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and most of the detectors used in financial institutions are useless against themsays Matsumura. he paper
#A portable asbestos detector that could save thousands of lives. A European research project, ALERT, has developed an asbestos detection device that could save thousands of lives.
The project team is building the first real-time, portable detector of asbestos fibres in the air. The low-cost ALERT Rapid Asbestos Detection (ARAD) tool,
portable detector. ur challenge was to take this science and turn it into a practical and affordable instrument capable of alerting people to the potential presence of this lethal airborne carcinogen,
and there are currently no portable real-time airborne detectors on the market, he says. Until now, the only test possible was a laboratory analysis,
Germany and colleagues from Spain and India, has developed such a detector for UV radiation. This particular detector has a bandwidth of only six nanometres (nm.
This means its bandwidth is five times narrower than that of a comparable photodetector. The device is also sensitive to polarised light,
who developed the detector using a photosensitive layer of nonpolar gallium nitride (Gan) on a substrate of lithium aluminate (Lialo2).
The detector is used then to extract the optical fingerprint from the scattered light. A large number of photodetectors, with very narrow bandwidths, is necessary so as to simultaneously detect as many different substances as possible.
which allows the scientists to rationally design sensors and detectors. Because biological systems are particularly good at sensing changes in the environmentâ##our cells constantly monitor blood sugar
MISSILES AND PARASITES The heat-seeking detector, which is coupled to an infrared imaging microscope, allowed the team to detect the earliest stages of the malaria parasite in a single red blood cell.
The potential improvements in size ease cost and mobility of a terahertz-based detector are phenomenal Kono says.
The researchers however found a way to create a small detector that is visible to the naked eye.
#Detector could vastly improve night-vision goggles Monash University right Original Studyposted by Glynis Smalley-Monash on September 8 2014 Researchers have developed a light detector that could revolutionize chemical-sensing equipment and night-vision technology.
The detector which is interconnected based on the carbon atoms in graphene can sense light over an unusually broad range of wavelengths including terahertz waves between infrared
Existing detectors that work at room temperature are bulky slow and expensive. Fuhrer says the new detector worked at room temperature
and was already as sensitive as any existing room-temperature detector technology in the terahertz range
but was also more than a million times faster. he combination of sensitivity and speed for terahertz detection is simply unprecedentedhe says.
The nanoscale plasmon sensor used in the lab experiments is much smaller than other explosive detectors on the market.
MISSILES AND PARASITES The heat-seeking detector, which is coupled to an infrared imaging microscope, allowed the team to detect the earliest stages of the malaria parasite in a single red blood cell.
For the average person this means more sophisticated weather satellites remote controllers satellite communication or pollution detectors. his is a material innovation that s the first part
Current detectors are need bulky and to be kept cold to operate. That limits their usefulness for applications like weapons and chemical detection and medical imaging and diagnosis, says Jay Guo,
an engineering professor at the University of Michigan. ur detector is sensitive, compact and works at room temperature,
Though ultrasound detectors existncluding those used in medical imaginghe researchers made their own sensitive one in the form of a microscopic plastic ring known as a microring resonator.
The response speed of the new detector is a fraction of a millionth of a second,
and bounce back to your radar detector you detect the mailbox. Eleftheriades and Phd student Michael Selvanyagam s system wraps the mailbox in a layer of tiny antennas that radiate a field away from the box cancelling out any waves that would bounce back.
#Photon detector is quantum leap from semiconductors A new superconducting detector array can measure the energy of individual photons.
of physics at University of California Santa barbara. n a pixel-per-pixel basis it s a quantum leap from semiconductor detectors;
through near-IR using Microwave Kinetic Inductance Detectors (MKIDS. An MKID is a type of superconducting photon detector;
microwave refers to the readout frequency rather than the frequency at which the detectors operate.
MKIDS were developed first a decade ago by Mazin his Ph d. adviser Jonas Zmuidzinas professor of physics at the California Institute of technology and Henry Leduc at NASA s Jet propulsion laboratory.
In his lab at UC Santa barbara Mazin has adapted these detectors for the ultraviolet optical and near-IR parts of the spectrum.
which use light to change a chemical emulsionmazin explains. hen we switched from photographic plates to the charge couple devices (CCDS) contained in today s electronics per-pixel performance of the detectors went up by a factor of 20. n the last decade CCDS
and other semiconductor-based detectors for the optical and near-IR have started to hit fundamental limits in their per-pixel performancemazin adds. hey ve gotten about as good as they can get in a given pixel.
In medicine such networks could serve as martdrug deliverers or disease detectors at the cellular level.
The neutrino beam is monitored by a detector complex in Tokai and aimed at the gigantic Super-Kamiokande underground detector in Kamioka near the west coast of Japan 295 kilometers (185 miles) away from Tokai.
An analysis of the data from the Super-Kamiokande detector associated with the neutrino beam time from J-PARC reveals that there are more electron neutrinos (a total of 28 events) than would be expected (4. 6 events) without this new process.
The current T2k collaboration consists of over 400 physicists from 59 institutions in 11 countries.
Existing infrared detectors use cryogenically cooled semiconductors or thermal detectors known as microbolometers in which changes in electrical resistance can be correlated to temperatures.
#Rather than changes in resistance our detector works by connecting mechanical motion to changes in temperature.#
and by patterning it with these nanoscale antennas the conversion efficiency of the detector improves 10 times.#
#Student in Kenya Invents Solar Powered Forest fire Detector Efforts to curb forest loss around the world as a means of cutting carbon emissions just got a boost:
they can create ultra-sensitive detectors for explosives such as TNT, as well as at least two different types of pesticides.
##A detector attached to the rear windshield can scan the air for increased radiation levels,
They are also working on a fatigue detector and a detector for other states like distraction.
Using the new XFLASH V5 LE SDD detector, the S2 RANGER X-ray spectrometer achieves superb light element performance and analytical precision for applications in cement, minerals and mining, petrochemistry, and research.
With a larger detector area the spectrometer achieves higher sample throughput and lower detection limits.
The detectors need to be a similar size to the sample and the magnetic coils usually used cannot easily be made smaller than a few micrometres.
Its high-frequency microwave detector is cooled to just 0. 1 degrees above absolute zero which enables it to detect temperature variations as small as a millionth of a degree.
and a detector captures the signals like a viewer watching a cinema screen. The system records activity from the full brain every 1. 3 seconds.
one of the four main detectors at the Large hadron collider (LHC), which was behind the find.
In the future he hopes to improve his detectors to sense radiation from a single horizon which could help determine
The hypersensitive methane detector on NASA's Mars rover curiosity is being repurposed to ferret out gas leaks On earth.
Cliff Johnson president of the Pipeline Research Council International says the detector will help find leaks in pipelines before they get large.
For the first time satellites and ground-based detectors have watched as the planet sends out a tendril of plasma to fight off blasts of charged solar matter.
and Technology (NIST) in Boulder Colorado who developed the detector with NASA. Data must be encoded before it can be sent.
Mirin made a nanowire detector that operates at-270 C. This boosted the number of photons it received each second by two orders of magnitude compared with regular detectors.
which means that they must be aimed very precisely at detectors on the ground. To stabilise its pointing LLCD sits on devices that cancel out any vibrations on the LADEE spacecraft.
To maximise the chance of cloudless skies LLCD will be able to beam its light to any of three detectors in New mexico California or Spain.
Practical application of such a detector would therefore require increasing absorption efficiency such as by using multiple layers of graphene,
or in-pipe detectors, which sometimes use video cameras to look for signs of pipe breaks. But all such systems are very slow
At present, the 3 mph top speed of the device is imposed by the propulsion motors, not the detector itself,
however any given circumference around the detector is populated usually sparsely. That s the phenomenon that the new system exploits.
instead prescribe a detector along which the sensors are distributed in pairs. The regular spacing between pairs of sensors ensures that the scene reconstruction can be calculated efficiently but the distance from each sensor to the next remains irregular.
This new approach could ultimately lead to advances in solar photovoltaics, detectors for telescopes and microscopes,
Strano and the paper lead author, postdoc and plant biologist Juan Pablo Giraldo, envision turning plants into self-powered, photonic devices such as detectors for explosives or chemical weapons.
and therefore accumulate less charge in the detector while brighter regions would reflect more light
Filtering out noisethe photon registered by the detector could however be a stray photodetection generated by background light.
could be used in medical imaging and collision-avoidance detectors for cars, and to improve the accuracy of motion tracking
Scientists have fabricated already paper-based point-of-care diagnostic tests and portable DNA detectors. But these require complicated and expensive manufacturing techniques.
And more immediately they're already used in medical detectors for example the pregnancy tests you buy over-the-counter work use gold nanoparticles attached to antibodies.
#Better bomb-sniffing technology with new detector material University of Utah engineers have developed a new type of carbon nanotube material for handheld sensors that will be quicker
The technology also can be applied to existing detectors or airport scanners used to sense explosives or chemical threats.
"Unlike the today's detectors, which analyze the spectra of ionized molecules of explosives and chemicals,
#Engineers develop prototype of low-cost disposable lung infection detector Imagine a low-cost, disposable breath analysis device that a person with cystic fibrosis could use at home
To see as much detail as possible the team decided to use a set of electron detectors to collect electrons in a wide range of scattering angles an arrangement that gave them plenty of structural information to assemble a clear picture of the battery's interior down to the nanoscale level.
#Ultra-thin high-speed detector captures unprecedented range of light waves New research at the University of Maryland could lead to a generation of light detectors that can see below the surface of bodies walls and other objects.
Using the special properties of graphene a two-dimensional form of carbon that is only one atom thick a prototype detector is able to see an extraordinarily broad band of wavelengths.
A research paper about the new detector was published Sunday September 07 2014 in Nature Nanotechnology.
Lead author Xinghan Cai a University of Maryland physics graduate student said a detector like the researchers'prototype could find applications in emerging terahertz fields such as mobile communications medical imaging chemical sensing
however in part because it is difficult to detect light waves in this Range in order to maintain sensitivity most detectors need to be kept extremely cold around 4 Kelvin or-452 degrees Fahrenheit.
Existing detectors that work at room temperature are bulky slow and prohibitively expensive. The new room temperature detector developed by the University of Maryland team
and colleagues at the U s. Naval Research Lab and Monash University Australia gets around these problems by using graphene a single layer of interconnected carbon atoms.
Using a new operating principle called the hot-electron photothermoelectric effect the research team created a device that is as sensitive as any existing room temperature detector in the terahertz range
Graphene a sheet of pure carbon only one atom thick is suited uniquely to use in a terahertz detector
The concept behind the detector is simple says University of Maryland Physics Professor Dennis Drew.
The speed and sensitivity of the room temperature detector presented in this research opens the door to future discoveries in this in-between zone.
so that the specialized detectors could take a clearer look at the sample. With this innovation the team was finally able to obtain images as well as simultaneous chemical maps of where different elements are located in the sample.
but also demonstrate for the first time that Graphene based photodetectors surpass comparable detectors based on conventional materials concerning maximal data rates.
Bob has created a biomimetic detector that emulates what we are hypothesizing the squid skin'sees'Halas said.
Not only are we using the photodetector as an amplifier we're also using the plasmonic color filter as a way to increase the amount of light that goes into the detector he said.
Unstable and hungry for electrons The nanoscale plasmon sensor used in the lab experiments is much smaller than other explosive detectors on the market.
including flexible electronics such as antennas, chemical sensors and strain detectors.""It also would produce transparent electrodes for solar cells and organic light-emitting diodes,
For the average person this means more sophisticated weather satellites remote controllers satellite communication or pollution detectors.
#Remote Bomb Detector Uses Sound waves To Distinguish Between Types Of Explosives#A new type of bomb detection can sniff out how powerful an explosive#is from afar.
As it turns two X-ray detectors on either side scan it and a computer merges the multiple images generated into a whole three-dimensional CT SCAN.
It called FRED, for Field-Ready Electrochemical Detector, and it involves genetically engineered bacteria capable of sensing a variety of waterborne contaminants
A detector reads the response from the bacteria and after the reading is complete, a process that takes just one to two minutes,
and no deterioration of the detector excitation electrodes was observed after 12 hours of continuous operation n
"SMU is active on the LHC's ATLAS detector experimentwithin the big LHC tunnel, gigantic particle detectors at four interaction points along the ring record the proton collisions that are generated
With that many collisions, each detector captures collision events 40 million times each second. That's a lot of collision data, says SMU physicist Robert Kehoe, a member of the ATLAS particle detector experiment with Stroynowski and other SMU physicists.
We're working to improve the design for future detectors because by 2017 and 2018,
while at the same time maintaining the existing power supply and heat exchanger now in the ATLAS detector. The link will have the highest data density in the world of any data link based on the transmitter optical subassembly TOSA, a standard industrial package,
if Alice sets up a detector to measure the energy of the incoming photons, which sounds an alarm
The researchers discovered that they could burn a hole in the photodiode detector and render it either partially
They repeated the experiment using six detectors, and found that in each case"the damage was sufficient to permanently open the system up to the Trojan-horse attack,"
so that it misses the core of three of the four fibres leading to Bob's polarization detectors.
which detectors are used to measure which photons, and by doing so to steal the key unnoticed.
Better detectors Norbert Lütkenhaus of the University of Waterloo, who was involved not in the current work,
suggesting that an additional detector could be installed to register the light from any damaging laser beams.
But he points out that manufacturers will need to ensure that their new detectors are themselves resistant to any potential attack
use these techniques on a gram-scale object to reduce quantum noise in detectors, thus increasing the sensitivity to pick up on those gravity waves,
Having a portable sensor capable of detecting a drug chirality could be a game changer. nexpensive CPL detectors could be integrated into the drug production process to provide real time sensing of drugs
in a press release. ortable detectors could be used to determine drug chirality in hospitals and in the field. n research published in the journal Nature Communications,
The goal is to create a direct-to-consumer brand (like Nest initial strategy with thermostats and then smoke detectors.
#Scientists develop 3d printed Edge Detector that sorts sound waves If youe a naval captain using sonar, a gynaecologist conducting ultrasounds,
The National institutes of health recently awarded Zwart and coworkers a new detector for the development of this method on synchrotron light sources. ecent advances in detectors,
thus beating most of the currently used detectors. This novel technique enables sensitive DNA detection in compound biological samples e g.,
-Balancing Position Sensitive Detector (SBPSD) would make the Jamboxx more resistant to normal wear by avoiding a contact-method to track an input.
The Silicon-based linear detector was fabricated in SUNY Poly cleanrooms and is designed to track an LED,
The use of low-cost components such as LEDS, reflectors and USB detectors, combined with the all-plastic housing and lenses, will allow future versions of the prototype to be mass-produced h
-and a'detector'that responds to the presence of a specific chemical, biosensors act as the switches
as detectors for the protein fibers implicated in the development of neurodegenerative diseases such as Alzheimer's.
or other body fluid using the new detectors, or for drug researchers to put the amyloid proteins in water,
which utilises the faster detectors present in modern PET systems to more accurately locate the source of each pair of rays.
reflectors, and USB detectors, combined with the all-plastic housing and lenses will allow for future versions of the prototype to be mass-produced
The record was set using advanced single-photon detectors made of superconducting wires of molybdenum silicide.'
'We never could have done this experiment without these new detectors, which can measure this incredibly weak signal,
reflectors, and USB detectors, combined with the all-plastic housing and lenses will allow for future versions of the prototype to be mass-produced d
night-vision goggles and smoke detectors to surveillance systems and satellites--that rely on electronic light sensors. Integrated into a digital camera lens, for example, it could reduce bulkiness and boost both the acquisition speed and quality of video or still photos.
Future applications of such a DNA walker might include a cancer detector that could roam the human body searching for cancerous cells
techniques on a gram-scale object to reduce quantum noise in detectors, thus increasing the sensitivity to pick up on those gravity waves,
To understand just how the new acoustic edge detector works it is important to know that sound waves are reflected off edges in a remarkable way:
along with an ultra-sensitive pulse detector to capture the speed of conversion to electrical energy. When this arrangement was fired up and tested
and may eventually lead to detectors with such sensitivity that they could detect infinitesimally tiny amounts of gas in the order of parts per quadrillion.
#New Experiment Confirms Fundamental Symmetry In Nature With the help of the Large hadron collider (LHC) heavy ion detector ALICE (A large Ion Collider Experiment),
The team measured both the curvature of particle tracks within the detector magnetic field and the particlesflight time in order to calculate the mass-to-charge ratios.
After measuring both the curvature of particle tracks in the detector's magnetic field and the particles'time of flight
what we were trying to do was remove the relative motion between the body and detector system,
The new distance record was set using advanced single-photon detectors made of superconducting wires of molybdenum silicide that were about 150 nanometers
"We never could have done this experiment without these new detectors, which can measure this incredibly weak signal."
"The detectors used in this new experiment could record more than 80 percent of arriving photons, according to the scientists.
In comparison, the previous record-holder had operated detectors that with about 75 percent efficiency at best. Moreover, the new experiment detected 10 times fewer stray photons than the previous record-holder.
The researchers now plan to develop even better single-photon detectors to push distances for quantum teleportation even farther,
which we can advance sensor and detector technology rapidly. Tiny treelike nanostructures in the scales of Morpho wings are known to be responsible for the butterfly brilliant iridescence.
It is the first time that a single detector has been able to monitor the spectral range from visible light to infrared radiation and right through to terahertz radiation.
The HZDR scientists are already using the new graphene detector for the exact synchronization of laser systems.
and there it is the new graphene detector. Like no other single detector system which has gone before,
this comparatively simple and inexpensive construct can cover the enormous spectral range from visible light all the way to terahertz radiation."
had developed the precursor to the graphene detector. In his present position as a postdoc at the University of Maryland
These"hot electrons"increase the electrical resistance of the detector and generate rapid electric signals. The detector can register incident light in just 40 picoseconds these are billionths of a second.
Wide spectral range achieved through silicon carbide substratethe choice of substrate has now proved a pivotal step in improving the little light trap."
This optical universal detector is already being used at the HZDR for the exact synchronization of the two free-electron lasers at the ELBE Center for High-power Radiation Sources with other lasers.
So the scientists are using the graphene detector like a stopwatch. It tells them when the laser pulses reach their goal,
and the large bandwidth helps to prevent a change of detector from being a potential source of error.
obviating the need for the expensive and time-consuming nitrogen or helium cooling processes with other detectors.
The external antenna on the detector captures long-wave infrared and terahertz radiation and funnels it to a graphene flake
It is the first time that a single detector has been able to monitor the spectral range from visible light to infrared radiation and right through to terahertz radiation.
The HZDR scientists are already using the new graphene detector for the exact synchronization of laser systems.
and there it is the new graphene detector. Like no other single detector system which has gone before,
this comparatively simple and inexpensive construct can cover the enormous spectral range from visible light all the way to terahertz radiation."
had developed the precursor to the graphene detector. In his present position as a postdoc at the University of Maryland
These"hot electrons"increase the electrical resistance of the detector and generate rapid electric signals. The detector can register incident light in just 40 picoseconds these are billionths of a second.
Wide spectral range achieved through silicon carbide substrate The choice of substrate has now proved a pivotal step in improving the little light trap."
This optical universal detector is already being used at the HZDR for the exact synchronization of the two free-electron lasers at the ELBE Center for High-power Radiation Sources with other lasers.
So the scientists are using the graphene detector like a stopwatch. It tells them when the laser pulses reach their goal,
and the large bandwidth helps to prevent a change of detector from being a potential source of error.
obviating the need for the expensive and time-consuming nitrogen or helium cooling processes with other detectors c
night-vision goggles and smoke detectors to surveillance systems and satellites-that rely on electronic light sensors. Integrated into a digital camera lens, for example, it could reduce bulkiness and boost both the acquisition speed and quality of video or still photos.
night-vision goggles and smoke detectors to surveillance systems and satellites-that rely on electronic light sensors. Integrated into a digital camera lens, for example, it could reduce bulkiness and boost both the acquisition speed and quality of video or still photos.
The role of nanosensor between body surface and the detector is to strengthen the signal and taking samples through plasmonic effects of nanoparticles.
and find their way onto a detector, creating a diffraction pattern. By analyzing that pattern,
the detector must be placed close to the target material--similar to placing a specimen close to a microscope to boost the magnification.
hardly any photons will bounce off the target at large enough angles to reach the detector.
Using a distant detector on the other side of the sample, the researchers recorded the sample's high-resolution hologram,
This way they generate an interference pattern at the detector from which an atomic 3d-structure of the examined substance is reconstructed.
#Micro-magnetometer Nanowerk News) MIT researchers have developed a new, ultrasensitive magnetic-field detector that is 1, 000 times more energy-efficient than its predecessors.
Magnetic-field detectors, or magnetometers, are used already for all those applications. But existing technologies have drawbacks:
such as ultra-sensitive photo detectors to image distant stars, or flexible memory elements which could be used in wearable computers s
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