http://www.sciencedaily.com/news/matter_energy/detectors/ Detectors and electronics. Learn about every sort of detector, radar system and more from leading research institutes around the world. en-us Wed, 25 Nov 2009 10:05:01 EST Wed, 25 Nov 2009 10:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/matter_energy/detectors/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091117094935.htm The sensor of some optical mice can be used to easily and cheaply detect counterfeit euros, according to a study published by researchers in Spain. Almost 80 percent of counterfeit coins discovered in Europe in 2008 were two-euro coins. Tue, 17 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091117094935.htm http://www.sciencedaily.com/releases/2009/08/090806112353.htm Scientists in England are constructing highly sensitive detectors as part of an international project to understand the elements that make up the universe. Fri, 13 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/08/090806112353.htm http://www.sciencedaily.com/releases/2009/11/091112095046.htm Researchers have created bowtie-shaped antennae that function as the first tunable nano color sorters, able to capture, filter and steer light at the nanoscale. Wed, 11 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091112095046.htm http://www.sciencedaily.com/releases/2009/10/091021154916.htm A small molecule designed to detect cyanide in water samples works quickly, is easy to use, and glows under ultraviolet or "black" light. Although the fluorescent molecule is not yet ready for market, its creators report that the tool is already able to sense cyanide below the toxicity threshold established by the World Health Organization. Thu, 22 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091021154916.htm http://www.sciencedaily.com/releases/2009/10/091013105826.htm Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip. The sensor is up to 1,000 times more sensitive than technology now in clinical use, accurate regardless of which bodily fluid is being analyzed and can detect biomarker proteins over a concentration range three times broader than existing methods. Wed, 14 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013105826.htm http://www.sciencedaily.com/releases/2009/10/091008131856.htm Researchers have demonstrated a sensitive new way to use light to detect traces of tuberculosis bacteria in fluids. Their work may one day help health care workers identify people who are latently infected. Moreover, the technology may be amenable for widespread use in the developing world, where most cases of TB occur. Sat, 10 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091008131856.htm http://www.sciencedaily.com/releases/2009/10/091006104047.htm Researchers have created a CMOS (semiconductor) camera capable of filming individual photons one million times a second. Wed, 07 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006104047.htm http://www.sciencedaily.com/releases/2009/10/091006113012.htm High-energy heavy ion collisions can be a source of light flashes of a few yoctoseconds duration (a septillionth of a second, 10^-24 s) -- the time that light needs to traverse an atomic nucleus. This is shown in calculations of the light emission of so-called quark-gluon plasmas, which are created in such collisions for extremely short periods of time. Under certain conditions, double flashes are created, which could be utilized in the future to visualize the dynamics of atomic nuclei. Tue, 06 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006113012.htm http://www.sciencedaily.com/releases/2009/09/090925092650.htm A team of researchers from Spain has developed a "scintillating bolometer" -- a device that the scientists will use in efforts to detect the dark matter of the universe. Fri, 25 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090925092650.htm http://www.sciencedaily.com/releases/2009/09/090913134020.htm Imagine a polka-dotted postage stamp that can sniff out poisonous gases or deadly toxins simply by changing colors. Scientists have just developed an artificial nose for the general detection of toxic industrial chemicals that is simple, fast and inexpensive -- and works by visualizing odors. Mon, 14 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090913134020.htm http://www.sciencedaily.com/releases/2009/08/090826110120.htm Researchers are reporting development of a new electronic sensor that shows promise as a faster, less expensive, and more practical alternative than tests now used to detect DNA. Such tests are done for criminal investigation, disease diagnosis, and other purposes. The new lab-on-a-chip test could lead to wider, more convenient use of DNA testing, the researchers say. Thu, 03 Sep 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826110120.htm http://www.sciencedaily.com/releases/2009/08/090826152723.htm In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, researchers have developed a new, highly sensitive, low-cost technique for measuring light in the near-infrared range. Tue, 01 Sep 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826152723.htm http://www.sciencedaily.com/releases/2009/08/090826113825.htm A novel electronic sensor array for more rapid, accurate and cost-efficient testing of DNA for disease diagnosis and biological research has shown "excellent" sensitivity at detecting trace amounts of DNA. Fri, 28 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090826113825.htm http://www.sciencedaily.com/releases/2009/08/090811191656.htm Researchers have developed a new calibration technique that will improve the reliability and stability of the microhotplate -- a novel device being developed as the foundation for miniature yet highly accurate gas sensors that can detect chemical and biological agents, industrial leaks and even signs of extraterrestrial life from aboard a planetary probe. Tue, 25 Aug 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090811191656.htm http://www.sciencedaily.com/releases/2009/07/090731090013.htm A new chemical imaging technique could one day help in the fight against atherosclerosis, suggests new research. Atherosclerosis is the disease underlying most heart attacks and strokes and it is characterized by lesions in the arteries, made of fats, collagen and cells. Wed, 19 Aug 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090731090013.htm http://www.sciencedaily.com/releases/2009/08/090816170917.htm A special three-day symposium focusing on the neutrino, a strange subatomic particle that could help answer some of the universe's most compelling questions, is scheduled for Aug. 16-18 at the 238th National Meeting of the American Chemical Society in Washington, D.C. Tue, 18 Aug 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090816170917.htm http://www.sciencedaily.com/releases/2009/07/090729092541.htm Scientists have developed a new system for comparing the sensory performance of electronic noses against that of the fly -- a breakthrough which should lead to improved e-nose performance. Thu, 30 Jul 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090729092541.htm http://www.sciencedaily.com/releases/2009/07/090727191912.htm In the race for faster, cheaper ways to read human genomes, Pacific Biosciences is hoping to set a new benchmark with technology that watches DNA being copied in real time. The device is being developed to sequence DNA at speeds 20,000 times faster than second-generation sequencers currently on the market and will ultimately have a price tag of $100 per genome. Wed, 29 Jul 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090727191912.htm http://www.sciencedaily.com/releases/2009/07/090713100920.htm A method for printing a toxin-detecting biosensor on paper has been developed. The process involves formulating an ink like the one found in computer printer cartridges but with special additives to make the ink biocompatible. Sun, 19 Jul 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090713100920.htm http://www.sciencedaily.com/releases/2009/07/090715095241.htm A portable 'lab on a chip' that can identify target molecules in blood samples has been created. It is being used to measure fertility hormones and detect the genes associated with certain types of cancer. Much of modern medicine relies on the testing of blood and other samples for key molecules that confirm the presence of a specific disease or other disorder. Samples need to be sent to a laboratory and it may be several days before the result comes back. Wouldn't it be better if the result were available within a few minutes of the sample being taken, while the patient is still there with the doctor? Thu, 16 Jul 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090715095241.htm http://www.sciencedaily.com/releases/2009/06/090630180838.htm Improvised explosive devices (IEDs), the weapons of suicide bombers, are a major cause of soldier casualties in Iraq and Afghanistan. A group of engineering undergraduate students has developed a new way to detect them. Thu, 02 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630180838.htm http://www.sciencedaily.com/releases/2009/06/090630082647.htm It appears to be a paradox: ultra-thin material that absorbs all incident light. Nonetheless, it does exist. Researchers have demonstrated that at a thickness of 4.5 nanometer niobiumnitride (NbN) is ultra-absorbent. They have recorded a light absorption of almost 100%, while the best light absorption to date was 50%. This research brings the ideal light detector a step closer. Thu, 02 Jul 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630082647.htm http://www.sciencedaily.com/releases/2009/06/090629165557.htm They're digging tunnels along the US border at a fast and furious pace, but not a single one of them has ever been discovered by US border patrol agents using technology. That's going to change. Tue, 30 Jun 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090629165557.htm http://www.sciencedaily.com/releases/2009/06/090618125035.htm The next generation of instruments for ground-based telescopes took a leap forward with the development of a new ultra-fast camera that can take 1,500 finely exposed images per second even when observing extremely faint objects. The first 240x240 pixel images with the world's fastest high precision faint light camera were just obtained. Wed, 24 Jun 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618125035.htm http://www.sciencedaily.com/releases/2009/06/090624153110.htm A thorough cost-benefit analysis that includes an assessment of meaningful alternatives is needed to reveal the potential security advantages of deploying new detector systems to screen cargo for nuclear and radiological materials at US ports and border crossings. It is likely that the costs will exceed the savings gained from improved efficiency of the screening systems, says a new report. Wed, 24 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624153110.htm http://www.sciencedaily.com/releases/2009/06/090615144325.htm Combining high-definition positron emission tomography (PET) and "motion-frozen" technology provides enhanced cardiac images. Thu, 18 Jun 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090615144325.htm http://www.sciencedaily.com/releases/2009/06/090612115531.htm A new type of robot being developed will make it easier to detect drugs, weapons, explosives and illegal immigrants concealed in cargo containers. Tue, 16 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090612115531.htm http://www.sciencedaily.com/releases/2009/05/090529093152.htm Researchers say they've made a big improvement in a new breed of electronic detectors for viruses and other biological materials -- one that may be a valuable addition to the battle against epidemics. Mon, 01 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090529093152.htm http://www.sciencedaily.com/releases/2009/05/090526183928.htm In physics many subtle phenomena can be studied by allowing waves to interfere with each other. In an interferometer, light waves travel by two different paths, directed from place to place by strategically places mirrors, and converge at a detector, where they produce a striped interference pattern. Sat, 30 May 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090526183928.htm http://www.sciencedaily.com/releases/2009/05/090522132001.htm A synoptic view of European shipping routes can be seen for the first time thanks to a new map created using seven years of radar data from ESA's Envisat satellite. Despite the fact that ships are more energy efficient than other forms of commercial transportation, many marine engines operate on extremely dirty fuel that causes large emissions of air pollutants like sulphur dioxide and nitrogen dioxide. Wed, 27 May 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090522132001.htm http://www.sciencedaily.com/releases/2009/05/090521112824.htm Two speed measuring devices used by the law enforcement community -- the down-the-road radar with which officers enforce automobile speed limits and the ballistic chronograph which tracks the velocity of bullets during testing of protective equipment -- soon should be more useful tools thanks to new research. Fri, 22 May 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090521112824.htm http://www.sciencedaily.com/releases/2009/05/090517143332.htm Scientists have devised a new technique for real-time detection of freely moving individual neutral atoms that is more than 99.7 percent accurate and sensitive enough to discern the arrival of a single atom in less than one-millionth of a second, about 20 times faster than the best previous methods. Tue, 19 May 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090517143332.htm http://www.sciencedaily.com/releases/2009/05/090513121054.htm Researchers have built a test facility to evaluate and enhance sensors designed to detect buried land mines. The unique automated system measures the response of individual electromagnetic induction sensors or arrays of sensors against land mines buried at many possible angles. Mon, 18 May 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090513121054.htm http://www.sciencedaily.com/releases/2009/05/090508135000.htm The US military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel nanotube-coated power measurement device. Thu, 14 May 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090508135000.htm http://www.sciencedaily.com/releases/2009/04/090426175648.htm As researchers push towards detection of single molecules, single electron spins and the smallest amounts of mass and movement, researchers have demonstrated silicon-based nanocantilevers, smaller than the wavelength of light, that operate on photonic principles eliminating the need for electric transducers and expensive laser setups. The work ushers in a new generation of tools for ultra-sensitive measurements at the atomic level. Mon, 04 May 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090426175648.htm http://www.sciencedaily.com/releases/2009/04/090430065454.htm Quantum cryptography, a completely secure means of communication, is much closer to being used practically as researchers have now developed high speed detectors capable of receiving information with much higher key rates, thereby able to receive more information faster. Sat, 02 May 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090430065454.htm http://www.sciencedaily.com/releases/2009/04/090427091646.htm Scientists in Indiana are reporting development of a new biosensor for use in a faster, more sensitive test for detecting the deadliest strain of Listeria food poisoning bacteria. That microbe causes hundreds of deaths and thousands of hospitalizations each year in the United States, particularly among people with weakened immune systems.  Fri, 01 May 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090427091646.htm http://www.sciencedaily.com/releases/2009/04/090426094559.htm Checking natural gas pipelines for wear and tear costs big bucks. Sections of pipe must be manually exhumed to be tested for cracks or corrosion with acoustic or magnetic scanners. Scientists are now developing a way to monitor pipes continuously and remotely using embedded, low-power ultrasonic detectors. Tue, 28 Apr 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090426094559.htm http://www.sciencedaily.com/releases/2009/04/090419184753.htm Scientists have developed an innovative method for controlling light on the nanoscale by adopting tuning concepts from radio-frequency technology. The method opens the door for targeted design of antenna-based applications including highly sensitive biosensors and extremely fast photodetectors, which could play an important role in future biomedical diagnostics and information processing. Sat, 25 Apr 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090419184753.htm http://www.sciencedaily.com/releases/2009/04/090421120911.htm When photographers zoom in on an object to see it better, they lose the wide-angle perspective -- they are forced to trade off "big picture" context for detail. But now a new imaging method could lead to lenses that show all parts of the scene at once in the same high detail. The new method could help build more powerful microscopes and other optical devices. Wed, 22 Apr 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090421120911.htm http://www.sciencedaily.com/releases/2009/03/090325132334.htm A research team 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, work that potentially affects a broad range of research from nanomanufacturing to biology. Mon, 30 Mar 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090325132334.htm http://www.sciencedaily.com/releases/2009/03/090325155429.htm When high-energy cosmic rays interact with molecules in the atmosphere, they produce muons, negatively charged elementary particles that can be detected at ground level or underground. The rate of these muons detected by underground detectors has been found to correlate strongly with temperature changes in the upper air. Sat, 28 Mar 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090325155429.htm http://www.sciencedaily.com/releases/2009/03/090324101745.htm The fish species Astyanax fasciatus cannot see, but their unique technique for sensing their environment and the movement of water around them with gel-covered hairs that extend from their bodies may inspire a new generation of sensors that perform better than current active sonar. Fri, 27 Mar 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090324101745.htm http://www.sciencedaily.com/releases/2009/03/090323122437.htm In a dramatic rewrite of the recipe for life, scientists from Florida describe the design of a new type of DNA with 12 chemical letters instead of the usual four. This artificial genetic system already is helping to usher in the era of personalized medicine for millions of patients with HIV, hepatitis and other diseases, they say. Mon, 23 Mar 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090323122437.htm http://www.sciencedaily.com/releases/2009/03/090313150117.htm Scientists have discovered a way to sensitively detect explosives based on the physical properties of their vapors. Their technology is currently being developed into prototype devices for field testing. Fri, 20 Mar 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090313150117.htm http://www.sciencedaily.com/releases/2009/03/090311111019.htm Chemists have discovered a way to lower the cost and enhance the sensitivity of a tool used for stand-off detection in harsh environments like hazardous waste spills, blast furnaces and nuclear reactors. Tue, 17 Mar 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090311111019.htm http://www.sciencedaily.com/releases/2009/03/090311153414.htm Scientists have achieved the world's most precise measurement of the mass of the W boson by a single experiment. Combined with other measurements, the reduced uncertainty of the W boson mass will lead to stricter bounds on the mass of the elusive Higgs boson. Tue, 17 Mar 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090311153414.htm http://www.sciencedaily.com/releases/2009/03/090302090427.htm Researchers have developed electrochemical sensors that, amongst other functions, enable the detection of possible mutations in DNA in a more rapid manner that has been achieved to date. Tue, 10 Mar 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090302090427.htm