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Electronics News
Knowridge
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Smart sticky surface could revolutionize micro-LED displays
- Researchers at POSTECH have created a dry adhesive using shape memory polymers that can stick to and release micro-LED chips without glue.
- Micro-LEDs are small powerful lights for advanced screens, but placing them accurately has been challenging.
- The smart adhesive developed can switch between 'stick' and 'release' states by heating, holding objects strongly and releasing them with minimal force.
- The new material could revolutionize manufacturing by enabling cleaner, more precise handling of delicate parts in electronics and displays.
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Knowridge
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How a pizza-sized robot and VR could change lunar missions
- Researchers at the University of Colorado Boulder are using a small robot named Armstrong operated through VR to help train people for future lunar missions.
- The robot, controlled remotely by students wearing VR headsets, assists in simulating lunar operations in a safe environment on Earth.
- A recent study showed that training with VR in a 'digital twin' environment can help individuals control robots more efficiently and with reduced stress.
- The research aims to prepare for future moon missions where human astronauts and robots will collaborate extensively, showcasing the importance of virtual training in challenging environments.
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Knowridge
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New quantum material could make electronics 1,000 times faster
- Scientists at Northeastern University have discovered a quantum material that can switch between two states—conducting electricity and insulating—which could make electronics up to 1,000 times faster than current devices.
- The material, called 1T-TaS₂, can now be stabilized to act like a metal at close to room temperature, a significant advancement from needing extremely cold temperatures before.
- This breakthrough offers a way to control a material's conductivity using light, potentially leading to smaller, more energy-efficient devices that operate at unprecedented speeds.
- The research, detailed in Nature Physics, could open doors to future electronics with enhanced performance, potentially revolutionizing the industry.
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Medium
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Lenovo Business Powerhouses Compared: ThinkBook 14 G6 vs ThinkBook 16 G7 vs ThinkPad T14 Gen 5
- Comparison of Lenovo laptops - ThinkBook 14 G6, ThinkBook 16 G7, and ThinkPad T14 Gen 5 based on display specs, build material, battery life, and unique features.
- ThinkBook 14 G6 is lightweight and compact with touch/non-touch options, ThinkBook 16 G7 offers larger screen real estate and color accuracy, while ThinkPad T14 Gen 5 excels in bright environments with a 400-nit panel.
- Each laptop varies in CPU and RAM configurations, suitable for different user preferences, with the ThinkBook series having powerful H-series CPUs for intensive tasks and the T14 Gen 5 focusing on efficiency.
- In terms of build material and durability, ThinkPad T14 Gen 5 stands out with premium-grade materials and exceptional battery performance, making it ideal for long-term use and frequent travelers.
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Knowridge
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Tiny satellite could make quantum communication a reality
- A shoebox-sized satellite named QUICK³ has been launched into space by researchers from the Technical University of Munich to test quantum communication technology.
- The satellite, weighing just 4 kilograms, aims to test how quantum communication components work in space to create a secure global network for sending unhackable information.
- Quantum communication uses single photons for secure transmission, making it resistant to interception due to the unique quantum properties of single particles of light.
- The goal is to eventually establish a network of satellites for long-distance quantum communication if the technology proves successful in space, marking a significant step forward for everyday quantum communication use.
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Knowridge
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From phone video to virtual reality: AI turns real rooms into interactive 3D spaces
- AI technology developed by Cornell University, called DRAWER, can turn ordinary videos of rooms into interactive 3D models, allowing users to explore and interact with the space realistically.
- The system uses AI to analyze videos and create realistic 3D scenes without the need for special equipment or sensors, making it user-friendly and accessible.
- Different AI models work together to create detailed digital twins of rooms, enabling tasks like opening doors, moving objects, and training robots virtually for real-world applications.
- While currently focusing on hard objects, researchers aim to expand the technology to include soft materials and larger areas, with the ultimate goal of creating digital twins for various real-world applications.
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Dev
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Easy Water Level Indicator You Can Build – No Microcontroller Needed
- A DIY water level indicator circuit can help prevent overflow in tanks without the need for a microcontroller.
- The system detects water levels using conductive sensors that complete a circuit when water reaches specific points.
- This project requires basic components like resistors, transistors, and buzzers, making it ideal for beginners.
- The water level indicator serves to prevent overflow, conserve water, and protect pumps, with practical applications in households and small-scale water systems.
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Livescience
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'Unlike conventional electronics': New liquid metal-infused circuit boards can self-heal and work after taking heavy damage
- New self-healing circuit boards with liquid metal can work after heavy damage.
- Material called vitrimer allows boards to be recycled and reshaped with heat.
- Liquid metal droplets enhance conductivity, increasing strain at break of vitrimer.
- Scientists aim to combat electronic waste by creating recyclable circuit boards.
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Knowridge
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Smart memory devices that melt away in water could help tackle e-waste
- Researchers at the Korea Institute of Science and Technology (KIST) have developed memory devices that dissolve in water after use.
- The material, PCL-TEMPO, can store data effectively and breaks down naturally within a few days in water.
- These devices are safe for the human body, useful for medical implants, and can withstand repeated bending and use.
- The breakthrough could lead to eco-friendly data storage, implantable medical tools, and temporary military equipment, reducing the need for surgical removal.
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Knowridge
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Gold rush 2.0: Scientists extract treasure from e-waste
- Researchers at Flinders University in Australia have developed a safer and eco-friendly method to extract gold from electronic waste like old computers.
- The new technique avoids the use of toxic substances such as cyanide or mercury, reducing environmental harm caused by traditional mining.
- Using a common disinfectant and a special material made from sulfur, the team can dissolve and capture gold from waste materials with high purity.
- The breakthrough aims to reduce environmental and health risks associated with gold mining, especially in developing countries, and promote recycling of valuable metals from electronic waste.
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Knowridge
2w
0
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Your smartwatch might help stop the next pandemic
- Smartwatches can now detect early signs of illness, including subtle changes in the body like temperature, sleep patterns, and heart rate shifts as soon as 12 hours after infection.
- Research from Texas A&M and Stanford University suggests that using smartwatch data to alert people early about possible illness could potentially reduce disease spread by nearly 50%.
- The alerts from smartwatches could prompt individuals to isolate, get tested, and follow health precautions even before they exhibit symptoms, aiding in the prevention of disease transmission.
- While still in progress, this technology may revolutionize early illness detection and improve timely treatment, potentially helping to prevent outbreaks of diseases like COVID-19, the flu, and RSV.
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Knowridge
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243
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Robotic legs for all: New open-source exoskeleton could help people walk again
- Researchers at Northern Arizona University have developed an open-source robotic exoskeleton system called OpenExo, making it easier for anyone to build exoskeletons.
- OpenExo provides design files, computer code, and instructions for building exoskeletons, removing barriers like cost and complexity.
- The system has already been used to help children with cerebral palsy walk and support patients with gait disorders, leading to grant funding, patents, and a spin-off company.
- The project aims to make it easier for researchers, students, and startups to create robotic tools that enhance mobility and independence, with the hope of transforming lives.
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Knowridge
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Mattel and OpenAI have partnered up. Here’s why parents should be concerned about AI in toys
- Toy giant Mattel has partnered with OpenAI to incorporate AI into some products.
- This raises concerns about children forming emotional bonds with AI-powered toys.
- Potential risks include privacy issues, one-sided emotional attachment, and psychological implications.
- Parents must navigate the balance between benefits and risks of AI toys for kids.
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Knowridge
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Scientists solve longstanding micro-LED problem with feather-light technology
- Scientists from Tianjin University have developed a new 'soft-touch' method to test micro-LED wafers without causing damage, as reported in Nature Electronics.
- Micro-LEDs are small light-emitting diodes that offer brighter and more energy-efficient displays, but defects during manufacturing can be problematic.
- The traditional testing process involves rigid, sharp probes that can damage the surfaces of micro-LED wafers.
- The research team led by Professor Huang Xian created flexible 3D probe arrays that lightly adapt to the wafer's shape, applying a gentle pressure to prevent damage.
- The probes impose only 0.9 megapascals of pressure, allowing for careful electrical testing at high speeds while preserving the wafer surface.
- This method contrasts with traditional probes' pressure, which is one-ten-thousandth of what rigid probes apply, ensuring wafer protection and longer probe lifespan.
- The team also developed a custom testing setup to work with the soft probes, enabling defect screening and quality control without hampering production.
- Professor Huang sees this breakthrough as a foundational advancement with applications beyond micro-LEDs, such as in advanced electronics and biophotonics fields.
- The technology is being implemented through the Tiankai Higher Education Innovation Park, offering a scalable solution for the growing micro-LED market.
- The novel testing method showcases the potential of flexible electronics in addressing sensitive high-tech challenges.
- The approach safeguards product quality, supports high-speed testing, and enhances the durability of testing probes for extended usability.
- The solution provides a cost-effective means to reliably test micro-LED wafers, essential for maintaining high-quality displays in various devices.
- Overall, the breakthrough brings significant advancements in testing micro-LEDs and showcases the potential for broader applications in various industries.
- The innovative soft-touch testing technology promises to revolutionize quality control and production efficiency for micro-LED displays and related technologies.
- The research findings present a groundbreaking solution for the micro-LED industry, addressing a critical need for non-damaging testing procedures.
- The development offers a pioneering approach to enhancing the testing processes for micro-LED wafers, ensuring optimal quality and performance.
- The new method opens up opportunities in diverse fields beyond micro-LEDs, demonstrating the versatility and applicability of the technology.
- With its potential for widespread adoption, the soft-touch testing approach represents a significant milestone in the advancement of micro-LED technology.
- The soft probes and custom testing setup provide a reliable and efficient means to evaluate micro-LED wafers, supporting the industry's demand for high-quality displays.
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Knowridge
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Scientists unlock new way to power drones and sensors with light
- Researchers at the University of Ottawa have developed a new way to power and connect devices using laser light.
- A photonic power converter can convert laser light into electricity, enabling power and data transmission through a single optical fiber over long distances and in extreme conditions.
- The team improved efficiency with a new simulation model and design, achieving over 53% efficiency and more than 2 volts of electricity production.
- The converter works with the same infrared wavelengths as telecommunication networks and over distances greater than a kilometer.
- This innovation allows simultaneous transmission of electricity and data through fiber optic cables, enhancing technology applications in challenging environments.
- It can power lightning-proof sensors on wind turbines, reduce fire risks in aircraft fuel tanks, and connect remote IoT sensors.
- The technology can also be used for underwater sensors, remote video feeds, and in space for drones, satellites, and lunar vehicles.
- The system improves power supply for high-voltage sensors in smart grids, reducing lightning damage and hazards in risky areas.
- Integration into existing fiber optic infrastructure offers potential for more robust, faster, and energy-efficient networks.
- The breakthrough could extend power and data connectivity to previously inaccessible locations.
- The advancement holds promise for various applications in different industries, enhancing safety, reliability, and efficiency.
- The research was a collaboration with Germany’s Fraunhofer Institute for Solar Energy Systems.
- Professor Karin Hinzer led the research team, marking a significant leap in powering technology with light.
- This development could revolutionize how devices are powered in remote and hazardous settings.
- The new technology paves the way for stronger and more reliable connectivity solutions.
- This innovative approach has vast implications for powering and connecting devices in challenging conditions.
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