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Dwave processor

Google Collaborates with D-Wave on Possible Quantum Image Search

Physics / General Physics

created Dec 15, 2009 | popularity 4.3 / 5 (21) | comments 5 weblog

(PhysOrg.com) -- Always on the cutting edge of new computing technologies, Google has recently announced that it is investigating the use of quantum computing schemes to achieve faster image recognition rates. ...


New structure could produce efficient semiconductor laser sources

New structure could produce efficient semiconductor laser sources

Physics / General Physics

created Dec 14, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...


Nanomedicine: ending 'hit and miss' design

Nanotechnology / Bio & Medicine

created Dec 08, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- One of the promises of nanomedicine is the design of tiny particles that can home in on diseased cells and get inside them. Nanoparticles can carry drugs into cells and tag cells for MRI and other diagnostic ...


A see-through surprise: Scientists make solid material transparent to terahertz waves

Physics / Condensed Matter

created Dec 07, 2009 | popularity 4.6 / 5 (19) | comments 1

Very often in science, the unexpected discovery turns out to be the most significant. Rice University Professor Junichiro Kono and his team weren't looking for a breakthrough in the transmission of terahertz signals, but ...


Single-atom transistor discovered

Scientists build 'single-atom transistor'

Nanotechnology / Nanophysics

created Dec 06, 2009 | popularity 4.9 / 5 (35) | comments 3

(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...


Researchers demonstrate 100-watt-level mid-infrared lasers

Physics / Quantum Physics

created Dec 01, 2009 | popularity 4.7 / 5 (12) | comments 0

Northwestern University researchers have achieved a breakthrough in quantum cascade laser output power, delivering 120 watts from a single device at room temperature.


Spin polarization achieved in room temperature silicon

Spin polarization achieved in room temperature silicon

Physics / General Physics

created Nov 27, 2009 | popularity 4.8 / 5 (21) | comments 0 weblog

(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...


Explained: The Discrete Fourier Transform

Explained: The Discrete Fourier Transform

Other Sciences / Mathematics

created Nov 25, 2009 | popularity 4.2 / 5 (36) | comments 8

(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...


More than powerful: German research computer QPACE is the most energy efficient in the world

Electronics / Hardware

created Nov 20, 2009 | popularity 5 / 5 (2) | comments 1

At the 2009 Supercomputing Conference in Portland, Oregon, the high-performance computer QPACE (QCD Parallel Computing on the Cell) was recognized today as the most energy-efficient supercomputer in the world.


UCSB physicists move one step closer to quantum computing

UCSB physicists move one step closer to quantum computing

Physics / Quantum Physics

created Nov 20, 2009 | popularity 5 / 5 (9) | comments 0

Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...


Turning heat to electricity

Turning heat to electricity... efficiently

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (65) | comments 9

(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...


New funding will stimulate alternative energy research

Technology / Energy

created Nov 16, 2009 | popularity not rated yet | comments 0

Initiatives to provide geothermal heating or power at the Pueblo of Jemez and the New Mexico Institute of Mining and Technology campus are receiving Los Alamos National Laboratory assistance, thanks to recent American Reinvestment ...


Scientists demonstrate 'universal' programmable quantum processor

Scientists demonstrate 'universal' programmable quantum processor

Physics / Quantum Physics

created Nov 15, 2009 | popularity 4.5 / 5 (24) | comments 11

Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- th ...


Robots perform Shakespeare to learn how to save people

Other Sciences / Other

created Nov 13, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- Flying robot fairies are joining human actors in Texas A&M University?s production of William Shakespeare's A Midsummer Night's Dream, which runs through Sunday (Nov. 15) in the Rudder Forum.


Solving big problems

Solving big problems with new quantum algorithm

Physics / Quantum Physics

created Nov 09, 2009 | popularity 4.6 / 5 (33) | comments 0

(PhysOrg.com) -- In a recently published paper, Aram Harrow at the University of Bristol and colleagues from MIT in the United States have discovered a quantum algorithm that solves large problems much faster ...