(PhysOrg.com) -- It is not always easy to distinguish between images and mirror images of molecules, but this knowledge is important when one image of a molecule is a drug and the mirror image is toxic. One new approach to ...
Analytical Chemistry
Mar 9, 2012
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A new membrane developed at the University of Rochester's Laboratory for Laser Energetics blocks gas from flowing through it when one color of light is shined on its surface, and permits gas to flow through when another color ...
Optics & Photonics
Aug 1, 2010
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(PhysOrg.com) -- Star formation is studied by astronomers not only because it produces new stars and planetary systems. It also generates copious amounts of ultraviolet light that heats dust which in turn causes the birth ...
Astronomy
Jan 9, 2012
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(Phys.org)—Comet Pan-STARRS C/2011 L4, discovered by the Pan-STARRS 1 telescope on Haleakala in June 2011, is expected to become visible to the naked eye in the Northern Hemisphere in March.
Space Exploration
Feb 21, 2013
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The space between stars is not empty, but contains an abundance of diffuse material, about 5-10% of the total mass of our galaxy (excluding dark matter). Most of the material is gas, predominantly hydrogen, but with a small ...
Astronomy
Jan 11, 2016
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Even in trace quantities, the radioactive gas radon is very dangerous; it is second only to cigarette smoking as a cause of lung cancer deaths in the United States. The expense and precautions necessary to study it safely ...
Materials Science
Jul 30, 2011
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A central objective of chemical and molecular physics is to understand molecules as quantum mechanical systems. The complex internal dynamics of such systems evolve across wide energy and time scales, exhibited by a variety ...
Methanol, a key building block for the complex organic compounds that comprise life, has been detected for the first time in the protoplanetary disk of a young, distant star. This finding could help scientists better understand ...
Astronomy
May 25, 2017
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(Phys.org) —A unique atomic-scale engineering technique for turning low-efficiency photocatalytic "white" nanoparticles of titanium dioxide into high-efficiency "black" nanoparticles could be the key to clean energy technologies ...
Nanomaterials
Apr 11, 2013
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(PhysOrg.com) -- University of Arizona scientists have inserted metal atoms into methane gas molecules and obtained a detailed structure of the resulting molecule. The discovery could be a key step in making hydrocarbons ...
Materials Science
Dec 20, 2010
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