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Physics and Matter News - December 2007 Archives
Major advances expected to lead to improved chips in cell phones, computers
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 | A switch just one-tenth the size of a human hair has been developed by Scottish scientists to boost communication technologies. ...> Full Article |
Research is step toward building first quantum computers
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 | The ISIS Second Target Station Project at the STFC Rutherford Appleton Laboratory in Oxfordshire achieved a major milestone on Friday 14 December, at the first attempt and two days ahead of schedule. Protons were successfully extracted into the new proton transfer beamline from the existing ISIS accelerator and delivered to the new target station. ...> Full Article |
 | The fan in your computer is there to keep the microprocessor chip from heating to the point where its component materials start to expand, inducing cracks that interrupt the flow of electricity - and not incidentally, ruin the chip. Thermal expansion can also separate semiconducting materials from the substrate, reduce performance through changes in the electronic structure of the material or warp the delicate structures that emit laser light. ...> Full Article |
 | In the world of commercial materials, lighter and cheaper is usually better, especially when those attributes are coupled with superior strength and special properties, such as a material's ability to remember its original shape after it's been deformed by a physical or magnetic force. ...> Full Article |
New experiments address a barrier to efforts at developing computer networks that can run on light instead of electrons
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An Anglo-Indian initiative is to be launched to look at the efficiency of new ways of detecting dangerous defects in vehicles including aircraft, racing cars and spacecraft.
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Photonic crystal fibre's ability to create broad spectra of light, which will be the basis for important developments in technology, has been explained for the first time in an article in the leading science journal Nature-Photonics.
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Researchers have made the first ever execution of a quantum calculation, a major step towards building the first quantum computers.
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 | Using concentrated solar energy to reverse combustion, a research team from Sandia National Laboratories is building a prototype device intended to chemically "reenergize" carbon dioxide into carbon monoxide using concentrated solar power. The carbon monoxide could then be used to make hydrogen or serve as a building block to synthesize a liquid combustible fuel, such as methanol or even gasoline, diesel and jet fuel. ...> Full Article |
A new study reports that a laser can be used to switch a film of vanadium dioxide back and forth between reflective and transparent states without heating or cooling it.
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 | Using laser light to stir an ultracold gas of atoms, researchers have demonstrated the first 'persistent' current in an ultracold atomic gas -a frictionless flow of particles. This relatively long-lived flow, a hallmark of a special property known as 'superfluidity,' might help bring to the surface some deep physics insights, and enable super-sensitive rotation sensors that could someday make navigation more precise. ...> Full Article |
 | The next generation of laptops, desk computers, cell phones and other semiconductor devices may get faster and more cost-effective with research from Clemson University. ...> Full Article |
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Fish can recognize a face based on UV pattern alone
Ancient DNA from rare fossil reveals that polar bears evolved recently and adapted quickly
'Anaconda' meets 'Jurassic Park': Study shows ancient snakes ate dinosaur babies
Scientists locate apparent hydrothermal vents off Antarctica
Mars Express heading for closest flyby of Phobos
Artificial bee silk a big step closer to reality
Predicting the fate of stem cells
Artificial foot recycles energy for easier walking
New fiber nanogenerators could lead to electric clothing
What drives our genes? Researchers map the first complete human epigenome
Juggling enhances connections in the brain
Tracking down the human 'odorprint'
Fill 'er up - with algae
Researchers help identify cows that gain more while eating less
How to see through opaque materials
Kent State researchers play lead role in significant new physics discovery
From 2-trillion-degree heat, researchers create new matter - and new questions
Dark matter lens used to measure age of universe
Scientists find an equation for materials innovation
Study quantifies the electron transport effects of placing metal contacts onto graphene
Neutrons poised to play big role in future scientific advances
Researchers move closer to understanding chaotic motion of a solid body in a fluid
Brown physicist discovers odd, fluctuating magnetic waves
Physicists use ultra-fast lasers to open doors to new technologies unheard of just years ago
Quantum leap for phonon lasers
Exploring the secrets of dark matter
Atom interferometer provides most precise test yet of Einstein's gravitational redshift