News tagged with mirror image

Image or mirror image? Chiral recognition by femtosecond laser

(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 ...

Chemistry / Analytical Chemistry

created Mar 09, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Tohoku grim reminder of potential for Pacific Northwest megaquake

Tohoku earthquake is a grim reminder of the potential for another strong-motion mega-earthquake along the Pacific Northwest coast, geophysicist John Anderson of the University of Nevada, Reno told members of the American ...

Space & Earth / Earth Sciences

created Feb 21, 2012 | popularity not rated yet | comments 0

New research on Japanese quake ominous for Pacific Northwest

Scientists are still unraveling last year's giant Tohoku earthquake and tsunami in Japan, and some of what they're finding doesn't bode well for the Pacific Northwest.

Space & Earth / Earth Sciences

created Feb 21, 2012 | popularity 4.9 / 5 (7) | comments 14

Virtual ghost imaging: New technique enables imaging even through highly adverse conditions

Ghost imaging (GI), and its even more oddly named cousin virtual ghost imaging (VGI), seem to contradict conventional wisdom by being able to image an object by simply counting photons in a "light bucket." This non-intuitive ...

Physics / General Physics

created Feb 15, 2012 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast

UA makes mirrors for world's largest telescope

(PhysOrg.com) -- The second of seven 27-foot diameter mirrors for the Giant Magellan Telescope was cast on Jan. 14 inside a rotating furnace at the UA's Steward Observatory Mirror Lab.

Space & Earth / Space Exploration

created Jan 18, 2012 | popularity 4.8 / 5 (5) | comments 1

Cryogenic testing completed for James Webb telescope mirrors

Cryogenic testing is complete for the final six primary mirror segments and a secondary mirror that will fly on NASA's James Webb Space Telescope. The milestone represents the successful culmination of a process ...

Space & Earth / Space Exploration

created Dec 21, 2011 | popularity 5 / 5 (1) | comments 0

Twisting molecules by brute force: A top-down approach

Molecules that are twisted are ubiquitous in nature, and have important consequences in biology, chemistry, physics and medicine. Some molecules have unique and technologically useful optical properties; the medicinal properties ...

Physics / Condensed Matter

created Dec 14, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

The universe may have been born spinning, according to new findings on the symmetry of the cosmos

(PhysOrg.com) -- Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big ...

Space & Earth / Astronomy

created Jul 08, 2011 | popularity 4.4 / 5 (37) | comments 82 | with audio podcast

UA to shape solar telescope mirror

(PhysOrg.com) -- When finished, the 4.2-meter mirror will be the largest telescope mirror ever pointed at the sun. Polished into a highly complex, asymmetric shape, it will be the centerpiece of the Advanced ...

Space & Earth / Space Exploration

created Jun 23, 2011 | popularity 5 / 5 (2) | comments 0

Taming the molecule's Dr. Jekyll and Mr. Hyde

Many organic molecules are non-superimposable with their mirror image. The two forms of such a molecule are called enantiomers and can have different properties in biological systems. The problem is to control which enantiomer ...

Chemistry / Materials Science

created Jun 14, 2011 | popularity 5 / 5 (1) | comments 0

Organic chemistry: Amino acids made easy

Amino acids are the building blocks of proteins. There are 22 different amino acids and they can combine in a myriad ways to form a vast array of proteins. All amino acids except glycine are chiral molecules, ...

Chemistry / Biochemistry

created May 04, 2011 | popularity 4.7 / 5 (3) | comments 0

Atom and its quantum mirror image

A team of physicists experimentally produces quantum-superpositions, simply using a mirror.

Physics / Quantum Physics

created Apr 05, 2011 | popularity 4.7 / 5 (15) | comments 1 | with audio podcast

Paving the way for new single-molecule electrochemical switches

The degree of twisting of natural helical structures, such as the DNA double-helix, plays an essential role in many important biological functions. Because of their twisted architecture, artificial helices ...

Chemistry / Materials Science

created Jan 21, 2011 | popularity 5 / 5 (1) | comments 0

The 'natural' asymmetry of biological molecules may have come from space

Certain molecules do exist in two forms which are symmetrical mirror images of each other: they are known as chiral molecules. On Earth, the chiral molecules of life, especially amino acids and sugars, exist ...

Space & Earth / Space Exploration

created Jan 11, 2011 | popularity 4.5 / 5 (4) | comments 0

One step closer to green catalysis

Mirror image catalysis with water in water is finally possible. Mirror image catalysis in water with water is effective and produces no waste. Researchers have now succeeded in imitating this marvelous trick of nature. NWO ...

Chemistry / Materials Science

created Nov 02, 2010 | popularity 5 / 5 (1) | comments 0