News tagged with theoretical computer
Genetic similarity promotes cooperation
In a dog-eat-dog world of ruthless competition and 'survival of the fittest,' new research from the University of Leicester reveals that individuals are genetically programmed to work together and cooperate ...
Apr 18, 2012 |
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Game of go: A complex network
Could computers ever beat the best go players? Although unthinkable at this stage, this could soon become possible, thanks to CNRS theorists. For the first time, two scientists from the Theoretical Physics ...
Apr 16, 2012 |
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From herd immunity and complacency to group panic: How vaccine scares unfold
Worries over vaccine risks can allow preventable contagious diseases, such as measles and whooping cough, to make a comeback. A new study, published in PLoS Computational Biology, shows how to predict ways in which popula ...
Apr 05, 2012 |
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Single-atom transistor is 'perfect'
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
Feb 19, 2012 |
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Oxygen molecule survives to enormously high pressures
Using computer simulations, a Ruhr-University Bochum (Germany) researcher has shown that the oxygen molecule (O2) is stable up to pressures of 1.9 terapascal, which is about nineteen million times higher than atmosphere pressure. ...
Jan 30, 2012 |
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Speed limit on the quantum highway
(PhysOrg.com) -- Physicists at the Max Planck Institute of Quantum Optics have measured the propagation velocity of quantum signals in a many-body system.
Jan 26, 2012 |
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A baby crystal is born
Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals. Now scientists have determined that a structure comprising 32 lead-sulfur pairs is the smallest ...
Jan 17, 2012 |
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Polymer science team designs new nanotech technique for lower-cost materials repair
(PhysOrg.com) -- In the super-small world of nanostructures, a team of polymer scientists and engineers at the University of Massachusetts Amherst have discovered how to make nano-scale repairs to a damaged ...
Nanotechnology / Nanomaterials
Jan 12, 2012 |
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Theoretical chemists find new dimension to rules for reactions
Theoretical chemists at Emory University have solved an important mystery about the rates of chemical reactions and the so-called Polanyi rules.
Oct 20, 2011 |
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Spiral arms hint at the presence of planets
A new image of the disk of gas and dust around a sun-like star has spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen planets.
Oct 19, 2011 |
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Exotic quantum states: A new research approach
(PhysOrg.com) -- Theoretical physicists of the University of Innsbruck have formulated a new concept to engineer exotic, so-called topological states of matter in quantum mechanical many-body systems. They ...
Oct 03, 2011 |
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Help coordinate disaster relief with CERN's Citizen Cyberscience Center
An ordinary laptop or PC is all you need to join a global project to help scientists at the Large Hadron Collider, one of the world's most ambitious science projects, understand what happened just after the Big Bang; or prepare ...
Aug 08, 2011 |
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Storing quantum information permanently
Quantum memory is one of the basic building blocks needed for realizing a quantum computer one day. Atac Imamoglu, a professor of quantum electronics, and Renato Renner, a professor of theoretical physics, ...
Jul 27, 2011 |
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Princeton researchers solve problem filling space -- without cubes
(PhysOrg.com) -- Whether packing oranges into a crate, fitting molecules into a human cell or getting data onto a compact disc, wasted space is usually not a good thing.
Jun 28, 2011 |
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In Brief: Unmasking elusive hydrogen
Researchers used the SEQUOIA inelastic spectrometer at the Spallation Neutron Source to map the dynamics of hydrogen atoms in a natural crystal of muscovite.
Jun 24, 2011 |
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