Articles tagged with Sensors
Researchers at KAUST are designing hybrid optical-acoustic sensors to collect high-quality data while minimizing noise pollution. The new system uses acoustic and optical signals for communication, allowing accurate location tracking and reducing energy consumption.
Researchers have developed a fast gluten detector that can detect and quantify different sources of gluten than current tests, providing more accurate results. The new test is faster, taking only 45 minutes, and can sense less than 20 parts per million of gluten, meeting the FDA's limit for 'gluten-free' designation.
Researchers have discovered a two-dimensional metallic material called MXene that can detect gases at very low concentrations, improving the sensitivity of chemical sensors. This could lead to early diagnosis and treatment of diseases such as ulcers, diabetes, cancer, cirrhosis, multiple sclerosis, and kidney disease.
A new silicon-based sensor developed by TU Wien measures electric field strength without distortion, with potential applications in weather forecasting, industrial process control, and high-voltage power line safety. The sensor achieves impressive levels of precision, reliably measuring weak fields of less than 200 volts per meter.
A new report describes a soft, flexible contact lens that monitors glucose levels in tears through wireless circuits, glucose sensors, and displays. The device can deliver real-time sensing results and alerts users if glucose levels are too high, offering potential for pre-diabetes screening and daily monitoring.
The Space Debris Sensor (SDS) will track orbital debris between .05mm and 3mm in size for two to three years, providing near-real-time impact detection capabilities. The sensor will help researchers map the entire orbital debris population and plan future sensors to mitigate damage from debris.
Researchers at NIST have demonstrated a quantum method for detecting digitally modulated magnetic signals that can travel through building materials and water. The technology has the potential to improve communication range and accuracy in environments where GPS signals are weak or unreliable.
A University of Sydney team has developed quantum control techniques to enable ultra-sensitive quantum sensors that can identify tiny signals while rejecting background noise. The new protocols reduce spectral leakage by many orders of magnitude over conventional methods, with applications in medicine and defence.
Researchers have developed a low-cost sensor using adhesive tape to analyze both liquid and solid samples, improving the accuracy of paper-based sensors. The device detects heavy metal ions in water without displacing indicator ink, making it reliable for environmental testing.
Researchers developed a transfer technique to grow high-performance gallium nitride gas sensors on sapphire substrates, which can be transferred to metallic or flexible polymer support materials. The new process doubles sensitivity and boosts response time by a factor of six.
Researchers have developed a new method using synthetic DNA aptamers to measure cocaine's effect on the brain in real-time with high resolution. The study aims to answer whether age-related differences are due to neuron sensitivity or drug concentration in specific brain areas.
Researchers have developed a portable and affordable wearable sensor, a ring that can detect chemical and biological threats, revolutionizing external threat detection. The device, designed with fashion in mind, offers a compact and non-invasive solution for widespread adoption.
Researchers at MIT have developed a flexible sensor that can be ingested to diagnose gastrointestinal disorders such as slow digestion and monitor food intake. The sensor measures the rhythmic contractions of the digestive tract, providing valuable information on stomach movement.
Researchers at Kyoto University have developed a more advanced radar-based device that can accurately measure the body's vital signals without attaching cumbersome wires. This technology has great promise for remote health monitoring and could potentially be integrated into household appliances to monitor residents' vitals.
Researchers at Georgia Institute of Technology propose a new way to gather and share information during natural disasters that does not rely on the internet. Using edge computing, mobile phones, routers, and other hardware can create a network, enabling emergency managers and first responders to share and act on information gathered fr...
Researchers use aerial drones to visualize Harmful Algal Blooms (HABs) in the York River, allowing for more efficient and cost-effective water sampling. The drones provide high-resolution images that complement satellite imagery and enable researchers to identify toxic algal species.
New leaf sensor technology measures plant water stress and detects wilting points, allowing for precise irrigation. The system uses a smartphone app to manage details, promising significant improvements in water-use efficiency.
Researchers have developed a DNA sensor system to measure Topo II enzyme activity, which is crucial for anti-cancer therapy. The system achieved synchronous detection of both Topo II and Topo I in human cell extracts, providing new insights into cancer treatment.
The USGS has awarded $4.9 million to six universities and a non-profit organization to support the transition of the ShakeAlert system into a production system. The partnership aims to improve the sensor and telemetry infrastructure across the western United States.
The new sensor array-based instrument uses superconducting quantum interference to detect small amounts of energy with improved sensitivity and bandwidth. This advancement enables accurate tracking of nuclear materials, such as plutonium isotopes, and improves astronomical studies of cosmic microwave background radiation.
NASA's Satellite Servicing Projects Division tested three rendezvous and proximity operations sensors in a simulated environment. The testing confirmed improved performance for light intensity and range measurements, and will help build flight cameras and Lidar systems for satellite servicing.
Scientists have developed a new technique to produce high-density clusters of aligned quantum sensors in diamond, just nanometers from the surface. This enables submolecular sensitivity for microscopy, allowing researchers to detect changes in protein concentration within single cells.
A team of researchers has created a personalized, 3D-printed 'earable' sensor that monitors core body temperature in real time. The device, integrated with data processing circuits and wireless module, detects ear temperature using infrared sensors.
A team of researchers created a highly sensitive soft capacitive sensor made of silicone and fabric that moves with the human body to detect movement. The sensor, which combines the qualities of both materials, improves sensitivity to movement by limiting deformation while stretching.
Researchers from PolyU develop nanocomposite sensors that can be sprayed on flat or curved surfaces, enabling real-time information on structural health. The sensors have a low fabrication cost, light weight, and higher frequency response than conventional sensors.
Researchers at the University of Waterloo developed a new sensor technology that can measure tiny objects with high accuracy, potentially leading to breakthroughs in medical diagnosis and gas detection. The sensor uses electromagnetism to determine mass, reducing interference and enabling wireless transmission of results.
Researchers at the University of Illinois developed a sensor that detects ammonia in breath, a sign of kidney failure. The device is sensitive enough to detect low levels, making it suitable for portable, disposable use.
The study successfully detected three magnitude 5 earthquakes since December 2016 without false alarms. Individual smartphones and 'smart' appliances could be part of a crowd-sourced network for earthquake early warnings in the future.
During the three-month campaign, scientists will validate GOES-16's advanced instruments using measurements from planes, ground-based sensors, unmanned aircraft systems, the International Space Station, and other sources. The goal is to ensure precise data for weather forecasting, severe storm warnings, and space weather predictions.
A new flexible sensor developed at the University of British Columbia holds potential for foldable touch screens and wearable devices. The sensor detects different types of touch, including swiping and tapping, even when stretched or bent.
A novel technology platform has been developed to monitor organs-on-chips, enabling long-term studies that closely model human physiology and responses. The platform integrates multiple sensors to track temperature, oxygen levels, and pH values, allowing for more accurate and efficient data collection.
Perena Gouma's invention uses semiconductor sensors to detect the flu virus in a patient's breath, potentially leading to earlier diagnosis and treatment. The handheld device has far-reaching implications for public health and may help prevent flu epidemics from spreading.
A team from the Hebrew University of Jerusalem has developed an on-chip sensor capable of detecting unprecedentedly small frequency changes, achieving record-high sensing precision with a small footprint that can be integrated with standard CMOS technology.
A new sensor system can detect worsening heart failure conditions in patients with high accuracy, potentially preventing hospitalizations and death. The system, developed by Boston Scientific, uses a suite of sensors to track heart rate, activity, breathing, and other physiological measures.
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.