MRI, solar cells, aging work are Nobel favorites Sep 26, 2009
Physics contenders include John Pendry of Imperial College of Science and Technology in London, Sheldon Schultz of the University of California San Diego and David Smith of Duke University, whose work using negative refraction led to meta-materials, used to make "invisibility cloaks" to deflect various wavelengths of electromagnetic radiation. Juan Ignacio Cirac of the Max Planck Institute for Quantum Optics in Garching, Germany, and colleagues are noted for work has making possible quantum... (MSNBC -- Technology)
Texas towers feared for unsafe radiation Sep 23, 2009
The electromagnetic radiation emitted by the antennas is analogous to microwave radiation, Boyd said, which does not have to be thermal or heated. "It contributes to brain and eye cancer, sterilization, tumor growth...horrible conditions you don't even want to think about," Boyd said. (Bandera Bulletin, TX)
Limit children's use of mobile phones - Scientists Sep 23, 2009
While some studies say electromagnetic radiation from mobile phones could cause cancers and brain tumours, others suggest the environmental factors that cause cancers and tumours were numerous so there is no evidence that singles out radiation from mobile phones particularly. Israeli researcher Siegal Sadetzki said cancers triggered by environmental factors, such as radiation, may take a decade or more to develop. (Ghana Web, Ghana)
Is Cell-Phone Safety Assured? Or Merely Ignored? Sep 22, 2009
Because cell phones emit electromagnetic radiation to make calls, many people worry that radiation can seep into brain tissue, damaging cells and stimulating the growth of tumors ... associate professor Martin Blank, who has studied the effects of electromagnetic radiation waves emitted by devices like cell phones on living cells, doesn't own a cell phone. (BusinessWeek)
New Drake Equation To Quantify Habitability? Sep 21, 2009
Electromagnetic radiation may seem simple to quantify in terms of wavelengths and joules, but there are many things to consider in terms of habitability. For instance, while visible and infrared wavelengths are important for life and processes such as photosynthesis, ultraviolet and X-rays are harmful. (Science Daily)
Researchers Still Uncertain on Cell Safety Sep 15, 2009
As this research becomes public, some well-respected scientists in the fields of cancer research, epidemiology, electrical and computer engineering, and electromagnetic radiation say they see reason for concern, while others say it is much too soon to make judgments ... You get way more electromagnetic radiation by walking around outside in the sunlight ... by tmittelstaed September 14, 2009 2:08 PM EDT "You get way more electromagnetic radiation by walking around outside in the sunlight.". (CBS News)
Surprise In Earth's Upper Atmosphere Discovered Sep 11, 2009
In addition to emitting electromagnetic radiation, the sun emits a stream of ionized particles called the solar wind that affects Earth and other planets in the solar system. (Credit: SOHO image composite by Steele Hill (NASA)). (Science Daily)
$14.6 million Hilo fire department complex OK'd over fears about radio tower Sep 6, 2009
Tiffanie Wang Okuda, a Kukuau Street homeowner, said such towers emit electromagnetic radiation that's been linked to childhood leukemia, breast cancer and autism ... Electromagnetic radiation from radio towers has not been proven to be a health risk, which is why there's no exposure standard, Newton Inouye, the state Department of Health's acting district Environmental Health Program chief, told commissioners. (Honolulu Advertiser)
Kerala: Mobile towers threatening bees Sep 1, 2009
THIRUVANANTHAPURAM: Mobile towers are posing a threat to honey bees in Kerala with electromagnetic radiation from mobile towers and cell phones having the potential to kill worker bees that go out to collect nectar from flowers, says a study. A plunge in beehive population has been reported from different parts of Kerala and if measures are not taken to check mushrooming of mobile powers, bees could be wiped out from Kerala within a decade, environmentalist and Reader in Zoology, Dr Sainudeen... (India Times)
Penetrating insights: NIST airframe tests help ensure better shielding for flight instruments Aug 27, 2009
Recent tests by researchers at the National Institute of Standards and Technology (NIST) will provide much needed, independent data on how electromagnetic radiation penetrates aircraft, helping to ensure continued air travel safety ... The tests are designed to show where and to what extent electromagnetic radiation, across a wide spectrum of frequencies, penetrates a given crafts airframe. (EurekAlert!)
New Zealand's Subduction Zones: To Shake The Earth Just Add Water Aug 21, 2009
Patterns of backscattered electromagnetic radiation from all the stations then were assembled by a computer program to create an image of Earth's crust and upper mantle along a cross section of New Zealand's South Island. The image revealed large amounts of water in different areas and at different depths, which in turn suggested three distinct processes by which the fluid deforms the crust above it and helps pave the way for earthquakes. (Science Daily)
Cloaking Technology May Protect From Natural Disasters Aug 20, 2009
" Building Bigger Shields Experiments conducted by the researchers showed it is possible to cloak something 10 times wider than the 4-inch microwaves that are emitted by radar, raising hopes for cloaking larger objects. So far, the largest object cloaked from microwaves was an inch-wide copper cylinder. "We proved mathematically that this method works when the wavelength of incoming electromagnetic radiation is large compared with the objects being cloaked, meaning it can cloak very small... (Fox News)
Active invisibility cloaks could work at many wavelengths Aug 19, 2009
Active cloaks, on the other hand, monitor the incoming waveforms composed of multiple frequencies, then produce a canceling signal that prevents the electromagnetic radiation from reaching the cloaked object. Outgoing radiation on the far side of the object is then reconstructed to make it appear as if the waves traveled unobstructed through the cloaked area. (EETimes)
UGA, UPR grant license for long-persistence glow materials, in any color Aug 18, 2009
PI is a privately held small business employing 27 engineers, scientists, technicians and administrators possessing core competencies in coating technology, polymer chemistry, imaging chemistry, image science, optics interactions of matter with electromagnetic radiation, and molecular engineering for designing imaging systems triggered by a variety of environmental stimuli. For more information regarding Performance Indicator, LLC and its products, please contact Robb J. Osinski, Managing... (EurekAlert! -- Business News)
New hope for intelligent life elsewhere Aug 14, 2009
For example, when a star travels through one of the dense spiral arms of the Milky Way, both its own development and that of its planets could be disrupted by higher levels of interstellar electromagnetic radiation and cosmic rays, due to the higher frequency of star-forming regions and. Slideshow. (MSNBC -- Technology)
Beyond the looking glass Aug 13, 2009
The gateway, which is now much closer to reality, uses transformation optics and an amplified scattering effect from an arrangement of ferrite materials called single-crystal yttrium-iron-garnet that force light and other forms of electromagnetic radiation in complicated directions to create a hidden portal. Previous attempts at an electromagnetic gateway were hindered by their narrow bandwidth, only capturing a small range of visible light or other forms of electromagnetic radiation. (EurekAlert!)
North Africa: African Sun May Light Up European Homes Jul 30, 2009
According to the DLR, "over distances above about 500 to 600 km, underground power cables only cost about 10 to 20 percent more than overhead power lines...(and) do not emit any electromagnetic radiation.". Several environmental activists have welcomed Desertec. (allAfrica.com)
Solar energy in Israel: It's a knockout Jul 29, 2009
But interaction with the nanoparticles turns it into a form of electromagnetic radiation called surface plasmons. These, as their name suggests, propagate over the surface of the glass until they are intercepted by the silicon at its edges. (The Economist)
* Electromagnetic wave levels disputed Jul 28, 2009
Taiwan Electromagnetic Radiation Hazard Protection and Control Association chairwoman Chen Chiao-hwa () said the EPA was considering lowering the standard for sensitive areas from 833mG to 83. 3mG.. (Taipei Times, Taiwan -- World Business)
'Funny People' Jul 27, 2009
" By Susan Wloszczyna Judd Apatow risks possible life-threatening harm simply by going to work. Across the street from the filmmaker's modest office building, among the many taco joints and car-repair shops, is a cellphone tower that emits electromagnetic radiation. "We were told it wasn't a danger," he says, "unless it was at eye level. " As it looms in the window behind his desk, the structure couldn't be more at eye level if he had built it himself. LESLIE MANN: So maybe it isn't too odd that... (USA Today)
The Infrared Sauna Jul 22, 2009
Health and Cosmetic Benefits. Unlike traditional saunas that heat the body indirectly through steam-heated air, infrared saunas use radiant heat energy that is directly absorbed by the body. (Suite101.com)
Radar could save bats from wind turbines Jul 22, 2009
"It may be so sensitive that even a tiny amount of sound caused by electromagnetic radiation is enough to drive them out of there.". Future research can design a radar system optimized at deterring bats. (MSNBC -- Technology)
Testing Relativity, Black Holes In The Lab Jul 21, 2009
Xiang Zhang, a faculty scientist with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and professor at the University of California Berkeley, lead a study in which it was determined that the interactions of light and matter with spacetime, as predicted by general relativity, can be studied using the new breed of artificial optical materials that feature extraordinary abilities to bend light and other forms of electromagnetic radiation ... 15, 2005) Black... (Science Daily)
BridgeWave's Big Shortwave Bet Jul 19, 2009
Physics could help them where it hurt their competitors: At a wavelength of a half-centimeter, electromagnetic radiation causes oxygen molecules in the air to resonate, absorbing the signals' energy. Transmissions wouldn't go far, no more than a mile. (Forbes -- Technology)
• County residentsshare thoughts onGateway West project Jul 10, 2009
As at previous meetings, topics included alternative routes, questions about the process the project is following and what possible effects electromagnetic radiation could have on farm equipment and other property. Idaho Power representatives argued that research hasn't conclusively shown any detrimental effects on human life, though in rare circumstances people can shock themselves on pivots and other equipment. (Burley South Idaho Press, ID)
Super-energetic Bursts Near Giant Black Hole Jul 3, 2009
Though gamma rays are the most energetic form of electromagnetic radiation and radio waves the least energetic, both often arise from the same regions. This was shown clearly when M87's most energetic gamma-ray flares were accompanied by the largest flare of radio waves seen from that galaxy by the VLBA.. (Science Daily)
First Acoustic Metamaterial 'Superlens' Jun 25, 2009
The best tool for tumor detection is still the optical imaging, but exposure to certain types of electromagnetic radiation such as X-rays also has its health risks, Fang noted. If we wish to detect or screen early stage tumors in the human body using acoustic imaging, then better resolution and higher contrast are equally important, he said. (Science Daily)
LOOKING UP: Watch "as the worlds turn" Jun 16, 2009
Highly magnetized, these stars are so compressed that they whirl around in a matter of seconds, and emit beams of electromagnetic radiation from the poles. In contrast, our vast Milky Way Galaxy also spins, whipping its stars and dusty, gaseous nebulae into beautiful spiral arms. (Medfield Press, MA)
* WORLD ENVIRONMENT DAY: Environmentalists unite: groups Jun 6, 2009
Citing examples from battles across the country to fight hazards brought by radiation, Taiwan Electromagnetic Radiation Hazard Protection and Control Association chairwoman Chen Chiao-hwa () said that although only a limited number of protesters participate at each demonstration, the total number of people taking part in the campaign against radiation hazards is quite shocking. The anti-radiation hazard campaign is perhaps the one with most participants and most victims in Taiwans... (Taipei Times, Taiwan -- Sports)
NASA uses satellite to unearth innovation in crop forecasting May 27, 2009
AMSR-E uses varying frequencies to detect the amount of emitted electromagnetic radiation from the Earth's surface. Within the microwave spectrum, this radiation is closely related to the amount of water that is in the soil, allowing researchers to remotely sense the amount of water in the soil across any geographic landscape. (EurekAlert!)
NRL part of multi-national team that launches Herschel Space Observatory May 15, 2009
The Observatory is named after Sir Frederick William Herschel, who discovered at the beginning of the 19th century that there is electromagnetic radiation at wavelengths longer than those visible to the human eye. Herschel placed a thermometer beyond the red part of the spectrum of sunlight dispersed by a prism and observed a rise in temperature due to heating of the thermometer by longer wavelength, infrared radiation. (EurekAlert! -- Business News)
Understanding Stellar Explosions Is Less Straightforward Than Previously Thought May 14, 2009
When it disintegrates, fluorine-18 emits specific electromagnetic radiation that astrophysicists study in order to get a better understanding of what goes on inside nov. "The amount of radiation emitted during the explosion depends on the amount of fluorine-18 present," de Oliveira Santos explains. (Science Daily)
Terahertz Waves Are Effective Probes For Integrated Circuit Heat Barriers May 13, 2009
30, 2007) Modern technology uses many frequencies of electromagnetic radiation for communication, including radio waves, TV signals, microwaves and visible light. Now, a University of Utah study shows how. (Science Daily)
Ghost Hunters Inspect 180-Year-Old Hotel May 12, 2009
Only about 5 percent of the group's investigations can't be explained by electromagnetic radiation, thin walls, faulty wiring, lights from passing cars or other normal explanations, said Rice, who called his investigators not ghost hunters, but ghost debunkers. WCGAPS is booked through July with investigations, mainly in the Southwest. (Fox News)
Ghost hunters inspect 180-year-old Cuchillo site May 11, 2009
Only about 5 percent of the group's investigations can't be explained by electromagnetic radiation, thin walls, faulty wiring, lights from passing cars or other normal explanations, said Andy Rice, who started the group about two years ago after investigating more than 200 supposed hauntings and ghosts over more than 13 years. Rice says his investigators are not ghost hunters, but ghost debunkers. (AZCentral -- News)
Caltech physicists detect entanglement of one photon shared among four locations May 9, 2009
In the Caltech experiment, a pulse of light was generated containing a single photona massless bundle, with both wave-like and particle-like properties, that is the basic unit of electromagnetic radiation. The team split the single photon to generate an entangled state of light in which the quantum amplitudes for the photon propagate among four distinct paths, all at once. (EurekAlert!)
Heinrich Hertz Biography Apr 28, 2009
Thanks to Heinrich Hertz, humankind immensely benefits from electromagnetic radiation that includes radio waves, microwaves, infrared heat and light. Sources. (Suite101.com)
Distant Starbursts Light Up the Sky--We Just Can't See Them Apr 16, 2009
The first results from a balloon-hoisted telescope that floated more than 20 miles (30 kilometers) above Antarctica have shed light on a major source of the celestial background, the electromagnetic radiation both visible and invisible that pervades the universe. The far-infrared background (FIRB), in the mid-1990s , is voluminous if not luminous its many photons have wavelengths much too long to be visible to the human eye. (Scientific American)
The Saga of Permits for Telecom Masts Apr 11, 2009
The nature of the complaints include masts erected without neighbourhood consent; masts close to people's homes and to schools, causing parents to removed their children from those schools; noise, fumes and vibration from generators on cells sites causing respiratory problems and disturbing peoples' sleep; and most of all the health concerns about the emission of non-iodizing and non-ionizing electromagnetic radiation from telecom infrastructure. The public concern about radiation is based on... (Ghana Web, Ghana)
Impeva Labs' Global Sentinel(R) Satellite Tag Receives HERO Certification from the US Department of Defense Mar 30, 2009
March 30 /PRNewswire/ -- Impeva Labs, Inc., the leading supplier of continuous global asset tracking, monitoring and security solutions, announced today that its Global Sentinel(R) Satellite Tag has been awarded Hazards of Electromagnetic Radiation to Ordnance (HERO) certification by the US Department of Defense (DOD). This certification is a requirement for any electromagnetic transmitting device that operates in close proximity to ordnance, and is only given after extensive testing and... (PR Newswire)
Cal, Stanford labs get millions from stimulus Mar 25, 2009
The Advanced Light Source facility yields intense beams of electromagnetic radiation for many crucial experiments, including those involving the study of viruses and other living tissues, efforts to fabricate nanotechnology mechanical devices and computer chips, and to study the basic physics of solid materials. The new money for Berkeley will also go toward building a laser-based accelerator facility to boost the speed of electrically charged particles for experiments exploring the nature of... (San Francisco Chronicle)
Women's Health Linked to Environmen... Mar 22, 2009
" Environmental Triggers WHO cites pollution, workplace hazards, radiation and climate change as chief factors that influence 85 of the 102 categories of diseases listed in the 2004 World Health Report . These include cancer, learning and behavioral disabilities, birth defects, reproductive problems, and heart and respiratory difficulties. Lifestyle Related Problems Tens of thousands of chemicals have been released into the North American ecosystem since the Second World War, reports the Women s... (Suite101.com)
Decoding spectrum jumble on the cheap for WiFi planning Mar 13, 2009
Whether you're building a new network, planning an extension, or troubleshooting interference, it's a good idea to know what's floating in the air around you not ectoplasm, but electromagnetic radiation. You'll find other WiFi networks, Bluetooth devices (especially high-powered ones), directional signals from point-to-point network links of all kinds, microwave ovens, industrial sealers. (Ars Technica)
Engineers Ride 'Rogue' Laser Waves To Build Better Light Sources Mar 12, 2009
(July 14, 2007) Manipulating light waves, or electromagnetic radiation, has led to many technologies, from cameras to lasers to medical imaging machines that can see inside the human. (Nov. (Science Daily)
Henshaw -- The hazards of everyday living Mar 12, 2009
Laboratory research in Cleveland has found that the electromagnetic radiation emitted by cell phones have the effect of producing infertility in men, particularly those who carry their instruments in their front pants pockets. Yet another study found that men eating a single serving of tofu or any other soy based food a day can damage their reproductive systems. (Scituate Mariner, MA)
Technology Monitor: Tracing the bloodstream Mar 12, 2009
The person is then zapped with a carefully chosen pulse of electromagnetic radiation specifically, radio waves. This causes the hydrogen nuclei to flip over. (The Economist)
Man tests radiation in the community Mar 10, 2009
For the past two years, many residents in Baiziwan have been worrying about electromagnetic radiation released by high-voltage wires in the area ... Some people suggested that they should hire professional agencies to help test the electromagnetic radiation in their apartments ... So far, the man has tested electromagnetic radiation for nearly 30 families in Baiziwan and in the neighbouring areas. (India Times, India -- Health/Science)
It’s all relative: Performer uses Einstein to entertain, teach kids Mar 8, 2009
Spiegel has fine-tuned his performance over the years, working on his accent and writing songs about relativity, motion and electromagnetic radiation. It s not boring, Spiegel promises. (Winona Daily News, MN)
Cosmologists seek to identify the physics of key components in their picture of the universe Mar 6, 2009
Gravitational waves also would get promoted to cosmic proportions, perhaps even strong enough for cosmologists to detect them with sensitive telescopes turned to the proper frequency of electromagnetic radiation. We should be able to see them if John s instruments are sensitive enough, Dodelson said. (Univeristy of Chicago Chronicle, IL)
Solid-state Metamaterial Device Tames Terahertz Frequency Mar 4, 2009
Within the past decade, researchers have sought ways to significantly expand the range of material responses to waves of electromagnetic radiation classified by increasing frequency as radio waves, microwaves, terahertz radiation, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays ... (July 14, 2007) Manipulating light waves, or electromagnetic radiation, has led to many technologies, from cameras to lasers to medical imaging machines that can see inside the human. (Science Daily)
Tinny sound mars iPod WiFi setup Mar 2, 2009
Given that the air in my home already crackles with all manner of electromagnetic radiation - a police scanner, cordless phones, a WiFi router, and a microwave oven are all troublesome sources - I'm quick to forgive a bit of interference. I am just too busy to be bothered, trying to isolate this or that source of the problem. (Boston Globe)
Letters to the editor (3/2/09) Mar 2, 2009
Wi-Fi radio waves also emit great amounts of electromagnetic radiation. Submitting everyone to the Wi-Fi signal while in flight, when its safety has not been convincingly established, is dangerous and unconscionable. (Anchorage Daily News)
Engineers Tune A Nanoscale Grating Structure To Trap And Release A Variety Of Light Waves Mar 1, 2009
28, 2009) People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration. (Science Daily)
Most Powerful Gamma-Ray Burst Ever Feb 25, 2009
Observations from NASAs Fermi Gamma-ray Space Telescope are hinting that the highest-energy gamma rays travel through empty space at a little less than the speed of light unlike any other form of electromagnetic radiation. If future observations bear this out, it will rock the foundations of modern physics and perhaps point the way to a "theory of everything" that would help unify the twin pillars of 20th-century physics: Einsteins general theory of relativity and quantum mechanics. (SkyAndTelescope.com)
New search mounted for cosmic inflation Feb 25, 2009
A second class of these fluctuations is gravity waves, which he and other physicists think could be detected by telescopes tuned to the proper frequency of electromagnetic radiation. Carlstrom's team is building a special instrument, a polarimeter, to be attached to the South Polar Telescope, to search for gravity waves. (MSNBC -- Technology)
Team develops new metamaterial device Feb 25, 2009
Within the past decade, researchers have sought ways to significantly expand the range of material responses to waves of electromagnetic radiation classified by increasing frequency as radio waves, microwaves, terahertz radiation, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays. These metamaterials have demonstrated numerous novel effects that defy accepted electromagnetic principles. (EurekAlert!)
Gravitational Lensing: Einsteins Telescope Feb 22, 2009
15, 2005) Black holes have a reputation for voraciously eating everything in their immediate neighborhood, but these large gravity wells also affect electromagnetic radiation and may hinder our ability to ever. (May 16, 2006) Physicists at Penn State University have used mathematical calculations to reveal a time before the Big Bang, when matter and space-time were born, according to Einstein's general theory of. (Science Daily)
Citizens want cell phone tower halted Feb 20, 2009
In a letter to the editor in today's Ledger, Laura Guthrie wrote, "I feel concerned by the growing research suggesting that major health problems can occur from the radio frequencies (a form of electromagnetic radiation) that these towers emit." Opponents of the tower are pointing to research linking radiation from such towers to cancers, tumors and other health issues. However, CTIA-The Wireless Association, an international association for the industry, refutes those claims. (Fairfield Daily Ledger, IA)
Nanotech can improve quality of paper Feb 19, 2009
Copper is commonly used to shield equipment sensitive to electromagnetic radiation such as cellular and wireless network frequencies. For example, New Zealand exports more than $600 million of paper products a year and new markets in higher value printing and packaging papers are expected to emerge within 10 years, said a Victoria release. (India Times, India -- Health/Science)
Stars Form At Record Speeds In Infant Galaxy Feb 7, 2009
There is one further handicap: the observations rely on electromagnetic radiation with a characteristic wavelength, which is associated with ionized carbon atoms. At this wavelength, the star-forming regions of J1148+5251 outshine even the quasar's ultra-bright core. (Science Daily)
