(Phys.org)—Researchers from the NIST Center for Nanoscale Science and Technology and Arizona State University have used an environmental scanning transmission electron microscope (ESTEM) to control the size and placement ...
Nanomaterials
Nov 1, 2012
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(Phys.org)—David Ruffner and David Grier of New York University have developed a technique for using Bessel beams to draw a particle toward a source. In their paper published in Physical Review Letters they describe how ...
An international research group led by scientists from the University of Bristol and the Universities of Glasgow (UK) and Sun Yat-sen and Fudan in China, have demonstrated integrated arrays of emitters of so call 'optical ...
Quantum Physics
Oct 18, 2012
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Protons to the right, ions to the left: the basic principle of proton-ion collisions at the LHC might seem straightforward. However, this is an almost unprecedented mode of collider operation, certainly unique at the energy ...
General Physics
Sep 27, 2012
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(Phys.org)—Today, technicians in Minnesota will begin to position the first block of a detector that will be part of the largest, most advanced neutrino experiment in North America.
General Physics
Sep 6, 2012
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In theory, quantum computers should be able to perform certain kinds of complex calculations much faster than conventional computers, and quantum-based communication could be invulnerable to eavesdropping. But producing quantum ...
Optics & Photonics
Jul 25, 2012
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(Phys.org) -- Although pointing high-energy lasers at the sky to cause pouring rain is currently a high-tech dream, the motivation behind controlling the weather has existed since the days of our ancient ancestors. Throughout ...
(Phys.org) -- Using a one-of-a-kind laser system at Los Alamos National Laboratory, scientists have created the largest neutron beam ever made by a short-pulse laser, breaking a world record. Neutron beams are usually made ...
General Physics
Jul 11, 2012
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(Phys.org) -- Laser beams can be made to form dark as well as bright intensity helices, or corkscrews of light. In a paper shortly to appear in Optics Express, Dr Ole Steuernagel, at the University of Hertfordshire's Science ...
Optics & Photonics
Jun 12, 2012
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For the first time, researchers have produced a coherent, laser-like, directed beam of light that simultaneously streams ultraviolet light, X-rays, and all wavelengths in between.
General Physics
Jun 7, 2012
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