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New technology could quash QR code phishing attacks

Researchers have developed a new form of QR code that can protect users from phishing attacks by signaling whether a link is safe or not. The SDMQR codes provide an added layer of security without interfering with existing functionality, allowing companies to replace traditional barcodes with more sophisticated QR codes.

SourceUniversity of Rochester·JournalIEEE Security & Privacy·DateFeb 11, 2025

Wireless communication technology for training communication networks

Researchers from China developed a wireless train communication network that demonstrates excellent performance in high-speed railway environments. The system, which integrates LoRa and GNSS technologies, offers lower cabling complexity and maintenance costs while providing greater flexibility for upgrades and fault recovery.

SourceKeAi Communications Co., Ltd.·JournalHigh-speed Railway·TypeData/statistical analysis·DateJan 27, 2025

New quantum sensing technology reveals sub-atomic signals

Researchers have developed a new quantum sensing technology that can detect individual nuclei, revealing tiny differences in molecular structure and dynamics. This unprecedented sensitivity enables scientists to study the building blocks of nature at an entirely new scale, leading to breakthroughs in fields like drug development.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalNano Letters·TypeExperimental study·DateJan 6, 2025

Building better infrared sensors

Researchers at Aalto University developed a new type of infrared photodiode that is 35% more responsive at 1.55 µm than existing germanium-based components. The new device can be manufactured using current production techniques, making it highly practical for adoption in various technologies.

SourceAalto University·JournalLight Science & Applications·DateJan 2, 2025

Earning money while making the power grid more stable – energy consumers have a key role in supporting grid flexibility

A new method for efficiently utilizing energy users' flexibility in distribution and transmission networks has been introduced. Consumers can provide flexibility services, benefiting both the system operators and themselves financially. The dissertation highlights the need for improvements and investments to deploy these methods globally.

Shape-shifting antenna poised to transform communications

Researchers at Johns Hopkins University Applied Physics Laboratory have created a shape-shifting antenna that can change its shape based on temperature, transforming communications capabilities. The technology has transformative potential in military, scientific and commercial applications, enabling dynamic RF band adaptability.

SourceJohns Hopkins University Applied Physics Laboratory·JournalACS Applied Engineering Materials·TypeExperimental study·DateNov 26, 2024

Synthesis and detailed electrochemical analysis of sulfide-based solid electrolyte with practical level ionic conductivity via liquid phase method

A new sulfide-based solid electrolyte, Li10GeP2S12, is synthesized using a solution-based method with high room-temperature ionic conductivity. The study reveals unique electrochemical properties and mechanisms associated with the liquid-phase approach.

SourceToyohashi University of Technology (TUT)·JournalACS Applied Energy Materials·TypeExperimental study·DateNov 21, 2024

Physicists develop new method to visualize magnetic nanostructures with high resolution

Researchers at Martin Luther University Halle-Wittenberg have developed a new method to visualize magnetic nanostructures with a resolution of around 70 nanometres. This breakthrough enables the analysis of spintronic components and has significant implications for energy-efficient storage technologies.

SourceMartin-Luther-Universität Halle-Wittenberg·JournalACS Nano·TypeExperimental study·DateNov 20, 2024

A development by Graz University of Technology makes concreting more reliable, safer and more economical

Researchers at Graz University of Technology have developed a digital monitoring system to prevent costly mistakes in concreting processes. The system uses sensors and algorithms to measure and analyze various parameters, providing real-time warnings for potential issues, and eliminating the need for rework.

SourceGraz University of Technology·TypeComputational simulation/modeling·DateNov 14, 2024

Leveraging machine learning to find promising compositions for sodium-ion batteries

A team of scientists leveraged machine learning to find promising compositions for sodium-ion batteries, achieving exceptional energy density. The study trained a model on a database of 100 samples to predict the optimal ratio of elements needed to balance properties like operating voltage and capacity retention.

SourceTokyo University of Science·JournalJournal of Materials Chemistry A·TypeExperimental study·DateNov 5, 2024

Spin current observations from organic semiconductor side

A team at Osaka Metropolitan University has designed a multilayer device to investigate spin currents, using an organic semiconductor material with a long spin relaxation time. This allows direct observation of phenomena due to spin current generation and enables researchers to gain deeper insights into the properties of spin currents.

SourceOsaka Metropolitan University·JournalAdvanced Electronic Materials·TypeExperimental study·DateOct 30, 2024

UVA professor tackles graph mining challenges with new algorithm

A UVA professor has developed a new computational algorithm to find tightly connected clusters, or triangle-dense subgraphs, within large networks. This breakthrough can help uncover suspicious activity in fraud detection and identify community dynamics on social media with greater precision.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalIEEE Transactions on Knowledge and Data Engineering·TypeComputational simulation/modeling·DateOct 18, 2024

UVA researchers engineer AI breakthrough in human action detection technology

Researchers at UVA's School of Engineering and Applied Science have developed an AI-driven intelligent video analyzer capable of detecting human actions with unprecedented precision and intelligence. The system, called SMAST, promises to transform industries such as surveillance, healthcare, and autonomous driving.

SourceUniversity of Virginia School of Engineering and Applied Science·JournalIEEE Transactions on Pattern Analysis and Machine Intelligence·TypeComputational simulation/modeling·DateOct 16, 2024

UCSB researchers create the first ever visualization of photoexcited charges traveling across the interface of two semiconductor materials

UCSB researchers used scanning ultrafast electron techniques to visualize fleeting electric charges in semiconductor materials. The study provides direct visual evidence of charge transfer across the interface, shedding light on the behavior of hot photocarriers and their impact on device performance.

SourceUniversity of California - Santa Barbara·JournalProceedings of the National Academy of Sciences·DateOct 10, 2024

For first time, DNA tech offers both data storage and computing functions

Researchers have demonstrated DNA-based technologies that can store, retrieve, compute, erase, and rewrite data. The technology uses soft polymer materials with unique morphologies to create a structure with high surface area for depositing DNA, enabling the full range of operations found in traditional electronic devices.

SourceNorth Carolina State University·JournalNature Nanotechnology·TypeExperimental study·DateAug 22, 2024

Magnetostrictive strain-sensitivity synergy in polycrystalline Fe₈₁Ga₁₉ alloys prepared by laser-beam powder bed fusion and magnetic field annealing

The study proposes a combined process route of laser-beam powder bed fusion and magnetic field annealing to enhance magnetostrictive strain and sensitivity. This results in improved effective magnetic anisotropy constant, reduced domain motion resistance, and increased magnetostrictive strain-sensitivity synergy.

SourceKeAi Communications Co., Ltd.·JournalAdvanced Powder Materials·TypeExperimental study·DateAug 14, 2024

New progress in wearable blood pressure monitoring enabled by flexible electronics and machine learning

Researchers have reviewed advancements in wearable cuffless blood pressure monitoring, focusing on flexible electronics and machine learning. The integration of sensors, signal processing, and algorithms enables accurate blood pressure estimation, promising personalized medicine applications.

SourceKeAi Communications Co., Ltd.·JournalWearable Electronics·TypeLiterature review·DateAug 4, 2024

“Smarter” semiconductor technology for training “smarter” artificial intelligence

Researchers at Pohang University of Science & Technology have developed a novel analog hardware using ECRAM devices that maximizes AI computational performance. Their technique, which uses a three-terminal structure with separate paths for reading and writing data, demonstrates excellent electrical and switching characteristics.

Enhancing power system stability: Tianjin University unveils a groundbreaking method for rapid generation of dynamic security region boundaries

A new method for generating dynamic security region boundaries has been developed using space division and Wasserstein generative adversarial network with gradient penalty. This method significantly improves the efficiency and accuracy of transient stability analysis in power systems with high wind power penetration.

SourceEngineering·JournalEngineering·DateJul 30, 2024

Chung-Ang University study reveals a way to enhance the efficiency of perovskite solar cells

Researchers at Chung-Ang University have discovered an additive that enhances the efficiency of perovskite solar cells, resulting in a record-breaking 12.22% efficiency. The additive, 4-phenylthiosemicarbazide, improves stability and reduces defects, paving the way for more accessible and long-lasting solar panels.

SourceChung Ang University·JournalAdvanced Energy Materials·TypeExperimental study·DateJul 30, 2024

Microgrids: Resilient city for everyone

A study by KIT researchers provides urban planners with a template for designing microgrids that integrate socio-economic factors and societal participation. The model aims to create equitable access to energy and services for all population groups, particularly vulnerable ones, in the face of power outages and crises.

SourceKarlsruher Institut für Technologie (KIT)·JournalNature Sustainability·TypeData/statistical analysis·DateJul 26, 2024

NUS researchers develop new battery-free technology to power electronic devices using ambient radiofrequency signals

A team of NUS researchers developed a compact and sensitive rectifier technology that uses nanoscale spin-rectifiers to convert ambient wireless radio frequency signals into DC voltage. The technology overcomes challenges in existing energy harvesting modules, enabling battery-free operation for small electronic devices.

SourceNational University of Singapore·JournalNature Electronics·TypeExperimental study·DateJul 24, 2024

Chung-Ang University researchers study real-time electricity pricing model to enhance power grid balance

A new study proposes a predictive home energy management system with a customizable bidirectional real-time pricing mechanism to promote residential demand response and reduce peak loads. The system enhances user comfort and accuracy of forecasting, while also providing cost savings.

SourceChung Ang University·JournalIEEE Internet of Things Journal·TypeComputational simulation/modeling·DateJul 24, 2024

Researchers find better way to detect when older adults fall at home

A new system developed by researchers at Binghamton University uses local computing power to analyze sensor data from everyday devices like smartphones and laptops, detecting abnormal movements with high accuracy. The Rapid Response Elderly Safety Monitoring (RESAM) system aims to cut reaction times and improve safety for older adults,...

SourceBinghamton University·JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering·TypeComputational simulation/modeling·DateJul 10, 2024

Groundbreaking approach to sleep study expands potential of sleep medicine

Researchers at the University of Houston have introduced a new method for sleep stage classification that can be performed at home and uses only two leads. This approach achieves expert-level agreement with the gold-standard polysomnography without expensive equipment, paving the way for more accessible and cost-effective sleep studies.

SourceUniversity of Houston·JournalComputers in Biology and Medicine·DateJul 2, 2024

A novel package for high power density SIC power modules

This study introduces a novel package for high-power density SiC power modules using stacked DBC packaging, enabling the parallel connection of more chips. The design reduces parasitic inductance and increases current carrying capacity, resulting in improved electrical performance and manufacturing efficiency.

SourceCES Transactions on Electrical Machines and Systems·JournalCES Transactions on Electrical Machines and Systems·TypeExperimental study·DateJun 23, 2024