News tagged with resonant frequency

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A Tiny Cage of Gold Responds to Light, Opening to Empty Its Contents

Nanotechnology / Bio & Medicine

created Nov 19, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Researchers at Washington University in St. Louis have developed a polymer-coated gold nanocage that not only opens in response to light to release a small amount of a drug payload, but then closes when the ...


Sony develops highly efficient wireless power transfer system based on magnetic resonance

Sony develops highly efficient wireless power transfer system based on magnetic resonance

Technology / Engineering

created Oct 02, 2009 | popularity 4.4 / 5 (13) | comments 7

Sony Corp. today announced the development of a highly efficient wireless power transfer system that eliminates the use of power cables from electronic products such as television sets. Using this system, ...


Jellyfish Robot Swims Like its Biological Counterpart

Jellyfish Robot Swims Like its Biological Counterpart

Electronics / Robotics

created Jun 26, 2009 | popularity 4.4 / 5 (9) | comments 1

(PhysOrg.com) -- "Jellyfish are one of the most awesome marine animals, doing a spectacular and psychedelic dance in water," explain engineers Sung-Weon Yeom and Il-Kwon Oh from Chonnam National University ...





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An Invisible Cloak for Magnetism

Physics / Condensed Matter

created Mar 31, 2008 | popularity 4.5 / 5 (78) | comments 11

The subject of metamaterials is mad science at its finest – researchers trying to create materials with properties that don’t exist in nature, and that cannot be made with ordinary atoms.


Prof. Itozaki, Dr Tachiki and Dr He

New technique for easily identifying explosives in luggage

Physics / General Physics

created Jan 24, 2007 | popularity 4 / 5 (22) | comments 0

Scientists in Japan have developed a new technique for sensing explosives in luggage and landmines. The paper, published today in the Institute of Physics journal Superconductor Science and Technology descri ...


Side-to-side shaking of nanoresonators throws off impurities

Nanotechnology / Bio & Medicine

created Aug 13, 2007 | popularity 4.5 / 5 (12) | comments 0

Tiny vibrating silicon resonators are of intense interest in nanotechnology circles for their potential ability to detect bacteria, viruses, DNA and other biological molecules.


Scientists Create Light-Bending Nanoparticles

Scientists Create Light-Bending Nanoparticles

Nanotechnology / Nanomaterials

created Mar 03, 2009 | popularity 4.5 / 5 (20) | comments 2

(PhysOrg.com) -- Metallic nanoparticles and other structures can manipulate light in ways that are not possible with conventional optical materials. In a recent example of this, Rice University researchers ...


Supercontinuum generation and soliton dynamics milestone achieved

Physics / General Physics

created Nov 20, 2008 | popularity 4.4 / 5 (11) | comments 1

A research team led by Fetah Benabid, University of Bath, has observed for the first time the simultaneous emission of two resonant dispersive waves by optical solitons (waves that maintain their shape while traveling at ...


Side-to-side shaking of nanoresonators throws off impurities

Side-to-side shaking of nanoresonators throws off impurities

Nanotechnology / Bio & Medicine

created Aug 07, 2007 | popularity 4.5 / 5 (13) | comments 0

Tiny vibrating silicon resonators are of intense interest in nanotechnology circles for their potential ability to detect bacteria, viruses, DNA and other biological molecules.


Researchers advance nano-scale electromechanical sensors

Nanotechnology / Nanophysics

created Nov 11, 2008 | popularity 4.6 / 5 (5) | comments 0

Clemson physics professor Apparao Rao and his team are researching nano-scale cantilevers that have the potential to read and alert us to toxic chemicals or gases in the air. Put them into a small handheld device and the ...


A nano-sensor for better detection of Mad Cow Disease agent

Nanotechnology / Bio & Medicine

created Mar 03, 2008 | popularity 3.3 / 5 (6) | comments 0

In an advance in food safety, researchers in New York are reporting development of a nano-sized sensor that detects record low levels of the deadly prion proteins that cause Mad Cow Disease and other so-called prion diseases. ...


NIST Quantum Cable

NIST Debuts Superconducting Quantum Computing Cable

Physics / General Physics

created Sep 26, 2007 | popularity 4.6 / 5 (49) | comments 0

Physicists at the National Institute of Standards and Technology have transferred information between two “artificial atoms” by way of electronic vibrations on a microfabricated aluminum cable, demonstrating ...


Quantum dot lasers -- 1 dot makes all the difference

Quantum dot lasers -- 1 dot makes all the difference

Physics / General Physics

created Apr 12, 2007 | popularity 3.8 / 5 (26) | comments 0

Physicists at the National Institute of Standards and Technology and Stanford and Northwestern Universities have built micrometer-sized solid-state lasers in which a single quantum dot can play a dominant ...



List of search results for resonant frequency