Physics

NASA Offers High School Girls A Chance To Jump-Start Their Future

NASA is offering high school junior girls from across the United States an opportunity to jump-start their future by participating in the Women In STEM High School (WISH) Aerospace Scholars program for 2013.

Quantum thermodynamics: A better understanding of how atoms soak up their surroundings

The best yet calculations of the effect of blackbody radiation on the wavefunction of ytterbium atoms, should help produce a better atomic clock.

Bridge to the quantum world: Dirac electrons found in unique material

In a discovery that helps clear a new path toward quantum computers, University of Michigan physicists have found elusive Dirac electrons in a superconducting material.

Boosting heat transfer with nanoglue: New method for significantly increasing heat transfer rate across two different materials

Scientists have developed a new method for significantly increasing the heat transfer rate across two different materials. Results could enable new advances in cooling computer chips and lighting-emitting diode devices, collecting solar power, harvesting waste heat, and other applications.

Gases from grasses: Simulations on Ranger supercomputer help researchers understand biofuel reactions

Researchers used computer simulations and laboratory experiments to discover a reaction site on gold-titanium oxides that is responsible for high rates of catalysis relevant to biofuel and fuel cell reactions. The findings help scientists understand the principle of the catalysis and choose the right catalysts for certain reactions.

Dance of quantum tornadoes: Quantum fluid trapped on top of semiconductor chip

Tornado-like vortexes can be produced in bizarre fluids which are controlled by quantum mechanics, completely unlike normal liquids. New research demonstrates how massed ranks of these quantum twisters line up in rows, and paves the way for engineering quantum circuits and chips measuring motion ultra-precisely.

Webcams offer a low-cost way to tune lasers for serious science

Using a handful of inexpensive components -- including an off-the-shelf computer webcam and a small diffraction grating, a device for splitting and diffracting light into several beams -- researchers have built a diffraction spectrometer that can tune lasers with better than one part-per-million accuracy.

Experiment confirms existence of odd particle

Scientists working on the CMS experiment at the Large Hadron Collider have confirmed the existence of an odd, puzzling particle first observed a few years ago at DOE's Tevatron particle collider. Members of the CMS collaboration announced on Nov. 14 that they had spotted the curious object, dubbed Y(4140), which scientists had discovered at the CDF experiment at Fermilab.

Neutrons confirm their potential to probe nanomagnets and the future of quantum computing

(Phys.org)—Neutron scientists at the ILL have partnered with researchers from the University of Manchester, the University of Parma, the Rutherford Laboratory and the University of Bern to investigate molecular nanomagnets, materials composed of only a few atoms carrying magnetic moments. Their findings have been published in Nature Physics.

Go with the flow in flood prediction

Floods have once again wreaked havoc across the country and climate scientists and meteorologists suggest that the problem is only going to get worse with wetter winters and rivers bursting their banks becoming the norm. A team based at Newcastle University and their colleagues in China have developed a computer model that can work out how the flood flow will develop and where flooding will be worst based on an understanding of fluid dynamics and the underlying topology of a region.

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