REVOLUTIONARY NEW DETECTOR FOR TOXIC GASES
The work has been carried out by physicists at St Andrew's University led by Dr Miles Padgett, who has now moved to the University of Glasgow, together with a consortium of industrial collaborators. The project was part of the government's LINK photonics programme, funded by the Engineering and Physical Sciences Research Council. view more (1999-10-05)
G-Zero update
In research performed in Hall C, nuclear physicists have found that strange quarks do contribute to the structure of the proton. This result indicates that, just as previous experiments have hinted, strange quarks in the proton's quark-gluon sea contribute to a proton's properties. The result comes from work performed by the G-Zero collaboration,... view more... (2006-06-30)
Researchers untangle quantum quirk
Quantum computing has been hailed as the next leap forward for computers, promising to catapult memory capacity and processing speeds well beyond current limits. Several challenging problems need to be cracked, however, before the dream can be fully realized. view more (2008-06-11)
Free-electron laser shines at over 14 kilowatts in the infrared
The most powerful tunable laser in the world just shattered another power record: the Free-Electron Laser (FEL), supported by the Office of Naval Research and located at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility (Jefferson Lab), produced a 14.2 kilowatt (kW) beam of laser light at an infrared wavelength of 1.61... view more... (2006-11-09)
Oregon physicists don't flip spin but find possible electron switch
University of Oregon researchers trying to flip the spin of electrons with laser bursts lasting picoseconds (a trillionth of a second) instead found a way to manipulate and control the spin -- knowledge that may prove useful in a variety of new materials and technologies. view more (2008-05-28)
Scientists put the squeeze on electron spins
University of California scientists working at Los Alamos National Laboratory have developed a novel method for controlling and measuring electron spins in semiconductor crystals of GaAs (gallium arsenide). view more (2005-06-16)
Hacking at light speed
COMPANIES that have spent a small fortune trying to thwart hackers now face a completely new security threat. It`s called optical hacking. Computer scientists at Cambridge University say plain text on a computer screen can now be read at a distance simply by capturing the diffuse glow from the... view more... (2002-03-13)
UNH scientists report first findings on key astrophysics problem
n a paper published recently in the journal Nature Physics, an international team of space scientists led by researchers from the University of New Hampshire present findings on the first experimental evidence that points in a new direction toward the solution of a longstanding, central problem of plasma astrophysics and space physics. view more (2007-11-29)
By straddling twin molecules, Sandia physicist obtains unique view of their breakup
Imagine you are standing, John Wayne style, on the backs of two runaway horses pulling a stagecoach. You try to bring the horses to a stop but instead the harnesses break, the horses separate, and an unlucky passenger gets thrown from the stage. view more (2006-01-20)
Nanoparticles unlock the future of superalloy metals
Sandia National Laboratories is pioneering the future of superalloy materials by advancing the science behind how those superalloys are made. view more (2007-06-14)
Best Microchemical Study of an Archeomaterial
Bronze age artifacts, physical links between us and people alive 3000 years ago, have long been closely examined with physics-based instruments such as x-ray crystallography and mass spectrometry. Now scrutiny of microchemical surface properties of such ancient bronze in some respects surpasses the diagnostic information gained by... view more... (2001-09-04)
Lighting the way to early cancer detection
Scientists at the University of Sussex are pioneering a non-invasive way to identify cancers. The team has vastly improved a system for detecting cancer in the early stages, without putting patients through painful exploratory procedures. The detection works by beaming ultra violet light at a patient and analysing the information reflected. This... view more... (2004-01-06)
NRL scientists demonstrate efficient electrical spin injection into silicon
Scientists at the Naval Research Laboratory (NRL) have efficiently injected a current of spin-polarized electrons from a ferromagnetic metal contact into silicon, producing a large electron spin polarization in the silicon. view more (2007-07-17)
New light microscope may help unlock some of cells' secrets
A microscopy technique pioneered with the help of Florida State University's National High Magnetic Field Laboratory has led to the development of a new light microscope capable of looking at proteins on a molecular level. view more (2006-08-17)
Small optical force can budge nanoscale objects
With a bit of leverage, Cornell researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometers. That's enough to completely switch the optical properties of the structure from opaque to transparent, they reported. view more (2009-11-18)
Chameleon particles from the Sun
The Sun emits electron-neutrinos, elementary particles of matter that have no electric charge and very little mass, created in vast numbers by the thermonuclear reactions that fuel our parent star. Since the early 1970s, several experiments have detected neutrinos arriving on Earth, but they have found only a fraction of the number expected from... view more... (2002-04-22)
Quantum computing spins closer
The promise of quantum computing is that it will dramatically outshine traditional computers in tackling certain key problems: searching large databases, factoring large numbers, creating uncrackable codes and simulating the atomic structure of materials. view more (2008-11-24)
A first experiment with the new "free-electron laser"
An international group of scientists has published first experiments carried out using the new soft X-ray free-electron laser (FEL) at the research center DESY (Nature, vol 420, p 482-485 and p 467). Using small clusters of noble gas atoms, for the first time, researchers studied the interaction of matter with intense X-ray radiation from an FEL... view more... (2002-12-05)
Blue laser - the alpha and the omega
The future of DVD is blue. New, low-cost optical laser technology generates short-wavelength beams. At the other end of the beam are detector heads that will soon contain arrays of up to 25 sensors. Two Fraunhofer Institutes are taking the lead at both ends of the spectrum. Man's appetite seems to be insatiable. In the dark ages, packing away... view more... (2004-05-14)
UBC researchers develop breakthrough technique to unlock the secret of plasmas
University of British Columbia researchers have developed a technique that brings scientists a big step closer to unlocking the secrets of the most abundant form of matter in the universe. view more (2008-11-24)
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