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News tagged with transfer

Study supports role of quantum effects in photosynthesis

(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...

Physics / General Physics

created Jan 25, 2012 | popularity 4.9 / 5 (13) | comments 7 | with audio podcast feature

Artificial light-harvesting method achieves 100% energy transfer efficiency

(PhysOrg.com) -- In an attempt to mimic the photosynthetic systems found in plants and some bacteria, scientists have taken a step toward developing an artificial light-harvesting system (LHS) that meets one ...

Chemistry / Materials Science

created Sep 01, 2011 | popularity 4.9 / 5 (40) | comments 22 | with audio podcast feature

Noxious nanotech: Water-borne nanomaterials promote multidrug-resistance gene transfer

(PhysOrg.com) -- The arms race between effective antibiotic prophylaxis and closely related strains or species of bacteria is continually escalating. Bacteria can quickly develop genetic resistance to a range ...

Nanotechnology / Bio & Medicine

created Mar 30, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast feature

Astronomers discovered ancient Egyptian observations of a variable star

The study of the "Demon star", Algol, made by a research group of the University of Helsinki, Finland, has received both scientific and public attention. The period of the brightness variation of this eclipsing binary star ...

Space & Earth / Space Exploration

created May 16, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Coil in wall could wirelessly power multiple electronic devices

(PhysOrg.com) -- A team of MIT physicists has developed a system that can wirelessly transfer power to multiple electronic devices simultaneously with high efficiency. The system takes advantage of electromagnetic ...

Physics / General Physics

created Feb 12, 2010 | popularity 4 / 5 (28) | comments 64 | with audio podcast feature

'Dark plasmons' transmit energy

Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Scientists discover a surprising new way that protons can move among molecules

When a proton – the bare nucleus of a hydrogen atom – transfers from one molecule to another, or moves within a molecule, the result is a hydrogen bond, in which the proton and another atom like ...

Chemistry / Materials Science

created Mar 18, 2012 | popularity 4.9 / 5 (14) | comments 1 | with audio podcast

Gene found to have jumped from gut bacteria to beetle

(PhysOrg.com) -- Genes jumping between bacteria are rather common which in part explains their ability to rapidly develop immunity to antibacterial agents. What’s not so common are examples of genes jumping ...

Biology / Biotechnology

created Feb 28, 2012 | popularity 5 / 5 (7) | comments 3 | with audio podcast report

Study resolves century-long debate over how to describe electromagnetic momentum density in matter

(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...

Physics / General Physics

created Dec 29, 2011 | popularity 4.4 / 5 (14) | comments 23 | with audio podcast

Of microorganisms and man: First large-scale test confirms Darwin's theory of universal common ancestry

More than 150 years ago, Darwin proposed the theory of universal common ancestry (UCA), linking all forms of life by a shared genetic heritage from single-celled microorganisms to humans. Until now, the theory that makes ...

Biology / Evolution

created May 12, 2010 | popularity 4.3 / 5 (65) | comments 164 | with audio podcast

S. Korea, Peru announce defense technology deal

South Korea's Foreign Minister Kim Sung-hwan agreed Thursday to grant technology transfers to Peru to help strengthen the Latin American nation's navy and air force.

Technology / Other

created May 24, 2012 | popularity not rated yet | comments 0

Blue stragglers: Astronomers discover how mysterious stars stay so young

(PhysOrg.com) -- Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until ...

Space & Earth / Astronomy

created Oct 19, 2011 | popularity 4.3 / 5 (3) | comments 2 | with audio podcast

New hybrid technology could bring 'quantum information systems'

(PhysOrg.com) -- The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.

Physics / Optics & Photonics

created Oct 27, 2011 | popularity 3 / 5 (4) | comments 1 | with audio podcast

SSDs the size of a postage stamp coming soon

(PhysOrg.com) -- One-terabyte (TB) solid state drives (SSDs) are expected to be released in a couple of years, and they will be about the size of the average postage stamp.

Electronics / Hardware

created Feb 15, 2010 | popularity 4.6 / 5 (39) | comments 18 | with audio podcast weblog

Pairing quantum dots with fullerenes for nanoscale photovoltaics

(PhysOrg.com) -- In a step toward engineering ever-smaller electronic devices, scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have assembled nanoscale pairings of particles ...

Nanotechnology / Nanophysics

created May 10, 2011 | popularity 4.6 / 5 (5) | comments 3 | with audio podcast