Friday, 6 July 2012

Top problems with iPhone 4S, Galaxy S III, other leading phones revealed in new report

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Source: http://news.yahoo.com/top-problems-iphone-4s-galaxy-iii-other-leading-190050894.html

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Thursday, 5 July 2012

London's towering Shard set for launch

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Source: http://news.yahoo.com/londons-towering-shard-set-launch-103925459.html

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Olympus announces MEG4.0 wearable display prototype, skips the skydive

Olympus announces MEG4.0

While Google may have grabbed headlines for its recent wearable tech, Olympus is doggedly forging ahead with its own prototypes, seven years on. Unlike Project Glass, the MEG4.0 isn't a standalone structure and needs a glasses frame to hang on, although the sub-30g unit shouldn't tax it too much. The QVGA (320 x 240) display can connect to devices through Bluetooth 2.1, with Olympus pointing to a smartphone hook-up to provide both the processing power and internet connectivity -- which sounds different to what we're expecting from Google's effort. The current prototype can squeeze out eight hours of intermittent use, or two hours of non-stop projection. While the device is being pitched at everyday users, Olympus aren't offering any suggestion at launch dates or pricing, but you can check on what the company is willing to share in the (Google-translated) press release below.

Continue reading Olympus announces MEG4.0 wearable display prototype, skips the skydive

Olympus announces MEG4.0 wearable display prototype, skips the skydive originally appeared on Engadget on Thu, 05 Jul 2012 08:01:00 EDT. Please see our terms for use of feeds.

Permalink Akihabara News  |  sourceOlympus Japan (translated)  | Email this | Comments

Source: http://www.engadget.com/2012/07/05/olympus-announces-meg4-0-wearable-display-prototype-skips-the-s/

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Toward a better understanding of earthquakes

Toward a better understanding of earthquakes [ Back to EurekAlert! ] Public release date: 5-Jul-2012
[ | E-mail | Share Share ]

Contact: Monika Landgraf
presse@kit.edu
49-721-608-47414
Helmholtz Association of German Research Centres

KIT geophysicists study tectonic tremor on the San Andreas Fault in California

This release is available in German.

The earth is shaken daily by strong earthquakes recorded by a number of seismic stations worldwide. Tectonic tremor, however, is a new type of seismic signal that seismologist started studying only within the last few years. Tremor is less hazardous than earthquakes and occurs at greater depth. The link between tremor and earthquakes may provide clues about the more destructive earthquakes that occur at shallower depths. Geophysicists of Karlsruhe Institute of Technology (KIT) collected seismic data of tectonic tremor in California. These data are now being evaluated in order to better understand this new seismic phenomenon.

About a decade ago, researchers discovered a previously unknown seismic signal, now referred to as tectonic tremor. Contrary to earthquakes, tectonic tremor causes relatively weak ground shaking. While tremor may last longer than earthquakes, it does not cause any direct danger. "Both earthquakes and tremor have the same cause. They result from the relative movement on fault surfaces, a result of the motion of the tectonic plates," explains seismologist Dr. Rebecca Harrington, who heads a research group at KIT. "While earthquakes at our research site in California typically occur at depths of up to 15 km below the surface, tectonic tremor signals are generated at depths ranging from approximately 15 to 35 km."

Tectonic tremor was first detected a decade ago in subduction zones in Japan and in the Pacific Northwest in North America. Since then, seismologists have discovered that tremor occurs in many other places, including the San Andreas fault in California. The San Andreas fault marks the boundary where the Pacific Plate and the North American plate drift past each other, generating many earthquakes in the process. KIT researchers have collected new seismic data recording tremor closer to where it occurs than the seismic stations currently installed near Cholame. In mid-2010, KIT researchers, together with scientists of the University of California, Riverside, and the US Geological Survey, Pasadena, installed 13 seismic stations near Cholame, located approximately halfway between San Francisco and Los Angeles. Each seismic station was equipped with a broadband seismometer in a thermally insulated hole in the ground, a small computer, and a solar panel for power. Broadband seismometers are extremely sensitive to small ground motions, are therefore ideal for detecting tremor and small earthquakes. The data recorded over a period of 14 months are presently being analyzed at KIT.

Tectonic tremor signals have a unique character that differs from earthquakes, making them more difficult to detect using automated techniques. In order to address the detection problem, the KIT researchers first developed a new algorithm for the automatic isolation of tectonic tremor. Using their new technique, they found over 2600 tremor events that are now being studied in detail. "In addition to detecting tremor, we will determine their size or magnitude of the individual events. In order to do so, each of the tremor events must be precisely located," says Rebecca Harrington. Additionally, KIT geophysicists compare the tremor and earthquake recordings in California with earthquake recordings at Mount St. Helens volcano, located in the Cascadia subduction zone, located to north of California, in the US state of Washington. A volcano eruption from 2004-2008 produced a series of earthquakes on newly formed faults, where the scientists of the US Geological Survey collect data that are also made available to Rebecca Harrington.

Seismology is still a long way from being able to predict earthquakes. However, seismologists can better estimate the danger posed by earthquakes by understanding what happens on a fault during a seismic event. According to Rebecca Harrington, research of tectonic tremor may play an important role understanding fault behavior. "We understand very little about what happens on a fault when it ruptures. The tectonic tremor generated on the deep part of a fault may provide clues about the behavior on the more shallow parts of a fault where more damaging earthquakes occur."

###

The KIT Climate and Environment Center develops strategies and technologies to secure the natural bases of life. For this purpose, 660 employees of 32 institutes produce fundamental and application-oriented knowledge relating to climate and environmental change. It is not only aimed at eliminating the causes of environmental problems, but increasingly at adapting to changed conditions.

Karlsruhe Institute of Technology (KIT) is a public corporation according to the legislation of the state of Baden-Wrttemberg. It fulfills the mission of a university and the mission of a national research center of the Helmholtz Association. KIT focuses on a knowledge triangle that links the tasks of research, teaching, and innovation.

This press release is available on the internet at www.kit.edu.

The photo of printing quality may be downloaded under www.kit.edu or requested by mail to presse@kit.edu or phone +49 721 608-4 7414. The photo may be used in the context given above exclusively.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Toward a better understanding of earthquakes [ Back to EurekAlert! ] Public release date: 5-Jul-2012
[ | E-mail | Share Share ]

Contact: Monika Landgraf
presse@kit.edu
49-721-608-47414
Helmholtz Association of German Research Centres

KIT geophysicists study tectonic tremor on the San Andreas Fault in California

This release is available in German.

The earth is shaken daily by strong earthquakes recorded by a number of seismic stations worldwide. Tectonic tremor, however, is a new type of seismic signal that seismologist started studying only within the last few years. Tremor is less hazardous than earthquakes and occurs at greater depth. The link between tremor and earthquakes may provide clues about the more destructive earthquakes that occur at shallower depths. Geophysicists of Karlsruhe Institute of Technology (KIT) collected seismic data of tectonic tremor in California. These data are now being evaluated in order to better understand this new seismic phenomenon.

About a decade ago, researchers discovered a previously unknown seismic signal, now referred to as tectonic tremor. Contrary to earthquakes, tectonic tremor causes relatively weak ground shaking. While tremor may last longer than earthquakes, it does not cause any direct danger. "Both earthquakes and tremor have the same cause. They result from the relative movement on fault surfaces, a result of the motion of the tectonic plates," explains seismologist Dr. Rebecca Harrington, who heads a research group at KIT. "While earthquakes at our research site in California typically occur at depths of up to 15 km below the surface, tectonic tremor signals are generated at depths ranging from approximately 15 to 35 km."

Tectonic tremor was first detected a decade ago in subduction zones in Japan and in the Pacific Northwest in North America. Since then, seismologists have discovered that tremor occurs in many other places, including the San Andreas fault in California. The San Andreas fault marks the boundary where the Pacific Plate and the North American plate drift past each other, generating many earthquakes in the process. KIT researchers have collected new seismic data recording tremor closer to where it occurs than the seismic stations currently installed near Cholame. In mid-2010, KIT researchers, together with scientists of the University of California, Riverside, and the US Geological Survey, Pasadena, installed 13 seismic stations near Cholame, located approximately halfway between San Francisco and Los Angeles. Each seismic station was equipped with a broadband seismometer in a thermally insulated hole in the ground, a small computer, and a solar panel for power. Broadband seismometers are extremely sensitive to small ground motions, are therefore ideal for detecting tremor and small earthquakes. The data recorded over a period of 14 months are presently being analyzed at KIT.

Tectonic tremor signals have a unique character that differs from earthquakes, making them more difficult to detect using automated techniques. In order to address the detection problem, the KIT researchers first developed a new algorithm for the automatic isolation of tectonic tremor. Using their new technique, they found over 2600 tremor events that are now being studied in detail. "In addition to detecting tremor, we will determine their size or magnitude of the individual events. In order to do so, each of the tremor events must be precisely located," says Rebecca Harrington. Additionally, KIT geophysicists compare the tremor and earthquake recordings in California with earthquake recordings at Mount St. Helens volcano, located in the Cascadia subduction zone, located to north of California, in the US state of Washington. A volcano eruption from 2004-2008 produced a series of earthquakes on newly formed faults, where the scientists of the US Geological Survey collect data that are also made available to Rebecca Harrington.

Seismology is still a long way from being able to predict earthquakes. However, seismologists can better estimate the danger posed by earthquakes by understanding what happens on a fault during a seismic event. According to Rebecca Harrington, research of tectonic tremor may play an important role understanding fault behavior. "We understand very little about what happens on a fault when it ruptures. The tectonic tremor generated on the deep part of a fault may provide clues about the behavior on the more shallow parts of a fault where more damaging earthquakes occur."

###

The KIT Climate and Environment Center develops strategies and technologies to secure the natural bases of life. For this purpose, 660 employees of 32 institutes produce fundamental and application-oriented knowledge relating to climate and environmental change. It is not only aimed at eliminating the causes of environmental problems, but increasingly at adapting to changed conditions.

Karlsruhe Institute of Technology (KIT) is a public corporation according to the legislation of the state of Baden-Wrttemberg. It fulfills the mission of a university and the mission of a national research center of the Helmholtz Association. KIT focuses on a knowledge triangle that links the tasks of research, teaching, and innovation.

This press release is available on the internet at www.kit.edu.

The photo of printing quality may be downloaded under www.kit.edu or requested by mail to presse@kit.edu or phone +49 721 608-4 7414. The photo may be used in the context given above exclusively.


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2012-07/haog-tab070512.php

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Rumor: Twitter To Acquire Sense Networks To Better Target Local Ads

sense-networks-2008-logoA good source tells me that Twitter is set to make its sixth acquisition of 2012 with NY-based Sense Networks. Terms of the deal are still under wraps but it is expected to go through this month. Twitter declined to comment. Sense Networks was founded in 2003 and in 2006 launched MacroSense, which the company says "turns massive amounts of mobile location data into actionable, predictive behavioral data." What that means is Sense not only collects location data from mobile devices when shared but also takes that data and creates a unique behavioral user profile to serve ads that users would find useful.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/H3IS8lpdsg4/

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Wednesday, 4 July 2012

Implantable Devices Could Detect and Halt Epileptic Seizures

epilepsy,seizure,implant,brainSTIMULATING: A new generation of implantable "closed-loop" devices are designed to monitor the seizure focus, detect patterns of electrical activity that indicate a seizure is beginning, and quickly respond without external intervention. Image: Courtesy of Henrik Jonsson, via iStockphoto.com

Epilepsy affects some 2.7 million Americans?more than Parkinson?s disease, multiple sclerosis and amyotrophic lateral sclerosis (Lou Gehrig's disease) combined. More than half of patients can achieve seizure control with treatment, yet almost a third of people with epilepsy have a refractory form of the disease that does not respond well to existing antiepileptic drugs. Nor are these patients typically helped by the one implanted device?Cyberonics' Vagus Nerve Stimulator (VNS)?that has had U.S. Food and Drug Administration approval for treatment of epilepsy since 1997.

Because epilepsy causes repeated, sudden seizures, people with the condition would benefit greatly from a therapy that can detect seizures just as they are starting or, eventually, predict them before they begin and prevent them from happening. A new generation of implantable devices is looking to pick up where medications?and even the VNS?often leave off, at least for people whose seizures routinely begin in one part of the brain (the seizure focus). "Closed-loop" devices are designed to monitor the seizure focus, detect patterns of electrical activity that indicate a seizure is beginning, and quickly respond without external intervention. Such responses could include electrical stimulation, cooling or focused drug delivery?all meant to interrupt the activity and stop the seizure.

Closed-loop devices are considered a new frontier in epilepsy treatment because of their responsiveness. By comparison, the VNS is an open-loop device that stimulates the vagus nerve?a pair of nerves running from the brain stem to the abdomen?to deliver mild electrical pulses (which mitigate the electrical activity of seizures) to the brain on a consistent schedule rather than in response to detected seizure activity. The concept of a closed-loop device for epilepsy comes out of the cardiac world, jumping off from implanted defibrillators that monitor the heart and deliver stimulation in response to an event.

Responsive neurostimulation
So far, only one closed-loop device has reached human trials: NeuroPace's Responsive Neurostimulation System (RNS), an electrical-stimulation implant with two leads, each containing four electrodes, placed in the brain at the seizure focus. The RNS detects electrical activity that denotes the start of a seizure and delivers direct electrical stimulation to interrupt the activity and normalize the area. The device is surgically positioned in a section of the skull, can be accessed via outpatient surgery when the battery has to be changed, and is imperceptible to the patient and others?all strong design advantages for patients and doctors. The implant, which is now seeking FDA approval, also records information on electrical activity in the brain throughout the day for later review. The RNS has a laptop-based wand interface for remote patient monitoring.

Results of the RNS trials, which tested the implant in conjunction with medications, have been mixed: seizure frequency was reduced by about half in approximately 50 percent of patients. "For a patient to go though permanent implanting of the device on the skull, and electrodes over the brain, which is what is needed for RNS, you'd want it to eliminate most or all seizures, which isn't the result in most patients," says John Miller, director of the University of Washington School of Medicine's Regional Epilepsy Center at Harborview in Seattle. Possible ways to improve the device's effectiveness, Miller says, could include refining patient selection, improving electrode placement or honing the RNS's detection process so that it can pick up seizure activity earlier.

Work in closed-loop electrical stimulation is also happening at Boston?s Center for Integration of Medicine and Innovative Technology, where researchers are effectively attempting to turn the VNS into a closed-loop device by developing a nonimplanted add-on system to detect early seizure activity and automatically fire the VNS in response. The VNS comes with a therapy magnet wristband that allows wearers to stimulate the device if they feel a seizure coming on (a sensation called an aura), but not everyone is physically able to do so once the aura begins. The CIMIT system automates the process, activating the VNS once the start of a seizure is detected through electroencephalogram and electrocardiogram readings.

Cool it
Another key area of closed-loop research is focal cooling. Here, an implant?after detecting the onset of a seizure by sensing a rise in brain temperature at the seizure focus, which may slightly precede the start of abnormal electrical activity?rapidly cools the involved region to halt the event. The warming associated with the seizure focus makes thermal detection and cooling a potentially promising technique. One center of focal cooling research is the University of Kansas Medical Center, where Ivan Osorio, professor of neurology, has collaborated with an international research partnership to design a prototype implant with funding from the U.S. Department of Energy. Work on cooling is also in progress at other sites, including Yale University and the University of Minnesota.


Source: http://rss.sciam.com/click.phdo?i=018fb2653f87656cc3bfd7bdf6d3fca6

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Tuesday, 3 July 2012