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Old 04-15-2011, 09:27 AM   #2401
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http://inhabitat.com/breaking-solar-...lls-obsolete/#

Researchers at the University of Michigan have made a discovery about the behavior of light that could change solar technology forever. Stephen Rand, a professor in the departments of Electrical Engineering and Computer Science, Physics and Applied Physics and William Fisher, a doctoral student in applied physics, discovered that light, when traveling at the right intensity through a material such as glass that does not conduct electricity, can create magnetic fields that are 100 million times stronger than previously thought possible. In these conditions, the resulting magnetic field is strong enough to rival a strong electric effect. The result is an “optical battery, which could lead to “a new kind of solar cell without semiconductors and without absorption to produce charge separation”, according to Rand.

Read more: BREAKING: Solar Power Breakthrough Could Render Photovoltaic Cells Obsolete | Inhabitat - Green Design Will Save the World
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Old 04-15-2011, 10:12 AM   #2402
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http://www.gizmag.com/flynano-microl...ircraft/18411/

The 70 kg US$39,000 FlyNano Electric Microlight




Finnish aeronautical engineer Aki Suokas launched a remarkable new single-seat aircraft this week at Aero Friedrichshafen. The FlyNano is made entirely of carbon fiber composite, lands and takes off on water, and weighs just 70 kilograms ready to fly. Three variants are available: a 20kW electric-only version, and petrol-engined 24 bhp and 35 bhp models, the latter proposed as a racing version. The Flynano tops out at over 140 km/h, with a service ceiling of 3 km. If you think that's remarkable, the most expensive of the three variants ex-factory and ex-VAT is just EUR 27,000 (US$39,000) and deliveries begin three months from now.

The FlyNano's wingspan is nearly five meters, it has a maximum take off weight of 200 kg and it has a speed range of 70 km/h to 140 km/h. FlyNano's true airspeed is about 140 km/h at 75% power with a theoretical operational distance of 70 kilometers.

The almost exclusive use of carbon fiber has enabled the Flynano to come in at under the magic 70 kg weight limit which determines how a new plane is legally classified. In this class in most jurisdictions, there's no license required and a minimum of red tape. Of course there's no passenger and no luggage, but it already rates as a breakthrough in aviation cost-performance.

Though the electric version has a limited range of 40 kilometers, the low speed torque and minimal vibration of the electric motor enables the low-speed four-blade prop to be whisper quiet, ensuring you'll get no complaints from the neighbors.

A transferable buy option will get you a place in the 2011 delivery queue at EUR 900 (US$1300), with 30% payable on delivery confirmation and the remainder prior to delivery. There's also an optional purpose-built trailer and storage box for the Flynano which retails for EUR 5,300 (US$7,700).
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Old 04-15-2011, 10:19 AM   #2403
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http://www.infinitereality.org/
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Old 04-15-2011, 10:42 AM   #2404
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http://www.engadget.com/2011/04/14/m...e-songs-video/

Magnetic fields shut down speech, permit love songs (video)

Science, Alt
Magnetic fields shut down speech, permit love songs (video)
By Jesse Hicks posted Apr 14th 2011 5:56PM
You already know the strange powers of Stephin Merritt, but today we're talking about real magnetic fields. Powerful electromagnets, it turns out, can do remarkable things to the brain -- in this case, prevent a volunteer from reciting "Humpty Dumpty." The carefully directed magnets temporarily disrupt the brain's speech centers; the volunteer can still sing the rhyme using different areas of the brain, but simply can't overcome a series of stammers when trying to merely recite it. Of course, it's not all mad scientist applications: the UK team experimenting with transcranial magnetic stimulation (TMS) thinks it can help us understand and treat migraines (as we've seen before with the Migraine Zapper), depression, and ADHD, among other ailments. But improving physical well-being doesn't make for nearly as entertaining media -- see the British inflict some involuntary quiet time in the video above.
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Old 04-15-2011, 10:44 AM   #2405
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Originally Posted by alkemical View Post
http://inhabitat.com/breaking-solar-...lls-obsolete/#

Researchers at the University of Michigan have made a discovery about the behavior of light that could change solar technology forever. Stephen Rand, a professor in the departments of Electrical Engineering and Computer Science, Physics and Applied Physics and William Fisher, a doctoral student in applied physics, discovered that light, when traveling at the right intensity through a material such as glass that does not conduct electricity, can create magnetic fields that are 100 million times stronger than previously thought possible. In these conditions, the resulting magnetic field is strong enough to rival a strong electric effect. The result is an “optical battery, which could lead to “a new kind of solar cell without semiconductors and without absorption to produce charge separation”, according to Rand.

Read more: BREAKING: Solar Power Breakthrough Could Render Photovoltaic Cells Obsolete | Inhabitat - Green Design Will Save the World

http://www.physorg.com/news/2011-04-...-magnetic.html

Solar power without solar cells: A hidden magnetic effect of light could make it possible

(PhysOrg.com) -- A dramatic and surprising magnetic effect of light discovered by University of Michigan researchers could lead to solar power without traditional semiconductor-based solar cells.

The researchers found a way to make an “optical battery,” said Stephen Rand, a professor in the departments of Electrical Engineering and Computer Science, Physics and Applied Physics.

In the process, they overturned a century-old tenet of physics.

“You could stare at the equations of motion all day and you will not see this possibility. We’ve all been taught that this doesn’t happen,” said Rand, an author of a paper on the work published in the Journal of Applied Physics. “It’s a very odd interaction. That’s why it’s been overlooked for more than 100 years.”

Light has electric and magnetic components. Until now, scientists thought the effects of the magnetic field were so weak that they could be ignored. What Rand and his colleagues found is that at the right intensity, when light is traveling through a material that does not conduct electricity, the light field can generate magnetic effects that are 100 million times stronger than previously expected. Under these circumstances, the magnetic effects develop strength equivalent to a strong electric effect.

“This could lead to a new kind of solar cell without semiconductors and without absorption to produce charge separation,” Rand said. “In solar cells, the light goes into a material, gets absorbed and creates heat. Here, we expect to have a very low heat load. Instead of the light being absorbed, energy is stored in the magnetic moment. Intense magnetization can be induced by intense light and then it is ultimately capable of providing a capacitive power source.”

What makes this possible is a previously undetected brand of “optical rectification,” says William Fisher, a doctoral student in applied physics. In traditional optical rectification, light’s electric field causes a charge separation, or a pulling apart of the positive and negative charges in a material. This sets up a voltage, similar to that in a battery. This electric effect had previously been detected only in crystalline materials that possessed a certain symmetry.

Rand and Fisher found that under the right circumstances and in other types of materials, the light’s magnetic field can also create optical rectification.

“It turns out that the magnetic field starts curving the electrons into a C-shape and they move forward a little each time,” Fisher said. “That C-shape of charge motion generates both an electric dipole and a magnetic dipole. If we can set up many of these in a row in a long fiber, we can make a huge voltage and by extracting that voltage, we can use it as a power source.”

The light must be shone through a material that does not conduct electricity, such as glass. And it must be focused to an intensity of 10 million watts per square centimeter. Sunlight isn’t this intense on its own, but new materials are being sought that would work at lower intensities, Fisher said.

“In our most recent paper, we show that incoherent light like sunlight is theoretically almost as effective in producing charge separation as laser light is,” Fisher said.

This new technique could make solar power cheaper, the researchers say. They predict that with improved materials they could achieve 10 percent efficiency in converting solar power to useable energy. That’s equivalent to today’s commercial-grade solar cells.

“To manufacture modern solar cells, you have to do extensive semiconductor processing,” Fisher said. “All we would need are lenses to focus the light and a fiber to guide it. Glass works for both. It’s already made in bulk, and it doesn’t require as much processing. Transparent ceramics might be even better.”

In experiments this summer, the researchers will work on harnessing this power with laser light, and then with sunlight.

The paper is titled “Optically-induced charge separation and terahertz emission in unbiased dielectrics.” The university is pursuing patent protection for the intellectual property.

Provided by University of Michigan (news : web)
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Old 04-15-2011, 01:40 PM   #2406
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Are these guys posters on this board?
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Old 04-16-2011, 09:06 AM   #2407
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! Maybe!!!

I've been observing humans lately. Very interesting.

Just interesting in how tribes and clans operate. Interesting to see how some of our animal side resides in our behaviours. While this doesn't mean it's all a negative, i've seen lots of good...and the potential.

Want to know who is in charge at work?

Don't look for titles...watch and you'll see who is in charge.
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Old 04-16-2011, 10:26 AM   #2408
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Originally Posted by alkemical View Post
http://www.physorg.com/news/2011-04-...-magnetic.html

Solar power without solar cells: A hidden magnetic effect of light could make it possible

(PhysOrg.com) -- A dramatic and surprising magnetic effect of light discovered by University of Michigan researchers could lead to solar power without traditional semiconductor-based solar cells.

The researchers found a way to make an “optical battery,” said Stephen Rand, a professor in the departments of Electrical Engineering and Computer Science, Physics and Applied Physics.

In the process, they overturned a century-old tenet of physics.

“You could stare at the equations of motion all day and you will not see this possibility. We’ve all been taught that this doesn’t happen,” said Rand, an author of a paper on the work published in the Journal of Applied Physics. “It’s a very odd interaction. That’s why it’s been overlooked for more than 100 years.”

Light has electric and magnetic components. Until now, scientists thought the effects of the magnetic field were so weak that they could be ignored. What Rand and his colleagues found is that at the right intensity, when light is traveling through a material that does not conduct electricity, the light field can generate magnetic effects that are 100 million times stronger than previously expected. Under these circumstances, the magnetic effects develop strength equivalent to a strong electric effect.

“This could lead to a new kind of solar cell without semiconductors and without absorption to produce charge separation,” Rand said. “In solar cells, the light goes into a material, gets absorbed and creates heat. Here, we expect to have a very low heat load. Instead of the light being absorbed, energy is stored in the magnetic moment. Intense magnetization can be induced by intense light and then it is ultimately capable of providing a capacitive power source.”

What makes this possible is a previously undetected brand of “optical rectification,” says William Fisher, a doctoral student in applied physics. In traditional optical rectification, light’s electric field causes a charge separation, or a pulling apart of the positive and negative charges in a material. This sets up a voltage, similar to that in a battery. This electric effect had previously been detected only in crystalline materials that possessed a certain symmetry.

Rand and Fisher found that under the right circumstances and in other types of materials, the light’s magnetic field can also create optical rectification.

“It turns out that the magnetic field starts curving the electrons into a C-shape and they move forward a little each time,” Fisher said. “That C-shape of charge motion generates both an electric dipole and a magnetic dipole. If we can set up many of these in a row in a long fiber, we can make a huge voltage and by extracting that voltage, we can use it as a power source.”

The light must be shone through a material that does not conduct electricity, such as glass. And it must be focused to an intensity of 10 million watts per square centimeter. Sunlight isn’t this intense on its own, but new materials are being sought that would work at lower intensities, Fisher said.

“In our most recent paper, we show that incoherent light like sunlight is theoretically almost as effective in producing charge separation as laser light is,” Fisher said.

This new technique could make solar power cheaper, the researchers say. They predict that with improved materials they could achieve 10 percent efficiency in converting solar power to useable energy. That’s equivalent to today’s commercial-grade solar cells.

“To manufacture modern solar cells, you have to do extensive semiconductor processing,” Fisher said. “All we would need are lenses to focus the light and a fiber to guide it. Glass works for both. It’s already made in bulk, and it doesn't require as much processing. Transparent ceramics might be even better.”

In experiments this summer, the researchers will work on harnessing this power with laser light, and then with sunlight.

The paper is titled “Optically-induced charge separation and terahertz emission in unbiased dielectrics.” The university is pursuing patent protection for the intellectual property.

Provided by University of Michigan (news : web)
Very, very cool stuff.
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Old 04-18-2011, 06:29 AM   #2409
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I wonder if this is some of the "zero point" energy that was spoken of.
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Old 04-18-2011, 07:17 AM   #2410
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http://www.engadget.com/2011/04/18/f...ens-door-to-u/

Science
First light wave quantum teleportation achieved, opens door to ultra fast data transmission
By Richard Lai posted Apr 18th 2011 8:33AM




Mark this day, folks, because the brainiacs have finally made a breakthrough in quantum teleportation: a team of scientists from Australia and Japan have successfully transferred a complex set of quantum data in light form. You see, previously researchers had struggled with slow performance or loss of information, but with full transmission integrity achieved -- as in blocks of qubits being destroyed in one place but instantaneously resurrected in another, without affecting their superpositions -- we're now one huge step closer to secure, high-speed quantum communication. Needless to say, this will also be a big boost for the development of powerful quantum computing, and combine that with a more bedroom friendly version of the above teleporter, we'll eventually have ourselves the best LAN party ever.
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sourceUniversity of New South Wales
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Old 04-18-2011, 08:34 AM   #2411
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http://www.engadget.com/2011/04/18/f...ens-door-to-u/

Science
First light wave quantum teleportation achieved, opens door to ultra fast data transmission
By Richard Lai posted Apr 18th 2011 8:33AM




Mark this day, folks, because the brainiacs have finally made a breakthrough in quantum teleportation: a team of scientists from Australia and Japan have successfully transferred a complex set of quantum data in light form. You see, previously researchers had struggled with slow performance or loss of information, but with full transmission integrity achieved -- as in blocks of qubits being destroyed in one place but instantaneously resurrected in another, without affecting their superpositions -- we're now one huge step closer to secure, high-speed quantum communication. Needless to say, this will also be a big boost for the development of powerful quantum computing, and combine that with a more bedroom friendly version of the above teleporter, we'll eventually have ourselves the best LAN party ever.
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sourceUniversity of New South Wales
This will be viable in just a few years now. They just need to plug everything together.
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Old 04-18-2011, 08:59 AM   #2412
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I wonder if this is some of the "zero point" energy that was spoken of.
Doesn't seem related, the zero point energy is the lowest energy a particle can have in vacuum, from quantum mechanics that energy can be calculated and it turns out it is not 0, but slightly above 0. Some people have suggested that if we could get particles in the lowest energy state and have them interact and impart their non-0 energy to other particles they would have to still keep an energy above 0, and that idea could be provided by a mechanism not yet known but possibly infinite which would allow for a sustainable energy supply.

As best as I can work out the idea of zero point energy utilization is nonsense.
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Old 04-18-2011, 09:00 AM   #2413
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http://www.engadget.com/2011/04/18/f...ens-door-to-u/

Science
First light wave quantum teleportation achieved, opens door to ultra fast data transmission
By Richard Lai posted Apr 18th 2011 8:33AM




Mark this day, folks, because the brainiacs have finally made a breakthrough in quantum teleportation: a team of scientists from Australia and Japan have successfully transferred a complex set of quantum data in light form. You see, previously researchers had struggled with slow performance or loss of information, but with full transmission integrity achieved -- as in blocks of qubits being destroyed in one place but instantaneously resurrected in another, without affecting their superpositions -- we're now one huge step closer to secure, high-speed quantum communication. Needless to say, this will also be a big boost for the development of powerful quantum computing, and combine that with a more bedroom friendly version of the above teleporter, we'll eventually have ourselves the best LAN party ever.
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sourceUniversity of New South Wales
I love these optic experiments, it is like a model train set.
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Old 04-18-2011, 09:23 AM   #2414
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Doesn't seem related, the zero point energy is the lowest energy a particle can have in vacuum, from quantum mechanics that energy can be calculated and it turns out it is not 0, but slightly above 0. Some people have suggested that if we could get particles in the lowest energy state and have them interact and impart their non-0 energy to other particles they would have to still keep an energy above 0, and that idea could be provided by a mechanism not yet known but possibly infinite which would allow for a sustainable energy supply.

As best as I can work out the idea of zero point energy utilization is nonsense.
Very interesting.

I wasn't sure if this magnetic property would be included in the energy that scientists were hunting for an "energy" field that could be tapped into.
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Old 04-19-2011, 07:01 AM   #2415
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http://www.dailymail.co.uk/sciencete...#ixzz1Jv6OTOBm

A new Clockwork Orange? The marketing gadget that tracks brainwaves as you watch TV

Would you feel comfortable if market researchers could know your every thought?

A headband designed by San Francisco firm EmSense can sense your brainwaves as you have reactions to watching something and then record the data for researchers.

The process of measuring your reaction to something is known as ‘quantitative neurometrics’ and it can be carried out as you watch a computer or television screen.



The firm is launching its ‘in-home’ research panel employing the EmBand monitoring technology in an attempt to get better feedback on emotional responses.

The EmBand can also measure how much attention you are paying, or your ‘cognitive engagement’, by measuring brainwave activity, reported technology site Venture Beat.


More...

Taking it very easy: The 'mobile armchair' that can be reclined and driven using a Kinect motion controller

The firm does studies by asking respondents to voluntarily share their information.

This has been compared to the controversial 1971 film A Clockwork Orange, where authorities try to psychologically modify the behaviour of a teenage thug.

But the big difference with EmSense is that the test subjects are volunteers.



It says market research firms want to measure emotional responses more accurately to get better reactions to advertising, creative concepts, packaging and shopping.

EmSense ships the user a kit with an EmBand wireless headset and a wireless receiver for use with his or her PC computer, directing them to a specific web page.

The firm, which has 80 employees, was founded by technologists from Hewlett-Packard and the Massachusetts Institute of Technology in 2004.

It has tested more than 100,000 respondents in 25 countries, reported Venture Beat.
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Old 04-19-2011, 07:07 AM   #2416
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Inspiration: Backyard Escapes





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Old 04-19-2011, 07:12 AM   #2417
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http://www.kurzweilai.net/nanotech-f...e-regeneration

Nanotech for tissue regeneration
April 18, 2011 by Editor

Researchers have developed new nanotechnologies for wound healing and blood-vessel tissue, and have determined how ribosomes insert a growing protein into a cellular membrane.


Nanofiber Sphere


Nanofiber spheres carry cells into wounds to grow tissue (credit: Peter Ma)

Nanofiber spheres for wound healing

Scientists at the University of Michigan have made star-shaped, biodegradable polymers that can self-assemble into hollow, nanofiber spheres that biodegrade when injected with cells into wounds, while the cells live on to form new tissue.

The nanofibrous hollow spheres are combined with cells and then injected into the wound. The nanofiber spheres are slightly bigger than the cells they carry.

The cells start growing easily in the wound because the nanofiber spheres provide an environment in which the cells naturally thrive.

During testing, the nanofiber repair group grew as much as three to four times more tissue than the control group.

Regenerating blood supply

Researchers at The University of Western Ontario have discovered a strategy for stimulating the formation of highly functional new blood vessels in tissues that are starved of oxygen.

The researchers developed a strategy in which fibroblast growth factor 9 (FGF9) is delivered at the same time that the body is making its own effort at forming new blood vessels in vulnerable or damaged tissue.

The result is that an otherwise unsuccessful attempt at regenerating a blood supply becomes a successful one.

How ribosomes insert membranes into cells
Membrane Protein


Cryogenic electron microscope images were used to construct an atom-by-atom model of the system that threads a growing protein into a cellular membrane (credit: L. Brian Stauffer)

Computational theoretical scientists at the University of Illinois and experimental scientists at University of Munich have provided the first detailed atom-by-atom view of the elaborate chemical and mechanical interactions that allow the ribosome to insert a growing protein into a cellular membrane.

The first study used cryo-electron microscopy to image one moment in the insertion process. The researchers were able to get a picture of how the ribosome, membrane, membrane channel, and newly forming protein come together to complete the insertion process.

They found that regions of the membrane channel actually reach into the ribosome to help funnel the emerging protein into the channel. Depending on the type of protein being built, the channel will thread it all the way through the membrane to secrete it or open a “side door” that directs the growing protein into the interior of the membrane.

In the second study, the researchers found that proteins get inserted into the membrane in two stages. First, the ribosome “pushes” the growing protein into the membrane channel, and then, in a second step, the protein enters the membrane.

Ref.: The University of Michigan work is scheduled for advanced online publication in Nature Materials

Ref.: Klaus Schulten et al., Cryo-EM structure of the ribosome-SecYE complex in the membrane environment, Nature Structural & Molecular Biology, 2011

Ref.: Klaus Schulten et al., Free-energy cost for translocon-assisted insertion of membrane proteins, PNAS, February 11, 2011

Ref.: J. Geoffrey Pickering et al., Fibroblast growth factor 9 delivery during angiogenesis produces durable, vasoresponsive microvessels wrapped by smooth muscle cells, Nature Biotechnology, April 17, 2011
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Old 04-19-2011, 07:43 AM   #2418
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I wonder if this is some of the "zero point" energy that was spoken of.
Check this out


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Old 04-19-2011, 12:32 PM   #2419
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http://www.cnn.com/2011/TRAVEL/04/15...ners.complain/

TSA security looks at people who complain about ... TSA security

CNN has obtained a list of roughly 70 "behavioral indicators" that TSA behavior detection officers use to identify potentially "high risk" passengers at the nation's airports.

Many of the indicators, as characterized in open government reports, are behaviors and appearances that may be indicative of stress, fear or deception. None of them, as the TSA has long said, refer to or suggest race, religion or ethnicity.

But one addresses passengers' attitudes towards security, and how they express those attitudes.

It reads: "Very arrogant and expresses contempt against airport passenger procedures."

TSA officials declined to comment on the list of indicators, but said that no single indicator, taken by itself, is ever used to identify travelers as potentially high-risk passengers. Travelers must exhibit several indicators before behavior detection officers steer them to more thorough screening.

But a civil liberties organization said the list should not include behavior relating to the expression of opinions, even arrogant expressions of opinion.

"Expressing your contempt about airport procedures -- that's a First Amendment-protected right," said Michael German, a former FBI agent who now works as legal counsel for the American Civil Liberties Union. "We all have the right to express our views, and particularly in a situation where the government is demanding the ability to search you."

"It's circular reasoning where, you know, I'm going to ask someone to surrender their rights; if they refuse, that's evidence that I need to take their rights away from them. And it's simply inappropriate," he said.

The TSA says its security programs are informed by real-world situations and intelligence. Indeed, the immigration agent who refused to let the alleged "20th hijacker" into the United States in 2001 later testified that the man's arrogant behavior contributed to his suspicions.




h......

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Old 04-19-2011, 12:50 PM   #2420
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http://www.economist.com/node/185605...ry_id=18560525

Who wants to be a triple trillionaire?
Window-shopping with China’s central bank

Last week, the state-controlled Chinese Central Bank released figures indicating the country now holds over $3 trillion dollars in foreign-exchange reserves. The Economist has some interesting ideas on what the bank could buy if it were ever inclined to shop around for sexy investments, rather than squirrel money away on stodgy foreign currency.

The fictional-but-still-realistic shopping list includes:

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Old 04-19-2011, 01:32 PM   #2421
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http://www.usatoday.com/money/smallb...or-farming.htm

Told ya guys it's the future...
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Old 04-20-2011, 06:07 AM   #2422
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http://www.thenewspaper.com/news/34/3458.asp

Michigan: Police Search Cell Phones During Traffic Stops
ACLU seeks information on Michigan program that allows cops to download information from smart phones belonging to stopped motorists.

CelleBriteThe Michigan State Police have a high-tech mobile forensics device that can be used to extract information from cell phones belonging to motorists stopped for minor traffic violations. The American Civil Liberties Union (ACLU) of Michigan last Wednesday demanded that state officials stop stonewalling freedom of information requests for information on the program.

ACLU learned that the police had acquired the cell phone scanning devices and in August 2008 filed an official request for records on the program, including logs of how the devices were used. The state police responded by saying they would provide the information only in return for a payment of $544,680. The ACLU found the charge outrageous.

"Law enforcement officers are known, on occasion, to encourage citizens to cooperate if they have nothing to hide," ACLU staff attorney Mark P. Fancher wrote. "No less should be expected of law enforcement, and the Michigan State Police should be willing to assuage concerns that these powerful extraction devices are being used illegally by honoring our requests for cooperation and disclosure."

A US Department of Justice test of the CelleBrite UFED used by Michigan police found the device could grab all of the photos and video off of an iPhone within one-and-a-half minutes. The device works with 3000 different phone models and can even defeat password protections.

"Complete extraction of existing, hidden, and deleted phone data, including call history, text messages, contacts, images, and geotags," a CelleBrite brochure explains regarding the device's capabilities. "The Physical Analyzer allows visualization of both existing and deleted locations on Google Earth. In addition, location information from GPS devices and image geotags can be mapped on Google Maps."

The ACLU is concerned that these powerful capabilities are being quietly used to bypass Fourth Amendment protections against unreasonable searches.
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Old 04-20-2011, 07:16 AM   #2423
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http://www.disinfo.com/2011/04/state...factory-farms/

States To Outlaw Undercover Photos And Videos Of Factory Farms

Posted by JacobSloan on April 19, 2011

4944283870_202e5923c1A bill before the Iowa legislature would make it a crime to produce, distribute or possess photos and video taken without permission at an agricultural facility.

In Iowa, Florida, and Minnesota, laws are in the works to criminalize the documenting of animal cruelty and health violations in factory farming. With activists nosing around, “people are scared to death that they might be found in a compromising position,” [says the] president of the Iowa Farm Bureau — it’s about “making producers feel more comfortable.” The New York Times reports:

Undercover videos showing grainy, sometimes shocking images of sick or injured livestock have become a favorite tool of animal rights organizations to expose what they consider illegal or inhumane treatment of animals.

Made by animal rights advocates posing as farm workers, such videos have prompted meat recalls, slaughterhouse closings, criminal convictions of employees and apologies from corporate executives assuring that the offending images are an aberration.

In Iowa, where agriculture is a dominant force both economically and politically, such undercover investigations could soon be illegal.

Similar legislation is being considered in Florida and Minnesota, part of a broader effort by large agricultural companies to pre-emptively block the kind of investigations that have left their operations uncomfortably — and unpredictably — open to scrutiny.
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Old 04-20-2011, 07:20 AM   #2424
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https://www.nytimes.com/2011/04/17/m...pagewanted=all

Is Sugar Toxic?

Gary "Big Fat Lie" Taubes wrote a long feature for the NYT Magazine analyzing the claims made by UCSF childhood obesity expert Robert H. Lustig in his infamous lecture Sugar: The Bitter Truth , which has gotten about a million YouTube views (it's also had other exposure: I watched it last year on UC cable access while in LA).

Lustig claims that sugar is a "chronic toxin" -- a poison that will make you sick if you eat it for long enough -- and he blames it for everything from cancer to heart disease. Taubes traces the history of this theory about sugar through the past century, and concludes that while not conclusive, the evidence is worrying. I've tried to eliminate sugar from my diet with varying success since 2003, when I did a year of "strict Atkins" and lost 80 lbs, most of which I've kept off since by avoiding processed carbs where possible. I find that eating a little sugar (or high-carb food like bread) generally leads to cravings for a lot more, which means that slight slips tend to snowball.

Lustig's argument, however, is not about the consumption of empty calories -- and biochemists have made the same case previously, though not so publicly. It is that sugar has unique characteristics, specifically in the way the human body metabolizes the fructose in it, that may make it singularly harmful, at least if consumed in sufficient quantities.

The phrase Lustig uses when he describes this concept is "isocaloric but not isometabolic." This means we can eat 100 calories of glucose (from a potato or bread or other starch) or 100 calories of sugar (half glucose and half fructose), and they will be metabolized differently and have a different effect on the body. The calories are the same, but the metabolic consequences are quite different.

The fructose component of sugar and H.F.C.S. is metabolized primarily by the liver, while the glucose from sugar and starches is metabolized by every cell in the body. Consuming sugar (fructose and glucose) means more work for the liver than if you consumed the same number of calories of starch (glucose). And if you take that sugar in liquid form -- soda or fruit juices -- the fructose and glucose will hit the liver more quickly than if you consume them, say, in an apple (or several apples, to get what researchers would call the equivalent dose of sugar). The speed with which the liver has to do its work will also affect how it metabolizes the fructose and glucose.
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Old 04-20-2011, 07:30 AM   #2425
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http://www.redicecreations.com/article.php?id=15014


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Every human language evolved from ’single prehistoric African mother tongue’

Every language in the world - from English to Mandarin - evolved from a prehistoric ’mother tongue’ first spoken in Africa tens of thousands of years ago, a new study reveals.

After analysing more than 500 languages, Dr Quentin Atkinson found compelling evidence that they can be traced back to a long-forgotten dialect spoken by our Stone Age ancestors.

The findings don’t just pinpoint the origin of language to Africa - they also show that speech evolved at least 100,000 years ago, far earlier than previously thought.
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