(Phys.org)—Quantum computing, where bits of information, or "qubits," are represented by the state of single atomic particles or photons of light, won't be of much use unless we can read the results. Cornell researchers ...
Optics & Photonics
Dec 5, 2012
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Every photon in a laser beam marches in lockstep, at an identical wavelength that depends on what the laser is used for – for example, infrared lasers that drive the optic fiber internet. For many applications, lasers need ...
General Physics
Dec 4, 2012
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A Northwestern University research team has found a way to manufacture single laser devices that are the size of a virus particle and that operate at room temperature. These plasmonic nanolasers could be readily integrated ...
Optics & Photonics
Nov 5, 2012
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Scientists have determined the three-dimensional structure of a complete, unmodified G-protein-coupled receptor in its native environment: embedded in a membrane in physiological conditions.
Biochemistry
Oct 22, 2012
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(Phys.org)—NASA's Mars rover Curiosity has ingested its first solid sample into an analytical instrument inside the rover, a capability at the core of the two-year mission.
Space Exploration
Oct 18, 2012
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(Phys.org)—The theoretical and experimental framework of a new coherent diffraction strain imaging approach was developed in the Center for Nanoscale Materials' X-Ray Microscopy Group in collaboration with Argonne's Materials ...
Nanophysics
Oct 9, 2012
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(Phys.org)—Understanding why proteins interact with certain specific molecules and not with the myriad others in their environment is a major goal of molecular biology. Now, in a series of recent papers, researchers describe ...
Biochemistry
Oct 2, 2012
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Oxygenic photosynthetic organisms utilize energy from the sun to split water into protons, electrons and oxygen—products vital to life on earth. The process takes place through light-induced electron transfer reactions ...
Materials Science
Sep 21, 2012
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(Phys.org)—Using synchrotron x-ray beams to solve the molecular structures of proteins and other large biological molecules has yielded many advances in medicine, such as drug therapies for cancer. Improvements in the techniques ...
General Physics
Sep 6, 2012
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Light changes matter in ways that shape our world. Photons trigger changes in proteins in the eye to enable vision; sunlight splits water into hydrogen and oxygen and creates chemicals through photosynthesis; light causes ...
Optics & Photonics
Aug 29, 2012
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