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Electromagnetic in Biological Technology

Team develops new metamaterial device

... device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for ... the range of material responses to waves of electromagnetic radiation classified by increasing frequency as ... numerous novel effects that defy accepted electromagnetic principles. Previously, in systems known as ...

Surface plasmon resonances of metal nanoparticles in array can have narrower spectral widths

... signal levels for sensor applications, the electromagnetic interactions between the particles have often ... Crozier, all of SEAS. "We used numerical electromagnetic simulations to design nanoparticle arrays ... of plasmonics, harnessing its ability to confine electromagnetic fields to deep sub-wavelength dimensions for ...

Virginia Tech engineers identify conditions that initiate erosion

... nested among Teflon balls, they introduced electromagnetic pulses of known magnitude and of different ... from its resting pocket" said Diplas. Using electromagnetic pulses, the team was able to establish a range of ... The results agreed with the findings of the electromagnetic study, the Science article reports. "It is ...

Researchers at Leeds mine the 'Terahertz gap'

... systems within the least explored area of the electromagnetic spectrum, the terahertz region. The combined ... using the radiation from many regions of the electromagnetic spectrum are well developed: the use of radio ... to be the final frontier in understanding the electromagnetic spectrum. The Leeds team believes that its unique ...

New MIT radio chip mimics human ear

... mm, works as an analog spectrum analyzer, detecting the composition of any electromagnetic waves within its perception range. electromagnetic waves travel through electronic inductors and capacitors (analogous to the ...

New research field promises radical advances in optical technologies

... light itself," Shalaev said. "One of the most exciting applications is an electromagnetic cloak that could bend light around itself, similar to the flow of water ... of refraction" to less than one or less than zero. Refraction occurs as electromagnetic waves, including light, bend when passing from one material into another. ...

First tunable, 'noiseless' amplifier may boost quantum computing, communications

... add unwanted noise, or random fluctuations, when they measure and boost electromagnetic signals. Amplifiers that theoretically add no noise have been demonstrated ... metamaterial, a structure not found in nature that has strange effects on electromagnetic energy. Microwaves ricochet back and forth inside the cavity like a ...

University of Pennsylvania scientists move optical computing closer to reality

... of the future. Researchers have used light and metal to create special electromagnetic wave of electrons on the surface called plasmons for years. Just as light ... in a series of experiments in the last quarter of the 20th century, that electromagnetic pulses, or "wave packets," can propagate through material media with an ...

Wireless Devices May Be at Fault for Certain Health Risks

... community has been raising awareness on the potential health hazards of electromagnetic fields(1). Interphone, the largest international epidemiology study ever ... of a series of intricate micro antennas created to counter the effects of electromagnetic fields. By releasing reverse waves, Yackie Safe uses 180-degree phase ...

DARPA awards research team $1.2M grant to study surface enhanced Raman scattering

... modeling the team will investigate the interplay between chemical and electromagnetic enhancement and, based upon their findings, develop an integrated electronic structure package in a complex electromagnetic environment. ...

New filter clears up fiber optic communications

... alumina rods and containing a full bandgap - a wavelength range in which electromagnetic waves cannot transmit. Just as electronic bandgaps prevent electrons ... (A waveguide is a system or material that can confine and direct electromagnetic waves.) A defect cavity is located one unit cell above the waveguide ...

'T-ray' breakthrough signals next generation of security sensors

... February) in Nature Photonics. The research shows that these T-rays, electromagnetic waves in the far infrared part of the electromagnetic spectrum that have a wavelength 500 times longer than visible light, can ...

Taming tiny, unruly waves for nano optics

... physics terms, Zhangs group instead decided to follow the direction of the electromagnetic energy flow (also known as a Poynting vector) to predict behavior rather ... those differences. Plancks law, a more than 100-year-old theory about how electromagnetic waves radiate, does not apply on the nanoscale due to fact that the space ...

NIH grants $750,000 to develop device to determine temperature of neonate's brain

... rises, emissions increase. By tabulating the frequency and strength of electromagnetic emissions emanating from the body, Meridian has developed a device that ... small, lightweight device that can be affixed to an infants head to detect electromagnetic emissions generated 15 millimeters below the surface, giving doctors the ...

Unexpectedly long-range effects in advanced magnetic devices

... (NIST) and the Institute of Solid State Physics in Russia to an unexpected findingthe surprisingly strong and long-range effects of certain electromagnetic nanostructures used in data storage. Their recently reported findings* may add new scientific challenges to the design and manufacture of future ...

A breakthrough toward industrial production of fluorescent nanodiamonds

... one to investigate their fate and interactions in cultured cells or in the body. Similarly, fluorescence is used in material sciences to detect electromagnetic fields, for optic storage or tracking (notably to detect fake products). However, most of fluorescent dyes are made of molecules with a limited life ...

Inexpensive plastic used in CDs could improve aircraft, computer electronics

... build up of thermal and electrical charges, so developing these polymer nanotube composites into an antistatic coating or to provide a shield against electromagnetic interference would increase the lifespan of computing devices, ranging from PCs to PDAs. The next step of this research is to develop ink ...

Bridging the gap in nanoantennas

... could play an important role in future biomedical diagnostics and information processing. An antenna is a device designed to transmit or receive electromagnetic waves. Radio frequency antennas find wide use in systems such as radio and television broadcasting, point-to-point radio communication, wireless LAN, ...

MIT: New material could lead to faster chips

... computations and producing an output signal that is a multiple of that frequency. In this case, the MIT graphene chip can double the frequency of an electromagnetic signal. Frequency multipliers are widely used in radio communications and other applications. But existing systems require multiple components, ...

Plasmonic whispering gallery microcavity paves the way to future nanolasers

... National Laboratory (Berkeley Lab) and the California Institute of Technology have developed a "whispering gallery microcavity" based on plasmons - electromagnetic waves that race across the surfaces of metals. Such a plasmon wave has very small wavelength compared with the light, enabling the scaling down ...

Progress toward new storage media

... iron(II) compounds can exist in either a high- or a low-spin state. "Switching" (flipping) can be controlled by changes in temperature, pressure, or electromagnetic radiation. In addition to two distinguishable states to represent 0 and 1, data storage also requires a unique "address" for each storage location ...

Denser, more powerful computer chips possible with plasmonic lenses that 'fly'

... that the flying head design is not limited to plasmonic lenses. His lab has been developing metamaterials - composite materials capable of bending electromagnetic waves in extraordinary ways - into lenses that can be used for nano-optic imaging and other applications. "I expect in three to five years we ...

Tsunami invisibility cloak, dark energy v. the void, sorting nanotubes with light, and more

... scaled to any arbitrary wavelength, thereby offering unprecedented levels of resolution and flexibility for imaging and sensing apparatuses involving electromagnetic waves, such as radio waves for medical diagnostics or light for optical microscopy. -NR Tweezers Trap Nanotubes by Color T. Rodgers, S. ...

BioElectronics Corp. Announces $400,000 in New Orders From the Middle East

... medical devices and patches. The Company's inexpensive wafer thin patches and devices contain an embedded microchip and battery that deliver pulsed electromagnetic energy, a clinically proven and widely accepted anti-inflammatory and pain relief therapy that heretofore has only been possible to obtain from ...

BioElectronics Corp Aggressively Expands Sales into Middle East

... medical devices and patches. The Company's inexpensive wafer thin patches and devices contain an embedded microchip and battery that deliver pulsed electromagnetic energy, a clinically proven and widely accepted anti-inflammatory and pain relief therapy that heretofore has only been possible to obtain from ...

Flexible nanoantenna arrays capture abundant solar energy

... a material used in plastic bags. While others have successfully invented antennas that collect energy from lower-frequency regions of the electromagnetic spectrum, such as microwaves, infrared rays have proven more elusive. Part of the reason is that materials' properties change drastically at ...

Physicists tweak quantum force, reducing barrier to tiny devices

... cause goes to the heart of quantum physics: Seemingly empty space is not actually empty but contains virtual particles associated with fluctuating electromagnetic fields. These particles push the plates from both the inside and the outside. However, only virtual particles of shorter wavelengths in the quantum ...

BioElectronic's ActiPatch(TM) Product Chosen as 'One of 9 Medical Breakthroughs That May Change Your Life'

... the use of the product for reducing edema (swelling) following blepharoplasty and the European Union has approved the product as a class two pulsed electromagnetic medical device as have numerous other international record for agencies. Information on ActiPatch and BioElectronics Corporation is available ...

Silicon photonic crystals key to optical cloaking, researchers say

... at Illinois. "An optical cloaking device is almost within reach." In October 2006, an invisibility cloak operating in the microwave region of the electromagnetic spectrum was reported by researchers at Duke University, Imperial College in London, and Sensor Metrix in San Diego. In their experimental ...

Covert Torture, Surveillance Jeopardizes the Freedom of American Citizens

... use of DEW's and organized stalking via covert surveillance. DEW's are a class of military armaments that project sound and eight types of electromagnetic energy in the full spectrum - radio waves, microwaves, infrared waves, visible light, ultraviolet light, x rays, gamma rays, and cosmic waves. ...

Genetic Breakthroughs Honored With New Scientific Award

... reductions in cancer, diabetes, and obesity. Subsequent research has shown that stress, emotional trauma, maternal touch, and changes to the body's electromagnetic fields, can all trigger epigenetic signals -- sometimes with profound psychological and physical effects. The award ceremony ( ...

BioElectronics Corporation - Substantial International Expansion Producing Sustained Revenue Growth-Company Reaches Monthly Break Even

... the use of the product for reducing edema (swelling) following blepharoplasty and the European Union has approved the product as a class II pulsed electromagnetic medical device as have numerous other international regulatory agencies. Information on ActiPatch and BioElectronics Corporation is available at ...

BioElectronics Announces Conference Call to Update Investors on Growth Initiatives

... the use of the product for reducing edema (swelling) following blepharoplasty and the European Union has approved the product as a class II pulsed electromagnetic medical device as have numerous other international regulatory agencies. Information on ActiPatch and BioElectronics Corporation is available at ...

BioElectronics Corporation Receives Major Orders From Italian Distributor

... musculoskeletal complaints and is widely available in pharmacies across Canada. The European Union has also approved ActiPatch as a Class II pulsed electromagnetic medical device as have numerous other international regulatory agencies. Information on ActiPatch and BioElectronics Corp. is available at the ...

Graphene gazing gives glimpse of foundations of universe

... them, the fine structure constant is arguably most mysterious. It defines the interaction between very fast moving electrical charges and light or electromagnetic waves and its exact value is close to 1/137. Prof Geim, who in 2004 discovered graphene with Dr Kostya Novoselov, a one-atom-thick gauze of ...

Fralex reaches 100th patient milestone in fibromyalgia study

... Complex Neural Pulse or CNP(TM), a novel neuromodulation therapeutic technology for chronic pain, which utilizes specifically designed, low frequency electromagnetic pulses. FRALEX is proceeding with its FDA- and Health Canada-approved pivotal clinical trial (the "RELIEF" trial) to evaluate the safety and ...

Chemists measure copper levels in zinc oxide nanowires

... cold remedy, itch reliever and paint pigment, nanotech engineers like it for its photoluminescence (the ability to emit light after absorbing electromagnetic radiation), field emission (the basis for advanced, high-definition flat-panel displays) and piezoelectric properties (stressing or changing shape ...

New research shows that iPods do not interfere with cardiac pacemakers

... between the music devices and patients with pacemakers. Now, Bassens more detailed study demonstrates that iPods are not capable of producing electromagnetic interference in implanted pacemakers. Using a 3-coil sensor, the team measured the magnetic field produced by the iPod at a distance of around 5 ...

New nanostructured thin film shows promise for efficient solar energy conversion

... of advantages. Nitrogen doping allowed the material to absorb a broad range of light energy, including energy from the visible region of the electromagnetic spectrum. The quantum dots also enhanced visible light absorption and boosted the photocurrent and power conversion of the material. When ...

3-D photonic crystals will revolutionize telecommunications

... simultaneously offering improved performance. Components and equipment based on photonic crystals would also be more resistant and less vulnerable to electromagnetic radiation. End users will gain from these advances. In the long term, transmitting information through electrical signals will restrict speed and ...
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(Date:4/18/2014)... contraceptive pills in Peru found that 28 percent ... quality or falsified. Many pills released the active ... ingredient. One batch had no active ingredient at ... researchers at the Georgia Institute of Technology developed ... assess suspected counterfeit drugs and then characterize their ...
(Date:4/18/2014)... to the story of how barnyard chickens came to be, ... journal Proceedings of the National Academy of Sciences . ... 200-2300 years ago in Europe, researchers report that just a ... different from the chickens we know today. , The results ... domestic chickens -- such as their yellowish skin -- only ...
(Date:4/17/2014)... 17 In the most densely forested and most ... two centuries of human needs, values and practices. Disturbances ... forests for agriculture and development, have set the stage ... Forest Service study reports. , The report Five ... management needs in the Northern United States ...
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