy record for CNOT gates was 81% accuracy, so this is a huge step.  Of course, Steffen was quick to note that there’s still a ways to go before this can be implemented as a computing solution. That makes common sense, since 95% is accurate, but in the long run you need the accuracy to be as close to 100% as possible.
The Inner Workings of a Quantum von Neumann Computer

Given the rapid progress that IBM has made, scalable quantum computing is starting to look like a real possibility. As error-correction protocols improve and coherence times lengthen, accurate quantum computing becomes a real possibility. But don’t expect to have a quantum smartphone anytime soon using this technique. In order to get the results the IBM team has seen in either the 2-D or 3-D configuration, the qubits have to be cooled down to less than a degree above absolute zero.

“There’s a growing sense that a quantum computer can’t be a laptop or desktop,” said Steffen. “Quantum computers may well just being housed in a large building somewhere. It’s not going to be something that’s very portable.  In terms of application, I don’t think that’s a huge detriment because they’ll be able to solve problems so much faster than traditional computers.”

The next steps for the team is to improve coherence and error-correction protocols to the point where the accuracy is over 99.9%. That means they’ll have achieved a “logical qubit” – one that, for practical purposes, doesn’t experience decoherence. From that point, the next step is to develop a quantum computing architecture. IBM is considering some possibilities here, including developing some quantum memory architechture. But what encourages Steffen in these endeavors is that these are questions of engineering, not of theory.

“We are very excited about how the quantum computing field has progressed over the past ten years,” he told me. “Our team has grown significantly over past 3 years, and I look forward to seeing that team continue to grow and take quantum computing to the next level.”

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Tuesday, 28 February 2012

HSBC makes £13.8bn profits

HSBC sign HSBC's annual profits rose 15% to £13.8bn ($21.9bn) in what it called a year of "major progress".

The bank said that 2011 was a year of major progress for HSBC

The bank is the biggest in Europe and makes about 90% of its profits outside the UK.

HSBC's UK profits were 17.2% higher than last year at £1.5bn.

The bank singled out its "strong performance" in faster-growing markets, with revenue up 12% in Asia and Latin America, as well as in the Middle East and North Africa.

It said these regions now accounted for 49% of group revenue. It also said 2011 was a record for commercial banking.

Profit before tax in that division was up 31% at almost £5bn.

Also helping the headline profit figure was a rise of £2.5bn in the value of its debt.



The investment banking division fared less well. Profits there fell 24% to £15bn as a result of the eurozone crisis.

UK banking
 
The UK division met its Project Merlin lending targets, set by the government.

It lent £49.4bn to businesses, well above its target of £38.8bn, with £11.9bn going to small and medium-sized enterprises (SMEs).

HSBC also increased mortgage lending by 12% to £13.2bn and expects to increase that to £15bn this year, with £3bn earmarked for first-time buyers.

Like other UK banks, HSBC has faced claims over mis-sold payment protection insurance - policies which were sold to maintain loan repayments in the event of illness or redundancy.

But in many cases, the insurance was sold to those who were not appropriate customers for the product.
The bank said it was "truly sorry" to those adversely affected by "our failings".

Lloyds Bank last week took back £2m in bonuses from senior executives, and HSBC said it, too, had exercised "clawback".

HSBC's total bonus pool for the year to 31 December was £2.64bn.

Top earners
 
The group chief executive, Stuart Gulliver, received a total pay award of £7.2m, made up of a £1.2m salary, a £2.2m bonus and long-term incentives of £3.75m, which is in shares and cannot be sold until he retires or leaves the bank.

Mr Gulliver was not the top earner this year, however. Another senior bank employee, who has not been named, will receive £8m in total.

More than 200 key employees in the UK earned a total of £53m.

The size of the remuneration was seen as inappropriate by some, partly because the bank is currently in the process of cutting 30,000 jobs worldwide as part of wide-ranging cost-cutting measures designed to save up to £2.2bn by 2013.

David Fleming, national officer at the union Unite, said: "How can Stuart Gulliver have a clear conscience over his reward package of £7.2m while thousands of staff face uncertainty about their jobs?"

The bank's chairman, Douglas Flint, who will receive £3.4m for 2011, said he accepted that "a few people" were paid "extraordinarily well" but insisted the bank needed to attract and retain the best staff.

'Traction'
 
HSBC is the currently the most profitable Western bank, with its nearest rival, JP Morgan, reporting a profit of £12bn.

It operates in 80 countries and employs 288,000 people, 50,000 in the UK.

Mr Gulliver said: "2011 was a year of major progress for HSBC. We gained traction in our strategy designed to simplify the structure and improve the management and control of the group.

"I am pleased with our progress, but there is a lot more to do and we remain focused on delivering our targets."

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Malaysia's looming General Election 2012

Key trends in the looming GE13

Ceritalah By KARIM RASLAN

Datuk Seri Najib Tun Razak is slated to win the next general election, with the margin depending on how both sides of the political divide appeal to and win over the 1.9 million new voters.

I HAVE spent the past three weeks almost exclusively in Malaysia – travelling and listening to people. A lot of this time has inevitably been spent with fellow writers and editors.

In fact, journalists prefer talking to other journalists so there’s always a danger that we’re living in a bubble — something that we often accuse politicians of doing!

At the same time, and as explained by Malaysian Insider’s Jahabar Sadiq: “We were caught napping in 2008. Ever since, we’ve been over-compensating.”

So bearing in mind our collective fear of being wrong, here – for what it’s worth – are the key trends I’ve identified that will feature in the next general election (GE).

> The delayed pendulum: Ma­lay­sian GEs have tended to follow a pendulum-like movement, with swings to and from Barisan National (BN) in alternate polls.

However, in 2012/3 there will be a subsidiary trend at work in Sabah, Sarawak and Johor (dubbed BN’s “Fixed Deposit”) if there is a shift of Chinese support while the rest of the peninsula reverts to form.

> The democracy wave from Singapore: The vote in southern Johor will be impacted by the many Malaysians who live and work in the city-state.

Having observed the republic’s two nation-wide polls (parliamentary and presidential) in 2011 and witnessed the extent to which the PAP government subsequently reversed unpopular housing, healthcare and immigration policies, Johoreans will have learnt the value of tactical voting in order to engineer policy shifts.

> Sabah: West Malaysian/Umno leaders continue to underestimate the importance of the Royal Commission of Inquiry on Illegal Immigrants for Sabahans (especially the KadazanDusun and Murut communities).

> The Prime Minister’s two key performance indicators (KPIs): Datuk Seri Najib Tun Razak is slated to win the next GE.

However, victory is only the first of his KPIs.

The second is that he must surpass his predecessor Abdullah Ahmad Badawi’s 2008 showing (140 seats).

Indeed, the rationale behind Najib’s rise to the premiership was his unspoken promise of returning Umno (and BN) to its earlier glory. Failure to achieve this will lead to a reassessment of his leadership.

> Najib’s presidential style campaign: It has boosted the premier’s approval ratings. Given the fact that Malaysia has adopted the Westminster system, the PM’s popularity has not translated into greater support for Umno (or BN), leaving many potential candidates to struggle.

As such, there is no guarantee that Najib’s personal popularity will strengthen BN in the 13th GE.

> Newly-registered voters: Esti­mated at some 1.9 million, both sides are scratching their heads as to how to appeal to and win over this disparate and largely disinterested mass of voters.

There appears to be little party loyalty and commitment among this group. Their support may well depend on a last-minute and/or unexpected political “black swan-type” event triggering a sudden and massive swing in either coalition’s favour.

> Indian community: The community is no longer virulently anti-Barisan. While Malaysian Indians are by no means “grateful”, the Hindraf-connected anger has dissipated with the departure of MIC honcho Datuk Seri Samy Vellu and Datuk Seri G. Palanivel’s low-key leadership.

The Indian vote will help BN in countless marginal seats.

> NFC – “Istana” Mat Deros for 2012: In 2008 we had Umno’s Port Klang Assemblyman, the late Zakaria Mat Deros, and his infamous “Istana” built on allegedly illegally-acquired land.

In 2012/13 we have the National Feedlot Corporation (NFC) scandal, which continues to unfold.

The NFC has been very damaging in rural Malay and Indian communities where voters are most familiar with the economics of cattle-rearing.

> Changing face of domestic politics: Malaysian politics is shifting. This will be the last GE for “institutional” players, the Umno warlords who refuse to court public opinion.

Most of these political dinosaurs can’t be bothered to engage with the public, debate and/or win support from the media.

Indeed, party hacks – from both BN and Pakatan – will become increasingly unpopular and loathed.

They have no future and will be replaced by those who can think, talk and argue in public such as Saifuddin Abdullah, Zambry Abdul Kadir and Shabery Cheek.

Emotional intelligence and humility will also be important. The absence of these two qualities will lead to the premature political demise of certain candidates.

> Kedah: Pakatan extols its successes in Penang and Selangor. However, the coalition is strangely silent about the Kedah government’s less than sterling record of administration.

> Public trust in the Government: Widespread cynicism and distrust will force the Government to shelve many policy and business initiatives.

BN’s ability to command public support without extensive consultation and stakeholder engagement has evaporated.

Put all this together and what do you get? A very, very interesting 2012/13 indeed.

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