Articles tagged with Sensors
Researchers at Washington University in St. Louis developed a new sensor that can detect and count nanoparticles as small as 10 nanometers, one at a time. The sensor uses Raman microlasing technology to achieve high sensitivity and biocompatibility.
Researchers at UC Berkeley developed a tiny laser sensor that can detect minute concentrations of explosives, including pentaerythritol tetranitrate, an explosive favored by terrorists. The device has the potential to replace traditional bomb-screening methods and could also be used to detect unexploded land mines.
A new study by Fraunhofer Institute explores the biomechanical loads resulting from collisions between robots and humans. Researchers use a pendulum to measure force, pressure distribution, and impact velocity to identify thresholds for injuries.
A team of researchers at KAIST has developed a flexible, wearable sensor that can directly measure goose bumps on the skin, which is caused by sudden changes in body temperature or emotional states. The sensor uses a coplanar capacitor and detects piloerection through a simple linear relation between deformation and capacitance change.
Researchers developed ParentGuardian, an app that combines a sensor and smartphone to detect stress in parents and deliver evidence-based strategies. The system was tested on parents of children with ADHD, who reported significant reductions in stress.
Researchers from NUS have developed a novel fluorescent sensor, GHB Orange, to identify the presence of gamma-hydroxybutyric acid (GHB) in beverages. The sensor can detect GHB in under 30 seconds, making it a valuable tool for preventing drug-facilitated sexual assault.
Researchers at Saarland University have developed a novel sensor system that can monitor airborne contaminants and automatically adjust ventilation levels to maintain high-quality indoor air. The system has the potential to reduce energy consumption by up to 50% and minimize health hazards associated with poor air quality.
Researchers at MIT develop WiTrack, a system that tracks movement through walls with high accuracy using low-power radio signals. The technology has potential applications in gaming, fall detection among the elderly, and other areas where accurate location tracking is required.
The IceCube Neutrino Observatory has discovered 28 high-energy neutrinos from outer space, with some having energies a thousand times greater than those created in particle accelerators. The detection provides evidence for cosmic acceleration and opens up new avenues for understanding the universe.
A new study suggests upgrading technology and relocating seismic stations in California can improve the warning time, particularly in areas poorly served by the existing network. In Taiwan, a low-cost sensor experiment has created a high-density network that can issue early warnings within 20 seconds of an earthquake detection.
A new dual-band infrared remote sensing system has been developed by Chinese researchers, allowing for the simultaneous detection and identification of thermal infrared signatures. This innovation enables higher sensitivity for measuring IR spectra than existing combined imaging and spectral-analysis devices.
A new pathway has been identified by UNC researchers that triggers septic shock, a condition where the immune system overreacts to bacterial infections. The pathway involves two sensors: one outside and one inside cells, both detecting lipopolysaccharide, a molecule found in bacterial cell membranes.
A University of Tennessee professor and student have developed a quick and easy-to-use sensor that can detect trace amounts of biodiesel contamination in diesel. The sensor uses a dye that changes color when biodiesel is present, allowing for rapid detection at concentrations as low as 0.5 parts per million.
Researchers have developed a new method using inertial sensors to accurately measure horse movement and detect lameness and Wobblers disease. This allows for better analysis of movement patterns in horses with lameness and enables veterinarians to monitor diagnostics and rehabilitation outside the gait lab.
Chemists at Johannes Gutenberg University Mainz developed a new method for parallel protein analysis, detecting hundreds or thousands of different proteins. The test strips bearing gold nano-particles can identify specific proteins in tiny samples, making it suitable for rapid disease diagnosis and environmental toxin detection.
Researchers at Ohio State University have developed a coating that can protect silicon-based electronics from interfering with the human body's electrolytes. This breakthrough technology could lead to sensors that detect organ rejection and enable the development of implantable devices that replace damaged nerves.
University of Washington researchers have developed WiSee technology that leverages Wi-Fi signals to detect specific movements without needing sensors or cameras. The system accurately classifies nine different gestures with a high accuracy rate, paving the way for a smart home reality.
A team of engineers from Sweden and Spain has developed an electronic nose with 32 sensors that can identify the distinct odors of pears and apples. The device uses metal oxide semiconductors to detect volatile compounds and processes data through classification algorithms.
Researchers at Universidad Carlos III de Madrid have developed a new GPS system that improves position determination by up to 90% in urban settings. The system combines conventional GPS with accelerometers and gyroscopes to reduce margin of error, enabling applications such as cooperative driving and autonomous vehicles.
Researchers at the University of Alberta have developed a receptor-free nanomechanical infrared spectroscopy method to detect trace amounts of explosives in complex mixtures. This technique increases selectivity and sensitivity, allowing for the detection of specific molecules even with high concentrations of interfering molecules.
Researchers at NASA's Goddard Space Flight Center are developing graphene-based sensors to detect atomic oxygen and other trace elements in the upper atmosphere, as well as structural strains in spacecraft. The sensors could greatly simplify the measurement of atomic oxygen and provide insights into the impact on spacecraft lifetime.
The CSIRO sensor uses technology similar to mineral deposit detection, providing valuable geological information and avoiding unnecessary drilling. The device has the potential to help clear landmines and renew exploration efforts at abandoned sites.
Researchers have developed a new method to create carbon nanotube sensors using mechanical pencils, overcoming the need for hazardous solvents. The sensors detect minute amounts of gas by altering electrical current flow through the nanotubes.
Tropical Storm Nadine has weakened significantly with light rainfall surrounding its center of circulation, according to NASA's TRMM satellite data. The storm is expected to turn west and northwest as it moves around a high pressure area.
Farmers can create detailed maps using NASA and USGS Landsat satellite data to identify areas suitable for crops, reducing fertilizer waste and promoting sustainable agriculture. The technology uses band combinations to rapidly recognize features and changes over time, supporting crop analysis and decision-making.
Tropical Storm Nadine strengthened to a hurricane on September 14 and weakened back to a tropical storm on September 16. NASA's Global Hawk aircraft investigated the storm, capturing data using instruments and dropsondes, while satellites obtained imagery from space.
Researchers create super-sensor using nanoscale gold spheres to detect single samples of the smallest known viruses. The sensor uses 'whispering gallery mode' to measure precise frequency changes, allowing for accurate detection and sizing of viruses.
The US Department of Homeland Security is conducting a series of tests in the Boston subway system to measure the real-world performance of new sensors designed to detect biological agents. The sensors, developed by several companies, are expected to identify and confirm the release of biological agents within minutes.
A new hand-held sensor detects high levels of carbon dioxide in classroom air, which can cause drowsiness and negatively impact learning. The sensor's data can help optimize HVAC systems to improve indoor air quality.
Researchers at Drexel University have developed a sensor technology that can detect DNA in liquid samples, allowing for quick identification of harmful cells and bacteria. The 'diving board' sensors use electric current to measure the vibration frequency of a cantilever, enabling sensitive and timely tests.
UC Berkeley's BEACON network uses 40 sensors to provide real-time, neighborhood-by-neighborhood measurements of carbon dioxide and other air pollutants. The system aims to inspire local actions to reduce CO2 emissions and inform policy making.
A team of scientists used elephant seal data to gather direct measurements on Fimbul Ice Shelf melting, revealing parts are melting at lower rates than predicted. The study confirms a 20-year-old theory about ice shelf melting and provides insights into water circulation and temperature changes in eastern Antarctica.
The My Air, My Health Challenge offers a cash award of $100,000 for the most effective solution in integrating physiological and air quality data. The competition aims to better understand the connection between air quality and health, and will collaborate between health researchers and technologists.
A new mini-sensor, Chip-scale Atomic Magnetometer (CSAM), has successfully measured the magnetic field of the human brain. The sensor's room temperature operation capability makes it more versatile than conventional cryoelectronics, which are limited to low temperatures.
Researchers have developed portable gas sensors that can monitor ozone, greenhouse gases, and air pollutants with high-resolution mapping capabilities. The sensors use various technologies, including laser sensors and deep ultraviolet LEDs, to detect small amounts of atmospheric gases.
The NIST mini-sensor successfully measured alpha waves in the brain and signals resulting from hand stimulation, verifying its potential for biomedical applications. It may be useful in magnetoencephalography (MEG), a noninvasive procedure measuring magnetic fields produced by electrical activity in the brain.
The Transportable Array has reached the US East Coast with the installation of Station 457A in Yulee, Florida. This station generates 3-D 'CT scan' images of the North American continent's geologic structure, providing unprecedented detail about Earth's interior.
A new orthopaedic smart device provides real-time diagnostic data to enable precise post-surgical diagnosis and follow-up. The device, made possible by tiny wireless sensors, can monitor load, strain, motion, temperature, and pressure in orthopaedic implants.
A NIST biophysicist and CU collaborator developed a microfluidic system that records biochemical reactions over milliseconds to seconds in living human cells modified as FRET sensors. The system measures sensor signals at two points in time at a rate of up to 15 cells per second, enabling the study of protein folding or neural activity.
Abnormal regulation of viral sensors can lead to autoimmune pathology, according to a new study using a mouse model of human autoimmune disease. The research identifies key pathways linking DNA detection with IFN production and drives different aspects of the immune response.
The NIST SCUBA-2 camera is the world's largest submillimeter camera, containing over 10,000 superconducting sensors. It will enable faster and more accurate mapping of the sky, producing better images and sky maps.
The Thermal Infrared Sensor (TIRS) has successfully completed its first round of thermal vacuum testing at NASA's Goddard Space Flight Center. The test evaluated the fully-assembled instrument at its normal operating temperature, achieving results that surpass expectations in some areas.
Researchers at Tel Aviv University have developed a pocket-sized sensor that can detect 'date rape' drugs with 100% accuracy. The sensor works by detecting subtle changes in the optical properties of the drink, alerting users to potential danger.
The Operational Land Imager (OLI), built by Ball Aerospace & Technologies Corp., has been approved for shipment to Orbital Sciences Corporation. OLI will provide more sensitive land cover information and better detect changes over time, benefiting scientific, commercial, and governmental users.
Researchers from Uppsala University have developed a wireless sensor that can stretch to measure intensive body movements, paving the way for new applications in health monitoring and remote control. The sensor's design enables wireless measurement of repeated bending across large areas or moveable parts.
Researchers from NC State University have designed a sensor that can measure strain in structural materials and heal itself when broken. The sensor, which uses infrared light to detect changes in length, contains a UV-curable resin that hardens upon damage, allowing it to repair automatically.
The NIST sensor detects many different trace gases at fast rates with high sensitivity, built from off-the-shelf technology for portability and commercial potential. The key is using radiation at terahertz frequencies to rotate gas molecules uniquely for identification and measurement.
The new miniature sensors, developed by University of Southampton researchers, can measure ocean temperature and salinity with high precision. The sensors will be tested on an expedition from Australia to Mauritius, providing valuable information about climate change.
The University of Cincinnati has developed a highly sensitive sensor combining electrochemistry, spectroscopy, and selective partitioning to detect compounds in low concentrations. The three-mode sensor has been tested in various settings, including nuclear waste storage tanks and superfund sites.
Researchers aim to create an integrated chip that detects multiple biological and chemical agents simultaneously, using integrated photonics and surface coatings. The goal is to achieve high sensitivity and specificity for detecting various threats.
Researchers developed a simple sensor to detect triacetone triperoxide (TATP), a high-powered explosive used in shoe bombs. The colorimetric sensor array can quantify TATP vapor at very low levels, making it suitable for luggage and passenger screening at airports.
Researchers from Michigan State University are creating a new wearable sensor network to assess physical activity and well-being. The system uses three small wireless sensors that measure frequency, intensity, time, and type of activity, providing valuable information for remote assessment and management.
Researchers have developed revolutionary ultrasonic transducers that can generate and detect ultrasound at scales a thousand times smaller than conventional ultrasonics. These tiny devices can be used to perform intracellular ultrasonics, produce high-frequency ultrasounds smaller than visible light wavelengths.
Researchers developed a novel method to correct data for humidity's cross-sensitivity in open-path sensors, aligning with previous studies' results. This robust method enables widespread use of open-path sensors for air-sea carbon dioxide flux estimation.
A Spanish study detects counterfeit euros using optical mouse sensors, with 79% of 2008 European coins found to be two-euro coins. The system compares images captured by the sensor with reference images from genuine coins, allowing for accurate detection.
Researchers at NC State University aim to redesign traditional firefighter gloves for better hand dexterity and fire protection. They will test various textile materials and design prototypes using the state-of-the-art PyroHands Fire Test System.
Researchers at Georgia Tech 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.
A network of low-power wireless sensors will be used to capture and transmit data on bridge conditions, reducing inspection costs. The technology aims to identify signs of corrosion and wear in aging bridges before they fail, ensuring public safety.
Researchers at the University of Washington have developed two new cell phone applications, UbiFit and UbiGreen, to automatically track workouts and eco-friendly transportation. These programs display motivational pictures on the phone's background screen, motivating users to maintain their exercise routine and green habits.
Researchers from the University of Granada and University of Valencia have confirmed natural electric activity in Titan's atmosphere using data from the Huygens probe. This discovery increases the likelihood of organic molecules forming on Titan, which could be precursors to life.