Articles tagged with Sensors
MIT researchers have overcome a major challenge holding back the real-world deployment of microwave quantum technologies. They developed a scalable platform that generates pairs of highly correlated radio frequency waves at room temperature, enabling secure communications and high-precision radar and sensing.
Research estimates a sevenfold increase in tire-derived 6PPD emissions in China from 2000 to 2020, with soil and rural road networks playing major roles. The study projects that emissions could reach 0.15 million metric tons per year by 2060.
Researchers have developed a new 3D-printable cellulose hydrogel that defies freezing temperatures, maintaining ionic conductivity and mechanical strength. The hydrogel exhibits shear-thinning behavior, allowing it to flow through a 3D printer nozzle and hold its shape.
Rice researchers have discovered that tiny wrinkles in graphene can change its electrical properties, providing evidence for flexoelectricity. The findings suggest scientists may be able to control electricity by changing the shape of atomically thin materials.
Researchers reveal a new attack surface exposed to malicious and compromised SIMs, allowing attackers to gather information about devices, interfere with connectivity, and serve as entry points for further cyberattacks. The study highlights four attacker scenarios leading to malicious or compromised SIMs and eSIMs.
Researchers at NUS CDE developed a self-repairing, recyclable substrate that repairs itself, grips metal conductors firmly and can be remoulded or broken down after use. The new material, called an intrinsically dynamic biosubstrate (IDBS), reduces electronic waste and enables recovery of valuable components.
The Center for Large Aperture Secure Sensing, Imaging and Communications aims to develop advanced antenna technologies for future wireless systems. Led by Edward Knightly, the research team will investigate how extremely large-scale antenna arrays can expand wireless system capabilities in challenging environments.
A team at Pusan National University created a stretchable organic electrochemical transistor that can be easily reprogrammed to perform different functions. The device combines logic, memory, and a visible color readout without complex circuitry.
A KAIST research team developed two core technologies to correct AI hallucinations caused by sensory misinterpretation. The first technology uses the Diverse Negative Attributes method to accurately understand special camera sensors, while the second technology Modality-Adaptive Decoding blocks cross-modal hallucinations at the source.
A team of researchers from Chiba University developed a method to monitor laser ablation in real time by detecting tiny push-back forces during laser cutting. By tracking the recoil force, they can sense depth and detect completion in real time, allowing for precise control over the process.
UC San Diego engineers created a smart ring that continuously monitors up to four different chemical biomarkers from finger sweat. The ring provides real-time health insights into individuals with diabetes management and nutrition tracking, closely matching commercial glucose and ketone readings.
Researchers at Kyoto University developed a hybrid graphite-based substance with aligned particles that demonstrates stable diamagnetic levitation. The team successfully created the substance by aligning micro-crystals in a uniform direction and applying a magnetic field, resulting in a miniature flying carpet-like effect.
Researchers presented a comprehensive system-level review of polymer-based flexible wireless sensors for seamless skin-like mechanical compliance with real-time health monitoring. The review breaks siloed tradition by addressing sensing mechanisms, wireless systems, manufacturing strategies, materials, and clinical applications.
Researchers have developed ultrathin, invisible on-skin electrodes that can measure biological signals without altering appearance or social interactions. These new sensors achieve this by closely matching the appearance and texture of natural skin, reducing reflections and eliminating visibility.
Researchers at MIT have developed a microscopic pixel-based tunable lens that controls incoming infrared light for more precise thermal imaging, chemical sensing, or pollution monitoring. The system enables compact, dynamic infrared cameras with potential applications in environmental protection, space research, and military technology.
Researchers developed a rapid biosensor for detecting polystyrene nanoparticles, enabling direct detection without labeling or extensive sample preparation. The device can detect particles as small as 50 nm in fresh water and has a low detection limit of 1.3 μg/mL.
Researchers from Tokyo Metropolitan University introduced ultra-fine bubbles into ink droplets, demonstrating their ability to modify ink drying patterns. The team's discovery holds promise for the printing of microdevices, where additives can negatively affect properties of ink deposits.
Bacteriophages, viruses that naturally infect bacteria, can be engineered into rapid and highly specific biosensors for clinical diagnosis, food safety, and environmental monitoring. These phage-based systems offer a compelling alternative to conventional methods, which often involve tradeoffs between speed, sensitivity, and cost.
Researchers developed a silk-based sticker that tracks temperature, pH, sodium, and glucose levels in newborns without needles or wires. The wearable patch uses AI to analyze color changes, providing accurate readings above 91% for critical vital signs.
Researchers at Tufts University developed tiny tattoo-like sensors that track temperature, humidity, and stem growth in plants. These sensors provide an early warning system for farmers, allowing them to respond before visible signs of plant stress appear.
The SNU Engineering team has developed an eco-friendly artificial spiderweb pressure sensor that achieves high sensitivity, fast response time, and excellent mechanical stability. The sensor is capable of real-time detection of human pulse, respiration, vocalization, and finger movements, making it suitable for Parkinson’s disease reha...
Researchers developed an aerated hydrogel that allows air to pass through while maintaining its water content. This breakthrough enables longer-lasting products, such as breathable bandages, implants, and wearable sensors, with improved skin comfort and reduced sweat buildup.
Researchers have developed a tiny, electrically tunable infrared filter that can distinguish between different materials and gases based on their spectral 'fingerprints'. This technology has the potential to enable handheld pollution detectors, compact multispectral cameras, and next-generation chemical sensing devices.
Researchers create custom-fit prosthetic hands with soft magnetic sensors that capture subtle changes in muscle shape and pressure. The system performs consistently and reliably, translating intent into control of a dexterous robotic hand with up to 90% accuracy.
Researchers have developed smart molecules that can change their physical properties in response to various external stimuli. These materials can form the building blocks for next-generation data storage units, quantum processors, and advanced industrial sensors.
Researchers at Penn State and NIST developed a new way to build tinier, smarter glass sensors filled with highly precise and stable atoms. These sensors can measure high-frequency electromagnetic signals, including millimeter-wave radiation, and offer improved navigation accuracy and reliability.
Researchers introduce a 'failure-mechanism-oriented robustness optimization' framework to address coupled multimode failures and optimize superhydrophobic sensor performance. The framework establishes key quantitative benchmarks for next-generation amphibious flexible sensing, enabling exceptional metrics of up to 10,000 gauge factors ...
The new hydrogel features ultra-high stretchability, excellent crack resistance, and strong self-adhesion, making it a promising candidate for wearable sensing devices. It delivers steady electrical signals when detecting movements of fingers, wrists, elbows, and knees.
Researchers developed a digital twin framework to predict permafrost degradation in Alaska's thawing permafrost. The framework uses real-time measurements and AI to simulate the physical properties of frozen soil, enabling more accurate predictions of climate change impact.
A new underwater mapping technique, Sonar-MASt3R, combines sonar and visual data to generate detailed 3D maps of environments in real-time. The system enables vehicles to navigate through cloudy water by quickly mapping the general shape of their surroundings using sonar.
Old Dominion University has launched a National Security Institute to accelerate research and technology solutions for pressing national security challenges. The institute will bring together researchers' strengths in AI, autonomy, and coastal systems to deliver innovative solutions.
MIT researchers have developed low-cost, 3D-printed triaxial electrospray emitters that efficiently produce three-layered particles at scale. The devices can be used to manufacture time-release drug-delivery nanoparticles with potential applications in biosensors and tissue regeneration.
New degradable sensors developed by Lancaster University researchers track biological activity in soil using a biodegradable substrate nibbled on by microbes. This technology offers insights into soil's response to climate events and storage of carbon, providing a better understanding of soil health and microbial processes.
A new vertical design separates expensive electronic components from disposable plastic patches, allowing sweat to travel upward and make electrical contact with sensors. This separation prevents waste and makes continuous monitoring economically possible.
Researchers developed a quantum sensing approach using superconducting qubits, combining non-equilibrium dynamics and quantum criticality to measure gradient field strengths with quantum-limit precision. The method avoids complex measurement setups, enabling highly precise estimates of gradient field strengths with limited samples.
Researchers at Istituto Italiano di Tecnologia developed an octopus-inspired soft robotic arm with integrated tactile sensors, enabling autonomous grasp and manipulation in aquatic environments. The system combines distributed tactile sensing and decentralized control to detect contact and adapt grip autonomously.
Researchers have developed a wearable sensor that reads chemical signatures of human breath to decode silent speech into text. The device uses a microscopic nanoforest to capture rapid water vapor changes, achieving 98.51% accuracy rate.
Researchers at MIT have created a pacemaker that uses ultrasound technology to stimulate the heart, offering a potential surgery-free alternative to traditional cardiac implants. The device is designed as a small sticker that sends ultrasound pulses through the chest to regulate heart contractions and correct arrhythmias.
Researchers from Kyushu University and DENSO IT Laboratory propose a new method to improve the accuracy of indirect Time-of-Flight (I-ToF) cameras by considering real-world sensor characteristics. The technology produces two tailored coding schemes that outperform conventional methods in terms of depth precision and stability, making i...
Researchers at Helmholtz-Zentrum Dresden-Rossendorf have developed biobased spintronics using iron, cellulose, and starch to create sustainable magnetic field sensors. These sensors achieve levels of sensitivity comparable to commercial solutions and can be safely degraded or recycled.
The MIT researchers developed a new sensor that can detect biomarkers produced by bladder cancer cells in the bladder, allowing for earlier detection. This approach is nearly 50,000 times more sensitive than traditional urinalysis and can image tumor location in tissue.
Researchers at Binghamton University developed a system that enables users to monitor real plants in real-time using virtual reality. This technology makes farming more accessible for older adults and people with disabilities, allowing them to observe plants without physically being present.
Researchers at Texas A&M University developed electrochromic hyperspectral embedding (ECHSE) to integrate intelligence into optical sensors. This technology enables faster data analysis and reduces energy consumption for applications such as surgical robots and space exploration.
A research team at Postech has developed a next-generation laser emission platform capable of precise color control under battery-level low voltage. The technology achieves ultra-high color purity and continuous spectral tunability within a single device, overcoming limitations of conventional display light sources.
Researchers at Yokohama National University have developed a new fiber-optic sensing method that uses electrical-domain interference to detect strain and displacement. The approach exploits relative modal delays in polymer optical fibers, resulting in measurable dips in the electrical-frequency domain.
A team of researchers from MIT has directly characterized the three-dimensional atomic structure of a relaxor ferroelectric for the first time. This breakthrough provides a framework for refining models used to design next-generation computing, energy, and sensing devices.
Researchers developed biocompatible molecular quantum nanosensors that operate inside living cells, enabling absolute temperature measurements with subcellular spatial resolution. The sensors also detect radical-related spin signals in the cytoplasm and nucleus of cancer cells.,
Researchers at MIT developed a technique to overcome memory constraints and communication bottlenecks in federated learning, enabling faster and more accurate AI model training. The new framework, FTTE, uses a subset of model parameters and an asynchronous approach to reduce lag time and improve training performance.
A study in Brazil found that analyzing intracranial compliance using developed technology reduced mortality and neurological damage. The device uses a non-invasive sensor to monitor cerebral dynamics and intracranial pressure, allowing for early intervention before brain damage occurs.
A new measurement technique using nanomembranes and infrared light detects tiny amounts of substances in minutes, reducing sampling time by 100-fold. The technology analyzes particles accumulating on a tiny membrane, heating it up when certain wavelengths are absorbed.
Researchers developed an AI-powered methodology to identify and count target viruses more efficiently than previous techniques. The new approach uses electrochemical impedance spectroscopy and machine learning to separate signals from noise, enabling quick and accurate readings across a wide range of titers.
Researchers developed an electrochemical sensor to detect pancreatic cancer at low concentrations, improving accessibility and effectiveness of treatment. The device identifies CA19-9 protein, a key biomarker for the disease, allowing for early diagnosis and potentially increasing survival rates.
A USC-led team is working on a medical device that uses tears to monitor health, starting with dry eye disease. The device aims to provide continuous monitoring and automated medication delivery, improving patient comfort and treatment efficacy.
Researchers at Saarland University are developing smart implants that can continuously monitor and visualize the healing process of fractures. These customized implants can dynamically adapt to the healing process by becoming stiffer or more compliant as required, promoting bone regeneration through micromechanical stimulation.
Researchers have developed a new method to detect single micro/nanoparticles and protein binding events using non-linear resonance in a commercial quartz crystal microbalance. The system achieves femtogram-level sensitivity without requiring surface functionalization or nanomaterial integration.
Researchers created a new polymer electrode that conforms to the skin, is comfortable, and can pick up ECG signals without gel or adhesives. The technology performed comparably to existing sensors in proof-of-concept testing, showcasing its potential for practical and cost-effective health monitoring applications.
Researchers developed bioinspired auxetic triboelectric nanogenerators that resolve mechanical mismatch challenges in flexible sensors. The devices achieve high energy conversion efficiencies and conform to biological tissues with minimal energy loss.
Researchers develop signal-processing method to suppress distortions, achieving 6mm spatial resolution in single-ended Brillouin sensing. This enables early detection of damage or abnormal conditions in aging infrastructure.
A research team at DGIST has developed a wearable sweat sensor using semiconductor fibers that can collect and analyze sweat automatically. The sensor detects various biosignals, including electrolytes and metabolites, without the need for external power sources.
Researchers at Saarland University have developed a new class of miniature actuators using ultrathin silicone film-based pumps. The pumps can operate without motors, compressed air, or lubricants and can be switched on and off as needed.