Articles tagged with Sensors
Researchers from the University of Cambridge have developed a robotic sensor that reads Braille at twice the speed of humans, achieving 87% accuracy. The breakthrough uses machine learning algorithms to 'deblur' images and recognize letters, paving the way for potential applications in robotics and prosthetics.
A new type of mechanical sensor, powered by sound waves, could monitor infrastructure and medical devices without battery replacement, reducing waste. The sensor can distinguish between different words and sounds, triggering processes or alarms.
A team of researchers from Harvard and Texas developed a soft implantable device with dozens of sensors to record single-neuron activity stably for months. The device uses fluorinated elastomers and is 10,000 times softer than conventional flexible probes.
Researchers at MIT developed a battery-free sensor that can harvest energy from its environment, allowing for long-term data collection in remote settings. The sensor uses a network of integrated circuits and transistors to store and convert energy efficiently, eliminating the need for batteries.
A team at HZB has developed a new measurement method that accurately detects tiny temperature differences in the range of 100 microkelvin in the thermal Hall effect. This allows for the study of quantum materials and their exotic properties.
Researchers have created a prototype model that detects 'forever chemicals' in water using a luminescent metal complex attached to a sensor surface. The approach can detect 220 micrograms of PFAS per liter of water, but needs to be more sensitive to detect nanogram levels for drinking water.
A new Northwestern University-led fuel cell harvests energy from microbes in soil to power underground sensors, potentially offering a sustainable alternative to batteries. The technology outlasts similar technologies by 120% and can operate in both wet and dry conditions.
Researchers developed a network that combines 3D LiDAR and 2D image data to improve small object detection accuracy. The model outperformed existing methods in various noise conditions, with average precision improvements of up to 7.18%.
Researchers demonstrate a new method to synthesize complex-frequency waves (CFW) to amplify molecular signals in graphene-based surface-enhanced infrared absorption (SEIRA). This approach increases the sensitivity of traditional SEIRA technologies, enabling the detection of trace molecules currently undetectable. CFWs enhance molecular...
A study of 1,471 children found that early-life digital media exposure is associated with atypical sensory processing in multiple domains. The findings suggest that excessive screen time may be a potential risk factor for the development of atypical sensory profiles.
Agricultural productivity growth has significantly contracted; researchers need collaboration to tap into new technologies like wearable sensors, IoT-enabled devices, and AI. These cutting-edge tools can enhance monitoring of food safety, quality, and plant health.
A new study at Hebrew University uncovered a previously unknown connection between light and magnetism, enabling the control of magnetic states with light. This breakthrough paves the way for high-speed memory technology and innovative optical sensor development.
Researchers develop non-toxic colloidal quantum dots enabling high-performance shortwave infrared photodetectors and image sensors. The new material exhibits remarkable performances, including a spectral range of 350-1600nm.
A team of researchers discovered a multiprotein complex involving NLRP3, AIM2, NLRC4, and Pyrin that drives PANoptosis, a type of programmed inflammatory cell death. The findings have implications for understanding inflammasome biology and identifying potential therapeutic targets.
The researchers designed a capsule about the size of a multivitamin, powered by a small battery, which vibrates to activate mechanoreceptors in the stomach. This activation stimulates hormone release patterns similar to those following a meal, reducing food intake and slowing weight gain by 40 percent.
A new wireless tracking system, developed by UC San Diego engineers, enables accurate localization of objects in dynamic environments. The system overcomes camera-based limitations and provides centimeter-level accuracy, opening up new possibilities for enhanced XR experiences.
A new map showing all above-ground biomass in the Brazilian Amazon has been published, derived from a study combining airborne laser scanning, satellite imagery, and forest inventories. The results show an average of 174 metric tons of biomass per hectare and a maximum of 518 tons per hectare.
Researchers developed a novel cancer sensor using viral enhancement and nanomaterials, achieving ultra-high sensitivity in detecting breast cancer cells. The new P-DBS technology outperformed existing electrical-based sensors in terms of sensitivity and signal contrast.
Researchers have identified a previously unknown endogenous acid sensor in plant cells that responds to changes in pH levels. The acid sensor triggers the release of calcium ions from an endoplasmic reticulum, which activates cellular responses to external stimuli such as infections or drought.
A novel low-cost UAV platform for electrical transmission line inspection has been developed, utilizing a GNSS receiver, RGB camera, and mm wave radar. The system enables small drones to inspect transmission lines at close range, addressing challenges such as magnetic field interference and harsh environments.
Researchers at Washington State University have developed a single strand of fiber that combines the flexibility of cotton with the electric conductivity of polyaniline. The newly created material showed good potential for wearable e-textiles, including detecting hazardous exposures and tracking human vital signs.
Scientists at IPC PAS create peptide-based sensors to detect inflammation and chronic diseases, offering a promising alternative to traditional methods. The study uses phage-display method to identify CRP-binding peptides, achieving higher affinity and detection efficiency than antibodies.
A new study on wearable health monitors reveals that a failure to understand race leads to flawed technology, exacerbating existing racial health inequities. The researchers found significant challenges with 'race correction' in health technologies, which assumes biology over system racism.
Researchers at the Center for Development of Functional Materials created a sensor to monitor metronidazole levels in organisms and the environment. The sensor, combining magnetic fluorescent nanoparticles, showed good sensitivity and practical advantages, enabling real-time analysis and ease of handling.
ChromoSense uses a translucent rubber cylinder with colored sections to detect changes in bending, stretching, compression, and temperature. The device has potential applications in wearable technologies and soft robots, offering a more targeted and information-dense sensing solution than traditional camera-based systems.
A new proof-of-concept study demonstrates the use of distributed fiber optic sensing to detect and analyze the sound of periodical cicadas. The technology shows promise for charting the populations of these famously ephemeral bugs, with potential applications in monitoring insect abundance across seasons and years.
A new deep learning-based detection system has been developed by INU researchers to improve the detection capabilities of autonomous vehicles. The system, aided by IoT technology, generates bounding boxes and confidence scores for visible obstacles using point cloud data and RGB images as input.
Researchers at the University of Sydney have invented a compact silicon semiconductor chip integrating electronics with photonic components, significantly expanding radio-frequency bandwidth and filter control. The new technology has potential applications in advanced radar, satellite systems, wireless networks, and telecommunications,...
Researchers developed an integrated wearable sensor device using gold nanowires to measure multiple bio-signals simultaneously. The sensors demonstrated remarkable performance in detecting muscle tremors, heartbeat patterns, and body temperature changes.
Researchers developed an ingestible capsule to measure vital signs from within the GI tract, detecting sleep apnea episodes and breathing rate depression. The device shows promise for early detection of respiratory changes, including those caused by opioids or asthma/COPD.
Researchers developed soft, miniaturized wearables that continuously track subtle body sounds wirelessly across the body. The devices offer new functionalities and provide highly accurate, real-time evaluation of patient health.
A novel robotic system developed by USC researchers can help clinicians accurately assess a patient's rehabilitation progress. The method generates an 'arm nonuse' metric using machine learning and a socially assistive robot to track how much a patient is using their weaker arm spontaneously.
A team led by Lehigh University's Yahong Rosa Zheng is developing an Autonomous Observatory Node that can collect and transmit data from underwater sensors wirelessly, without the need for expensive subsea cables. The prototype aims to operate at depths of up to 1000 meters, enabling researchers to study extreme environments and detect...
Researchers at Purdue University have developed noninvasive wearable sensors that can measure uric acid levels in human sweat, offering faster and more accurate diagnosis, therapy, and prognosis for conditions like anxiety and hypertension. The sensors, called EPICS, have higher sensitivity and better wearability than traditional sensors.
The Pitt team will receive $2,274,859 to develop buoy-based optical fiber sensors for measuring pH and carbon dioxide in seawater. This technology aims to monitor geochemical processes within the ocean environment to kilometer-range depths, understanding its physical parameters and geochemistry.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Scientists have developed a novel organ-on-a-chip device with customizable screen-printed electrodes for measuring endothelial barrier integrity. The device overcomes traditional electrode fabrication challenges, providing a reliable and accurate method for studying the crucial roles of endothelial barriers in healthy and disease states.
Researchers developed 'acoustic touch' smart glasses that translate visual information into distinct sound icons, enhancing the ability of blind or low-vision individuals to navigate their surroundings. The technology significantly improved object recognition and reaching abilities, empowering independence and quality of life.
Scientists at the University of Nebraska-Lincoln have developed a system that can adjust the size, shape, and refractive index of microscopic lenses in real-time. The design uses hydrogels and polydimethylsiloxane to create a dynamic platform for soft robotics and liquid optics applications.
Osaka University researchers create a wirelessly powered, biodegradable soil moisture sensing technology that can be installed in high densities, enabling precision agriculture with minimized land and water use. The system achieves both electronic functionality and biodegradability, allowing for safe disposal of used sensor devices.
Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.
Researchers at Gwangju Institute of Science and Technology (GIST) have developed a deep learning-based biosensing platform called DeepGT, which can accurately quantify nanoscale bioparticles, including viruses. The platform harnesses the advantages of Gires-Tournois biosensors and AI to refine visual artifacts and extract relevant info...
Researchers developed Mites, a scalable system for supporting general-purpose sensors in buildings, with robust protections for privacy and security. VAX is another system that uses existing video and audio models to train ML models for privacy-sensitive sensors.
A team from Princeton University and Microsoft Research developed a fast and accurate method to determine fruit quality using high-frequency wireless technology. This system promises to help reduce food waste by sorting good fruit from bad bunches and ripening fruits more efficiently, according to the new study.
The company will use the funding to develop a novel method to produce high-accuracy optical encoders, which are crucial for modern automation and robotics systems. The goal is to enable the manufacturing of complex next-generation products with precision positioning and motion control.
A study published by Vienna University of Technology analyzed the effects of extreme physical and mental stress on a rowing athlete's body. The research found that the variability in heart rate, sleep quality, and regeneration during sleep phases were closely related to the athlete's psychological condition.
Engineers at UC San Diego developed wireless, battery-free force stickers that measure the force exerted by one object on another. The stickers can be used in various applications, including biomedical devices, industrial equipment monitoring, and inventory management.
A team of scientists developed a microwave microstrip line planar resonator sensor to detect added water in honey. The sensor's resonance frequency shifts with increased water content, allowing for adulteration detection.
Researchers have developed a wearable sensor patch capable of continuously monitoring vancomycin levels, a critical antibiotic used to treat severe bacterial infections. The sensor system detects changes in vancomycin concentration using aptamers and gold wires, providing real-time measurements for effective treatment.
Researchers at the University of California - San Diego developed screen-printed, flexible sensors that can record brain activity and lactate levels in earbuds. The sensors allow for long-term health monitoring and detection of neuro-degenerative conditions.
A team of researchers has created an optical fiber sensor that can detect thermal runaway in lithium-ion batteries, providing early warning and improving safety. The sensor measures internal temperature and pressure during the thermal runaway process, enabling battery safety assessment and warning.
The University of Science and Technology of China has made a significant breakthrough in exploring exotic spin interactions using solid-state spin quantum sensors. Their research findings provide valuable insights into these interactions, allowing for precise measurements of various spin phenomena.
Scientists from Shibaura Institute of Technology developed a more precise approach to face direction detection, achieving remarkable performance through deep learning-based classification. The new method uses point cloud data and gyro sensors, reducing the need for large datasets and improving accuracy.
A novel biodegradable optical fiber made from agar has been developed to measure or modulate electrical currents in the body. The fiber can be used to monitor bioelectrical stimuli produced in the brain or muscles, serving as a biodegradable alternative to conventional electrodes.
Researchers at Carnegie Mellon University have developed a wearable device that can objectively measure the intensity of scratching, which could help evaluate the efficacy of medications meant to reduce itching. The device uses a contact microphone and accelerometer to detect high-frequency vibrations and correlates them with scratch i...
Researchers measured the Young's modulus of molybdenum disulfide nanoribbons as a function of width, revealing an inverse relation below 3nm. This increases edge strength due to electron transfer and Coulombic attraction.
Rutgers researchers have developed a method to detect the early onset of deadly infectious diseases using a test that can flag 'quiet infected' patients who don't exhibit symptoms. The ultra-sensitive biosensor combines nanoballs and advanced electronics to detect viral nucleic acid material, enabling early infection detection.
A team of scientists has developed a chip-integrated metasurface-based Full-Stokes polarimetric imaging sensor inspired by the mantis shrimp eye, achieving high accuracy and large field of view. The sensor operates at visible wavelengths with ultra-compact footprint and CMOS compatibility.
Researchers developed a groundbreaking soft valve technology that integrates sensors and control valves into soft robots, eliminating the need for electric components. This innovation enables safe operation underwater or in environments with sparks risks, reducing weight burdens and costs.
Accelerometer sensors can detect sickness behavior in wild boar, allowing for early detection of African Swine Fever. The study found that infected boars were 10-20% less active daily than healthy ones, making this technology a potential tool for disease control and prevention.