Articles tagged with Sensors
Case Western Reserve University researchers create sensor-enabled geometric blocks to assess cognitive skills, revealing hyperactivity and performance accuracy. The technology allows for customizable testing and training for individuals of any age, including those with developmental disabilities or brain trauma.
Researchers at Oregon State University have developed an exceptional sensing device using diatoms and optical sensing, with sensitivity up to 10 million times higher than some common approaches. The technology has endless applications in health monitoring, environmental protection, and other fields.
A team of chemists from the Complutense University of Madrid has developed a simple and low-cost method to measure beer freshness using a polymer sensor and a smartphone app. The results show that the new system is comparable to more sophisticated methods, such as gas chromatography coupled with mass spectrometry.
A graphene-based sensor and switch have been developed to detect individual CO2 molecules and VOC gas molecules, which are difficult to detect due to their low concentrations. The technology has the potential to improve air quality in homes with good insulation, reducing health problems such as sick building syndrome.
Experimental physicists at Saarland University developed a flexible security solution that can detect changes in the Earth's magnetic field. The sensor cable system issues a warning signal when it registers a change in the field strength, making it ideal for monitoring gardens, driveways, and livestock.
Researchers at KAUST created a low-cost sensor using everyday materials to detect external stimuli. The 'Paper Skin' sensor performs well as an artificial skin application while integrating multiple functions using cost-effective materials.
Kyoto University and Panasonic Corporation have created a new remote-sensing technology that can measure heartbeats in real-time and with high accuracy. The system uses millimeter-wave radar and signal analysis algorithms to extract heartbeats from the radar signal, differentiating them from other body signals.
A team of researchers developed a unique sensing device using chewing gum and carbon nanotubes that can track breathing and detect humidity changes. The flexible sensor, which can withstand bending and stretching up to 530% strain, has the potential to monitor body functions around the clock.
Scientists developed a simple method to quickly detect meat spoilage using nanotubes, providing real-time analysis and high sensitivity. The test reacts in under an hour to a teaspoon of vapor emitted by the samples, indicating freshness.
Dartmouth Thayer Engineering researchers Eric Fossum and Jiaju Ma have made a breakthrough in light sensing technology, developing pixels that can significantly enhance low-light sensitivity. The new Quanta Image Sensor (QIS) has the potential to improve applications such as security cameras, astronomy, and life science imaging.
Case Western Reserve University researchers are developing sensors to alert structural and wildland firefighters of hazards in the air after they've entered the 'fire overhauling or mop up' phase. The sensors will expand on NASA's compact particulate and gas sensors to detect toxic gases, including formaldehyde and acrolein.
Researchers develop an antigen-sensitive hydrogel integrated into a small wireless sensor to detect early surgical site infections in orthopedic implants. The test has the potential to guide therapy, improve outcomes and reduce readmissions and costs associated with implant-related infections.
The University of Montana's Sunburst Sensors won a $1.5 million XPRIZE for developing an affordable and accurate pH sensor to measure ocean chemistry, recognizing efforts to combat ocean acidification. The company, founded by UM professor Mike DeGrandpre, employed 9 people at the time of the win.
A study by Northwestern University found that smartphone sensor data can detect depression with 87% accuracy, analyzing time spent on phones and daily locations. The research uses GPS tracking and algorithms to identify patterns associated with depression, paving the way for passive detection and potential interventions.
A new sensor developed by MIT chemists uses carbon nanotubes to detect gases emitted by rotting meat, offering a cheaper and more accurate alternative to traditional methods. The sensor could reduce food waste by identifying safe consumption dates for perishable items.
The new sensor system detects anomalies in machinery behavior and provides early warnings of potential failures. By analyzing data from multiple sensors, the system can predict when parts need to be replaced or repairs can be postponed, reducing downtime and costs.
A novel sensor technology developed by Saarland University's experimental physicists can detect vibrations caused by intruders or drones approaching a fence. The system consists of a thin cable with magnetic field sensors that provide accurate location data and automatically identify false alarms.
The University of Houston has been awarded a contract from the U.S. Department of Homeland Security to design and implement faster, more autonomous, and less expensive bio-threat detection systems. The goal is to create multi-tiered sensor systems that can detect biological and chemical threats in real-time.
A team of researchers from the University of the Basque Country has analyzed the most suitable configurations to minimize delays in multi-hop Bluetooth networks. The study found that permanent node connections result in minimal delay, while varying delay between one hop and another.
A new study from the University of Pennsylvania demonstrates the feasibility of using low-cost wearable inertial sensors to detect firearm usage with over 99% accuracy. The technology has the potential to enhance deterrence and detection of firearm use in community-supervised populations.
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 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 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 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.