Tech Xplore - electronic gadgets, technology advances and research news https://techxplore.com/ en-us Tech Xplore internet news portal provides the latest news on electronics, technology, and engineering. Hummingbird-inspired wings detect wind direction with 99% accuracy Bio-inspired wind sensing using strain sensors on flexible wings could revolutionize robotic flight control strategy. Researchers at the Institute of Science Tokyo have developed a method to detect wind direction with 99% accuracy using seven strain gauges on the flapping wing and a convolutional neural network model. https://techxplore.com/news/2024-12-hummingbird-biomimetic-flexible-wing.html Engineering Fri, 27 Dec 2024 05:34:15 EST news654500032 New strategy significantly extends lithium-ion battery life by suppressing oxygen release A research team has developed a strategy to enhance the durability of lithium-rich layered oxide (LLO) material, a next-generation cathode material for lithium-ion batteries (LIBs). This breakthrough, which significantly extends battery lifespan, was published in the journal Energy & Environmental Science. https://techxplore.com/news/2024-12-strategy-significantly-lithium-ion-battery.html Engineering Tue, 24 Dec 2024 10:43:02 EST news654259381 Color shifts at nanoscale: Researchers develop real-time visualization system to observe stretchable technology A research team at POSTECH has developed a breakthrough technology that analyzes in real-time the deformation of "serpentine" structures, a critical component of stretchable technology, and visualizes the process through color changes. https://techxplore.com/news/2024-12-shifts-nanoscale-real-visualization-stretchable.html Engineering Tue, 24 Dec 2024 10:37:03 EST news654259021 An AI system has reached human level on a test for 'general intelligence'—here's what that means A new artificial intelligence (AI) model has just achieved human-level results on a test designed to measure "general intelligence." https://techxplore.com/news/2024-12-ai-human-general-intelligence.html Computer Sciences Tue, 24 Dec 2024 10:07:43 EST news654257252 Crossing the Uncanny Valley: Researchers develop technology for lifelike facial expressions in androids Even if an android's appearance is so realistic that it could be mistaken for a human in a photograph, watching it move in person can feel a bit unsettling. It can smile, frown, or display other various, familiar expressions, but finding a consistent emotional state behind those expressions can be difficult, leaving you unsure of what it is truly feeling and creating a sense of unease. https://techxplore.com/news/2024-12-uncanny-valley-technology-lifelike-facial.html Robotics Mon, 23 Dec 2024 11:56:02 EST news654177353 Self-supervised machine learning adapts to new tasks without retraining The field of machine learning is traditionally divided into two main categories: "supervised" and "unsupervised" learning. In supervised learning, algorithms are trained on labeled data, where each input is paired with its corresponding output, providing the algorithm with clear guidance. In contrast, unsupervised learning relies solely on input data, requiring the algorithm to uncover patterns or structures without any labeled outputs. https://techxplore.com/news/2024-12-machine-tasks-retraining.html Machine learning & AI Mon, 23 Dec 2024 10:13:04 EST news654171181 Nondestructive microwave radar finds moisture hiding inside a building's walls For homeowners, moisture buildup can cause the biggest headaches. Mold grows on drywall and wood-based materials, creeping along walls, floors and ceilings. Building materials begin to erode and rot. As insulation becomes damaged, the home's energy-efficiency decreases. Even human health suffers, as moisture also leads to air-quality issues. https://techxplore.com/news/2024-12-nondestructive-microwave-radar-moisture-walls.html Engineering Mon, 23 Dec 2024 08:57:05 EST news654166621 Robot mimics traditional Chinese massage techniques for therapeutic use In recent years, roboticists have developed a wide range of systems that could eventually be introduced in health care and assisted living facilities. These include both medical robots and robots designed to provide companionship or assistance to human users. https://techxplore.com/news/2024-12-robot-mimics-traditional-chinese-massage.html Robotics Sat, 21 Dec 2024 09:40:01 EST news653830779 Open-source platform provides a virtual playground for human-AI teaming Artificial intelligence (AI) has already become an invisible but indispensable collaborator in our lives. It helps filter spam from your inbox, improves your Netflix recommendations, and, as an automotive copilot, suggests optimal routes, monitors blind spots, and assists with parking. https://techxplore.com/news/2024-12-source-platform-virtual-playground-human.html Machine learning & AI Fri, 20 Dec 2024 14:30:01 EST news653927022 New material for sodium-ion batteries brings affordable, sustainable future within grasp While lithium-ion batteries have been the go-to technology for everything from smartphones and laptops to electric cars, there are growing concerns about the future because lithium is relatively scarce, expensive and difficult to source, and may soon be at risk due to geopolitical considerations. Scientists around the world are working to create viable alternatives. https://techxplore.com/news/2024-12-material-sodium-ion-batteries-sustainable.html Energy & Green Tech Fri, 20 Dec 2024 12:34:04 EST news653920442 AI-driven gait analysis bridges health care and security fields The analysis of a person's individual walking pattern, or gait, can reveal details about their identity and reflect differences between individuals, groups and even populations. https://techxplore.com/news/2024-12-ai-driven-gait-analysis-bridges.html Security Fri, 20 Dec 2024 12:10:09 EST news653919002 Thermal evaporation emerges as a promising strategy for scalable solid-state battery production Solid-state lithium batteries are promising energy storage solutions that utilize solid electrolytes as opposed to the liquid or gel electrolytes found in traditional lithium-ion batteries (LiBs). Compared to LiBs and other batteries that are used worldwide, these batteries could attain significantly higher energy densities of more than 500 Wh/kg−1 and 1,000 Wh/l−1, which could be advantageous for powering electric vehicles and other electronics for longer periods of time. https://techxplore.com/news/2024-12-thermal-evaporation-emerges-strategy-scalable.html Engineering Fri, 20 Dec 2024 07:20:01 EST news653825479 Charge your phone in your pocket with new wireless technology A groundbreaking advancement in technology is paving the way for mobile phones and other electronic devices to recharge simply by being kept in a pocket. This innovative system enables wireless charging throughout three-dimensional (3D) spaces, encompassing walls, floors, and air. https://techxplore.com/news/2024-12-pocket-wireless-technology.html Telecom Thu, 19 Dec 2024 16:31:03 EST news653848258 Machine learning helps researchers develop perovskite solar cells with near-record efficiency An international team of scientists has used machine learning to help them develop perovskite solar cells with near-record efficiency. In their paper published in the journal Science, the group describes how they used the machine-learning algorithm to help them find new hole-transporting materials to improve the efficiency of perovskite solar cells. https://techxplore.com/news/2024-12-machine-perovskite-solar-cells-efficiency.html Energy & Green Tech Thu, 19 Dec 2024 14:10:06 EST news653837514 Can we convince AI to answer harmful requests? New research from EPFL demonstrates that even the most recent large language models (LLMs), despite undergoing safety training, remain vulnerable to simple input manipulations that can cause them to behave in unintended or harmful ways. https://techxplore.com/news/2024-12-convince-ai.html Security Thu, 19 Dec 2024 13:43:00 EST news653838174 AI system can envision an entire world from a single picture Johns Hopkins computer scientists have created an artificial intelligence system capable of "imagining" its surroundings without having to physically explore them, bringing AI closer to humanlike reasoning. https://techxplore.com/news/2024-12-ai-envision-entire-world-picture.html Hi Tech & Innovation Thu, 19 Dec 2024 12:45:04 EST news653834701 Discovery of trimodal energy storage material boosts renewable energy potential Monash University researchers have made a breakthrough in energy storage technology that could significantly advance the global shift away from fossil fuels. The discovery, detailed in a study published Dec. 18 in Nature, involves a new thermal energy storage (TES) material that could help harness renewable energy more effectively and efficiently. https://techxplore.com/news/2024-12-discovery-trimodal-energy-storage-material.html Energy & Green Tech Thu, 19 Dec 2024 12:02:03 EST news653832121 AI agents mimic scientific collaboration to generate evidence-driven hypotheses Crafting a unique and promising research hypothesis is a fundamental skill for any scientist. It can also be time consuming: New Ph.D. candidates might spend the first year of their program trying to decide exactly what to explore in their experiments. What if artificial intelligence could help? https://techxplore.com/news/2024-12-ai-agents-mimic-scientific-collaboration.html Machine learning & AI Thu, 19 Dec 2024 11:51:27 EST news653831480 Laser-based artificial neuron mimics nerve cell functions at lightning speed Researchers have developed a laser-based artificial neuron that fully emulates the functions, dynamics and information processing of a biological graded neuron. With a signal processing speed of 10 GBaud—a billion times faster than its biological counterparts—the new laser graded neuron could lead to breakthroughs in fields like artificial intelligence and other types of advanced computing. https://techxplore.com/news/2024-12-laser-based-artificial-neuron-mimics.html Hi Tech & Innovation Thu, 19 Dec 2024 10:00:02 EST news653741461 Microrobots and the 'lazy agent problem': Swarm study demonstrates a solution Imagine trying to move a heavy piece of furniture with a group of people. Everyone's effort matters, but how do you ensure that each person is pulling their weight? This challenge of fairly distributing the load is a critical issue not only in human teamwork but also for coordinating robotic swarms. https://techxplore.com/news/2024-12-microrobots-lazy-agent-problem-swarm.html Robotics Thu, 19 Dec 2024 08:42:03 EST news653820122 New method enables mass production of flexible diamond membranes A research team has developed a method for massively producing ultrathin and ultra-flexible diamond membranes. https://techxplore.com/news/2024-12-method-enables-mass-production-flexible.html Engineering Thu, 19 Dec 2024 08:16:04 EST news653818561 AI-powered algorithm enables personalized age transformation for human faces Researchers at University of North Carolina at Chapel Hill and University of Maryland recently developed MyTimeMachine (MyTM), a new AI-powered method for personalized age transformation that can make human faces in images or videos appear younger or older, accounting for subjective factors influencing aging. https://techxplore.com/news/2024-12-ai-powered-algorithm-enables-personalized.html Computer Sciences Thu, 19 Dec 2024 06:40:01 EST news653745894 Harnessing corrosion: Scientists transform dealloying into sustainable lightweight alloy design Max Planck Institute for Sustainable Materials (MPI-SusMat) researchers have transformed dealloying—traditionally seen as a corrosive, destructive process—into a groundbreaking method for creating lightweight, high-strength alloys. By combining dealloying with alloying in a single step, the team developed nano-porous martensitic alloys using reactive gases like ammonia, which simultaneously remove oxygen and introduce nitrogen into the material's structure. https://techxplore.com/news/2024-12-harnessing-corrosion-scientists-dealloying-sustainable.html Engineering Wed, 18 Dec 2024 17:14:04 EST news653764442 Giving animal strength to medical robotics: 3D printing method uses shape-shifting liquid metal University of Queensland researchers have developed a 3D printing method to produce shape-shifting liquid metal robotics with musculoskeletal qualities inspired by animal physiology. https://techxplore.com/news/2024-12-animal-strength-medical-robotics-3d.html Robotics Wed, 18 Dec 2024 15:42:03 EST news653758922 Hydrogen from waste: Bio-electrochemical cell design cuts power loss for large-scale implementation A research team has achieved a significant breakthrough in clean energy technology. The team has successfully enhanced a crucial component of a bio-electrochemical cell, enabling more efficient hydrogen production from microorganisms found in waste. This advancement resolves longstanding power loss challenges in conventional processes, offering a transformative pathway toward large-scale, cost-effective hydrogen production. https://techxplore.com/news/2024-12-hydrogen-bio-electrochemical-cell-power.html Energy & Green Tech Wed, 18 Dec 2024 15:02:04 EST news653756521 New knit haptic sleeve simulates realistic touch Wearable haptic devices, which provide touch-based feedback, can provide more realistic experiences in virtual reality, assist with rehabilitation, and create new opportunities for silent communication. Currently, most of these devices rely on vibration, as pressure-based haptics have typically required users to wear stiff exoskeletons or other bulky structures. https://techxplore.com/news/2024-12-haptic-sleeve-simulates-realistic.html Robotics Wed, 18 Dec 2024 14:00:01 EST news653742121 Human-like artificial intelligence may face greater blame for moral violations In a new study, participants tended to assign greater blame to artificial intelligences (AIs) involved in real-world moral transgressions when they perceived the AIs as having more human-like minds. Minjoo Joo of Sookmyung Women's University in Seoul, Korea, presents these findings in the open-access journal PLOS ONE on December 18, 2024. https://techxplore.com/news/2024-12-human-artificial-intelligence-greater-blame.html Machine learning & AI Wed, 18 Dec 2024 14:00:01 EST news653733961 Novel solar cell process advances green hydrogen production Another advance has been made by experts in nano-scale chemistry to propel further development of sustainable and efficient generation of hydrogen from water using solar power. https://techxplore.com/news/2024-12-solar-cell-advances-green-hydrogen.html Energy & Green Tech Wed, 18 Dec 2024 12:33:04 EST news653747581 Watch 'ant-like' robot swarms conquer obstacles and transport heavy loads Scientists in South Korea have developed swarms of tiny magnetic robots that work together like ants to achieve Herculean feats, including traversing and picking up objects many times their size. https://techxplore.com/news/2024-12-ant-robot-swarms-conquer-obstacles.html Engineering Wed, 18 Dec 2024 11:00:01 EST news653738833 Engineers grow 'high-rise' 3D chips, enabling more efficient AI hardware The electronics industry is approaching a limit to the number of transistors that can be packed onto the surface of a computer chip. So, chip manufacturers are looking to build up rather than out. https://techxplore.com/news/2024-12-high-3d-chips-enabling-efficient.html Hardware Wed, 18 Dec 2024 11:00:01 EST news653734610