ScienceDaily: Top Technology News |
- NMR used to determine whether gold nanoparticles exhibit 'handedness'
- Atoms dressed with light show new interactions, could reveal way to observe enigmatic particle
- Catching terrorists: Backpacks, not the bombs inside, key to finding DNA
- Patterns seen in spider silk and melodies connected
- Extraordinary long gaseous tails in two groups of galaxies
| NMR used to determine whether gold nanoparticles exhibit 'handedness' Posted: 08 Dec 2011 02:37 PM PST Scientists have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny particles in drug development. Their approach offers a significant advantage over routine methods for analyzing gold nanoparticles because it can determine whether the nanoparticles exist in a both right-handed and left-handed configuration, a phenomenon called chirality.  |
| Atoms dressed with light show new interactions, could reveal way to observe enigmatic particle Posted: 08 Dec 2011 12:20 PM PST Physicists have found a way to manipulate atoms' internal states with lasers that dramatically influences their interactions in specific ways. Such light-tweaked atoms can be used as proxies to study important phenomena that would be difficult or impossible to study in other contexts.  |
| Catching terrorists: Backpacks, not the bombs inside, key to finding DNA Posted: 08 Dec 2011 11:20 AM PST Catching terrorists who detonate bombs may be easier by testing the containers that hide the bombs rather than the actual explosives, according to pioneering research.  |
| Patterns seen in spider silk and melodies connected Posted: 08 Dec 2011 06:26 AM PST Using a new mathematical methodology, researchers have created a scientifically rigorous analogy showing the similarities between the physical structure of spider silk and the sonic structure of a musical composition, proving that the structure of each relates to its function in an equivalent way. The comparison begins with the primary building blocks of each item and explains that structural patterns are directly related to the functional properties of silk and a melodic riff.  |
| Extraordinary long gaseous tails in two groups of galaxies Posted: 06 Dec 2011 05:27 AM PST An international group of astronomers has discovered extraordinary long one-sided gaseous tails in two groups of galaxies that are amongst the longest structures ever observed in such environments. The tails emanate from CGCG 097-026 and FGC1287, two spiral galaxies in small groups in the outskirts of the galaxy cluster known as Abell 1367 in the constellation of Leo, at a distance of 300 million light years. The new work could lead to a major shift in our understanding of galaxy evolution.  |
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