(Phys.org) -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental theory, from cosmology ...
General Physics
Apr 27, 2012
3
0
At some point this year, after NASA's rover Curiosity has landed on Mars, a laser will fire a beam of infrared light at a rock or soil sample. This will "ablate" or vaporize a microgram-sized piece of the target, generating ...
Space Exploration
Mar 1, 2012
2
0
(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well. But to reach its full ...
General Physics
Feb 1, 2012
0
0
Negative ions play an important role in everything from how our bodies function to the structure of the universe. Scientists from the University of Gothenburg, Sweden, have now developed a new method that makes it possible ...
General Physics
Nov 29, 2011
0
0
Physicists from the University of Stuttgart show the first experimental proof of a molecule consisting of two identical atoms that exhibits a permanent electric dipole moment. This observation contradicts the classical opinion ...
General Physics
Nov 25, 2011
7
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(PhysOrg.com) -- Subatomic events can be remarkably counterintuitive. Such is the case in theoretical physics when, under certain specific conditions, atoms exposed to intense infrared laser pulses remain stable rather than ...
(PhysOrg.com) -- A research group led by ETH Zurich has now, for the first time, visualized the motion of electrons during a chemical reaction. The new findings in the experiment are of fundamental importance for photochemistry ...
General Physics
Oct 14, 2011
1
0
(AP) -- Americans William Moerner, Allen Bard and Richard Zare could be among the potential candidates when the Nobel Prize in chemistry is announced Wednesday.
Other
Oct 5, 2011
0
0
In Dr. Hongfei Wang's spectroscopy laboratory at the end of EMSL's main hallway, the lights are always off. Because the instrumental capability his team has built uses lasers as its main weapon, light interference would hinder ...
Analytical Chemistry
Jun 30, 2011
0
0
(PhysOrg.com) -- High-energy molecules play a major role in the chemistry of combustion, plasmas and the atmosphere. Scientists have been able to generate and investigate molecules with large amounts of vibrational, electronic ...
Analytical Chemistry
Apr 11, 2011
0
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