Operation of self-aiming camera modeled on how part of brain works
...d and visual sources, it also learns what types of objects are preferred targets, Ray said. We want to teach it to ignore common objects and focus on unusual sounds or visual motions. Besides the obvious security applications, the self-a...Chemists spin materials to improve magnetic resonance data
...s astronomers tune into the radio waves emitted by objects in outer space, we tune into radio waves emitted from inner space," he said. Grandinetti likened the interference that confounds NMR signals to interference between......Kwaan leaders will receive numerous Tlingit sacred objects removed from the uninhabited village of Cape Fox, near Ketchikan, during the 1899 expedition. The objects, which include house posts, ceremonial blankets, totems, masks and carvings, have been in the collections of the Smithsonian Institute, Harvard...'Gold Bug' sheds light on how some gold deposits formed
...ss because it can't be manipulated and formed into objects of value or beauty. He says when either solid or liquid gold is ingested, it is toxic to most lifeforms. On the other hand, liquid gold and many other heavy metals are nottoxic to a group of microbes called extremophiles, or simple life formsknown to...Research highlights from Pacific Northwest National Laboratory
...Seattle Art Museum are encouraged to interact with objects found in a Chinese sacrificial burial plot using a new technology called the Virtual Reality Dig developed by PNNL and the University of Washingtons Human Interface Technology Laboratory, or HIT Lab. The system uses a gesture-recognition hardware and...Brain scan patterns identify objects being viewed
...ey to deciphering the brain's code for recognizing objects and faces, say the researchers. James Haxby, Ph.D...ve evolved there for recognizing faces, spaces and objects used for navigation. Others propose that the face recognition site might instead be specialized fo...Astrobiologist and national security expert Christopher Chyba named 2001 MacArthur
...exploring similarities and differences among other objects in the solar system. "Chyba has developed models to understand how Earth could have sustained life 3.5 billion years ago, when the Sun was 25 percent dimmer than it is today," noted the foundation. "He has proposed mechanisms for hospitable climatic...PNNL science, technology help keep America safe
... Building, in Washington, D.C. Looking for hidden objects with AID The Acoustic Inspection Device, or AID, originally was developed by PNNL for U.S. and Russian chemical weapons bilateral treaty verification and for inspection of chemical weapon stockpiles in Iraq following the 1991 Gulf War. A handh...Perception is stored in single neurones
...the brain and what principles govern how perceived objects are represented there. Scientists at Tuebingen's M...ure" (nature, January 17, 2002). Our perception of objects depends on our prior experience with them. What most people would call a bird is "obviously" a sparr......ars but are heard by bats as reflected echoes from objects in their path. The primary auditory cortex is key to the pallid bats ability to perform frequency tuning, selectivity for behaviorally relevant sounds, and interaural intensity difference (IID) sensitivity. The auditory cortex is the region of the c...Compounds rejuvenate rats, may aid humans
...performance, measured by their ability to remember objects and spatial orientation." The researchers found that old rats given the dietary regimen had an activity level about the same as those of middle-aged rats. The latest findings build on years of research into the aging process and these compounds, th...New x-ray technique images cartilage, may lead to earlier diagnosis of osteoarthritis
...ting in sharper images that highlight the edges of objects and make them stand out against complex backgrounds. And, DEI delivers the same dose of radiation that conventional x-rays deliver, perhaps even less. DEI works especially well for cartilage because it exists in very discrete shapes with clearly de...Hiroshima porcelain pieces provide insight into exposure levels
...zing the neutron-induced fission tracks on certain objects found in Hiroshima enables scientists to calibrate the nuclear fluence. Geologist Robert L. Fleischer (Union College in New York), S. Fujita (Radiation Effects Research Institute in Japan), and M. Hoshi (Research Institute for Nuclear Medicine and Bi...New post-genomic technique chronicles protein life cycles
...udy. Like Lego pieces that are used to build objects and structures, proteins are the building blocks for cellular activity and the development of tissues and organisms. Proteins are constantly added to and removed from the cellular building. If we want to follow this frenetic activity as it take...Bat sonar and anti-submarine warfare
...y determines the distance and direction of all the objects in a scene, but also reconstructs one specific objects shape. Whats really incredible is that they can do both simultaneously. In Simmons' experiments, t...New technology creates 'super soap'
...ology. Since bacteria survive for several hours on objects such as doorknobs, telephones, toys, etc., a technology that reduces the acquisition of bacteria by the skin would not only offer a consumer-relevant benefit but also would provide a new paradigm in germ control, says Dr. Shamim. Currently, this tech......ome from living things. Dead things, and man-made objects like discarded refrigerators and spent ordinance, ...rts, and in searching for mines and other man-made objects within a reef environment."...The mind may help restore movement to the immobile
SAN DIEGO - Moving objects just by thinking. That's something people do almost every time they move their bodies. Scientific work over the last 20 years has shown how neurons in the brain behave when we move our arms. More recently, this work has led to demonstrations of te...Physics tip sheet #18 June 19, 2002
...s been experimentally confirmed. The force between objects is attractive in most cases but is a big problem for nanodevices, which could effectively weld solid from the effect. However, new calculations show that the Casimir effect still holds surprises and that some common techniques for predicting the effe...Frozen 'lake' beneath Antarctica ideal to test sterile drilling techniques
...ok for high-energy neutrinos originating in exotic objects outside our solar system, such as black holes or the active centers of distant galaxies. AMANDA will become part of a larger, kilometer-scale neutrino observatory named IceCube, for which funding by NSF began earlier this year. Based on measurements ...