http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. (PhysOrg.com) -- 'Bullet fingerprinting' technology developed at the University of Leicester in collaboration with Northamptonshire Police is now being advanced in new ways. http://www.physorg.com/news166427660.html Chemistry Sun, 12 Jul 2009 19:30:01 EST news166427660 (PhysOrg.com) -- Researchers at Northeastern University have developed an early-stage, highly accurate cancer screening technology that determines -- in seconds -- whether a cell is cancerous, precancerous or normal. http://www.physorg.com/news166367481.html Medicine & Health Thu, 09 Jul 2009 14:11:51 EST news166367481 Where biology, chemistry and physics intersect, a Kansas State University professor expects to find applications to improve human health. http://www.physorg.com/news166105190.html Nanotechnology Mon, 06 Jul 2009 13:32:17 EST news166105190 From the motion sensor to the computer chip - in many products of daily life components are used whose functioning is based on smallest structures of the size of thousandths - or even millionths - of millimetres. These micro and nano structures must be manufactured and assembled with the highest precision so that in the end, the overall system will function smoothly. http://www.physorg.com/news166093649.html Nanotechnology Mon, 06 Jul 2009 10:08:07 EST news166093649 Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute of Standards and Technology could usher in a new generation of applications because the device holds promise as a stylus for sensing very small forces or as an interface for efficient transfer of individual light particles for quantum communications. http://www.physorg.com/news165668548.html Physics Wed, 01 Jul 2009 12:02:59 EST news165668548 In the past, even modern technologies have failed to produce high-resolution fluorescence images from this depth because of the strong scattering of light. In the Nature Photonics journal, the Munich researchers describe how they can reveal genetic expression within live fly larvae and fish by "listening to light". In the future this technology may facilitate the examination of tumors or coronary vessels in humans. http://www.physorg.com/news165578271.html Physics Tue, 30 Jun 2009 10:58:52 EST news165578271 University of Chicago researchers recently showed that dry granular materials such as sands, seeds and grains have properties similar to liquid, forming water-like droplets when poured from a given source. The finding could be important to a wide range of industries that use "fluidized" dry particles for oil refining, plastics manufacturing and pharmaceutical production. http://www.physorg.com/news165068691.html Physics Wed, 24 Jun 2009 13:50:01 EST news165068691 (PhysOrg.com) -- IBM scientists in collaboration with the University of Regensburg, Germany, and Utrecht University, Netherlands, for the first time demonstrated the ability to measure the charge state of individual atoms using noncontact atomic force microscopy. Measuring with the precision of a single electron charge and nanometer lateral resolution, researchers succeeded in distinguishing neutral atoms from positively or negatively charged ones. http://www.physorg.com/news164996346.html Nanotechnology Tue, 23 Jun 2009 17:19:39 EST news164996346 Pancreatic cancer and bile duct cancer are difficult to diagnose and often fatal because they are discovered in the advanced stages of the disease. Researchers have developed new tests that double the ability to detect bile duct and pancreatic cancers, according to a Mayo Clinic study published in the June issue of Gastroenterology. http://www.physorg.com/news163061370.html Medicine & Health Mon, 01 Jun 2009 07:49:53 EST news163061370 (PhysOrg.com) -- Carbon nanotubes are at the center of the nanoelectronics research movement, with scientists making great progress toward getting nanotube-based electronic devices into the hands of consumers. But one area of carbon nanotube research where there has been considerably less success is creating repeating, regular patterns onto individual nanotubes, a task necessary for a key goal of nanoelectronics: patterning transistors directly onto nanotube surfaces. http://www.physorg.com/news161950586.html Nanotechnology Tue, 19 May 2009 11:17:36 EST news161950586 Researchers at the University of Gothenburg, Sweden, have developed a new method to study single cells while exposing them to controlled environmental changes. The unique method, where a set of laser tweezers move the cell around in a microscopic channel system, allows the researchers to study how single cells react to stress induced by a constantly changing environment. http://www.physorg.com/news161606605.html Physics Fri, 15 May 2009 11:43:50 EST news161606605 The online gallery for Princeton University's third Art of Science competition will go live Thursday, May 14, at noon EDT. An online site that allows members of the public to choose their favorite 2009 Art of Science image will go live at the same time. http://www.physorg.com/news161528913.html Other Sciences Thu, 14 May 2009 14:08:56 EST news161528913 Researchers at Eindhoven University of Technology for the first time have shown the earliest stages in biomineralization, the process that leads to the formation of bones, teeth and sea shells. http://www.physorg.com/news161518253.html Nanotechnology Thu, 14 May 2009 11:11:40 EST news161518253 It is a mystery to many people why the world is running out of oil when most of the world's oilfields have only been half emptied. However some of the oil that has been located is trapped as droplets of oil in small cavities in the surrounding rock or is stuck to the walls of the underground cavity and cannot be accessed by the techniques currently used in the oil industry. http://www.physorg.com/news161257391.html Space & Earth Mon, 11 May 2009 10:45:34 EST news161257391 (PhysOrg.com) -- In an effort to explore the boundary between thermodynamics and quantum mechanics -- two fundamental yet seemingly incompatible theories of physics -- a team from the UCLA Department of Physics and Astronomy has created the world's smallest incandescent lamp. http://www.physorg.com/news160845710.html Nanotechnology Wed, 06 May 2009 16:22:20 EST news160845710 (PhysOrg.com) -- In a blown-up image from a scanning tunneling microscope, it looks just like an endless sheet of chicken wire: a simple flat sheet made up of a lattice of hexagons. But this nanoscopic material called graphene, first generally acknowledged to exist just five years ago, turns out to have a variety of unique, and potentially very useful, characteristics -- ones several MIT researchers are actively trying to better understand and turn into real-world applications. http://www.physorg.com/news160750293.html Nanotechnology Tue, 05 May 2009 13:53:07 EST news160750293 (PhysOrg.com) -- Scientists know that cancerous cells and normal cells have different physical features, but the details of these differences, and why they occur, are not well understood. In a recent edition of Nature Nanotechnology, researchers report measurements of certain physical differences between the surfaces of normal and cancerous cells, suggesting a new way to characterize cancer cells and a possible route for detection. http://www.physorg.com/news160716698.html Nanotechnology Tue, 05 May 2009 04:32:02 EST news160716698 How do white blood cells - immune system 'soldiers' - get to the site of infection or injury? To do so, they must crawl swiftly along the lining of the blood vessel - gripping it tightly to avoid being swept away in the blood flow - all the while searching for temporary 'road signs' made of special adhesion molecules that let them know where to cross the blood vessel barrier so they can get to the damaged tissue. http://www.physorg.com/news160649845.html Medicine & Health Mon, 04 May 2009 10:02:28 EST news160649845 Ben W. Strowbridge, Ph.D, associate professor of Neuroscience and Physiology/Biophysics, and Yuan Gao, a Ph.D. student in the neurosciences program at Case Western Reserve University School of Medicine, are the first to discover a form of synaptic memory in the olfactory bulb, the part of the brain that processes the sense of smell. http://www.physorg.com/news160592963.html Medicine & Health Sun, 03 May 2009 18:09:42 EST news160592963 (PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding would be well understood and no longer interesting to today's researchers, but scientists are still studying the phenomenon. http://www.physorg.com/news160142165.html Physics Tue, 28 Apr 2009 12:56:30 EST news160142165 A piece of chalk in a laboratory at the University of Stavanger in Norway may be the key to unlock a great mystery. If the mystery is solved, it will generate billions in additional income for the oil industry. Associate Professor Merete Vadla Madland at the Department of Petroleum Engineering at the University of Stavanger is leading a group of geologists, petroleum engineers, rock mechanics, physicists, mathematicians and chemists who are now switching between modelling and experimental testing at the chalk laboratory. They are about to uncover the mechanisms behind water weakening. The answer to this riddle is crucial knowledge for oil companies to be able to predict the reservoirs` behaviour. http://www.physorg.com/news159792763.html Space & Earth Fri, 24 Apr 2009 11:53:06 EST news159792763 (PhysOrg.com) -- A recent Montana State University master's graduate is working with doctors at Vanderbilt Medical Center in Tennessee to build a handheld laser microscope that could someday reduce the number of biopsies needed to diagnose skin cancer. http://www.physorg.com/news159200399.html Medicine & Health Fri, 17 Apr 2009 15:20:46 EST news159200399 Kansas State University engineers think the possibilities are deep for a very thin material. http://www.physorg.com/news158850916.html Nanotechnology Mon, 13 Apr 2009 14:16:07 EST news158850916 (PhysOrg.com) -- Some of the brightest colors in nature are created by tiny nanostructures with a structure similar to beer foam or a sponge, according to Yale University researchers. http://www.physorg.com/news157914340.html Physics Thu, 02 Apr 2009 18:06:05 EST news157914340 Mapping the billions of connections in the brain is a grand challenge in neuroscience. The current method for mapping interconnected brain cells involves the use of room-size microscopes known as transmission electron microscopes (TEMs). Until now the process of mapping even small areas of the brain using these massive machines would have required several decades. In this week's open-access journal PLoS Biology, research teams at the University of Utah John A. Moran Eye Center and the University of Colorado at Boulder report technical advances that have reduced the time it takes to process high-speed "color" ultrastructure mapping of brain regions down to a few months. http://www.physorg.com/news157733857.html Biology Tue, 31 Mar 2009 15:59:13 EST news157733857 (PhysOrg.com) -- Science fiction fans still have another two months of waiting for the new Star Trek movie, but fans of actual science can feast their eyes now on the first movie ever of carbon atoms moving along the edge of a graphene crystal. Given that graphene - single-layered sheets of carbon atoms arranged like chicken wire - may hold the key to the future of the electronics industry, the audience for this new science movie might also reach blockbuster proportions. http://www.physorg.com/news157730577.html Nanotechnology Tue, 31 Mar 2009 15:03:37 EST news157730577 Chemists at the University of Illinois have created a simple and inexpensive molecular technique that replaces an expensive atomic force microscope for studying what happens to small molecules when they are stretched or compressed. http://www.physorg.com/news157558598.html Nanotechnology Sun, 29 Mar 2009 15:17:19 EST news157558598 (PhysOrg.com) -- Forget dancing angels, a research team from the National Institute of Standards and Technology (NIST) and the University of Colorado (CU) has shown how to detect and monitor the tiny amount of light reflected directly off the needle point of an atomic force microscope probe, and in so doing has demonstrated a 100-fold improvement in the stability of the instrument`s measurements under ambient conditions. Their recently reported work* potentially affects a broad range of research from nanomanufacturing to biology, where sensitive, atomic-scale measurements must be made at room temperature in liquids. http://www.physorg.com/news157206337.html Nanotechnology Wed, 25 Mar 2009 13:26:26 EST news157206337 Researchers at Eindhoven University of Technology (The Netherlands) have for the first time made high-resolution images of the earliest stages of bone formation. They used the world's most advanced electron microscope to make three-dimensional images of the nano-particles that are at the heart of the process. The results provide improved understanding of bone, tooth and shell formation. For industrial applications, they promise better materials and processes based on nature itself. The findings form the cover story of Science magazine's Friday 13 March edition. http://www.physorg.com/news156089519.html Nanotechnology Thu, 12 Mar 2009 15:12:43 EST news156089519 Arizona State University will be home to one of the world's most advanced electron microscopes, one that will enable researchers to do work essential to making significant advances in nanoscale aspects of solid state science and materials science and engineering. http://www.physorg.com/news155813933.html Physics Mon, 09 Mar 2009 10:39:20 EST news155813933