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Knowridge
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Scientists create super-efficient 5G antenna that could transform wireless networks
- Researchers at the University of Notre Dame have developed a new 5G antenna that uses less than 10% of the energy current systems require.
- The antenna utilizes a special material with a unique internal structure called gyroid, directing wireless signals efficiently and covering all 5G bands.
- This innovation is particularly valuable for the U.S. Army, offering a small, light, and energy-efficient solution for mobile use in the field.
- Commercial interest is high, as the new antenna design could help make 5G more sustainable, affordable, and widespread, potentially reigniting 5G expansion.
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Knowridge
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How cheap combat drones are reshaping the Russia-Ukraine war
- Drones have become a game-changer in the Russia-Ukraine War, potentially transforming Ukraine into a defense powerhouse in Europe.
- Ukraine has escalated drone attacks in response to Russian aggression, while Russia has also increased drone production using Western electronics and Chinese parts.
- Ukrainian drones, costing several thousand dollars to produce, are made from commercially available parts, with some more advanced models priced at around $100,000.
- The shift towards drone warfare has changed the dynamics of the conflict, with Ukraine leading in drone innovation and Russia adapting to the threat posed by unmanned aerial vehicles.
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Knowridge
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New super material could spark a revolution in energy-efficient electronics
- Scientists at Rice University have developed a new material called a Kramers nodal line metal, which could revolutionize energy-efficient electronics.
- The material shows unique quantum behavior with electrons following distinct paths that eventually meet at a Kramers nodal line, leading to exceptional electronic properties.
- This material exhibits superconductivity, allowing it to conduct electricity without energy loss as heat, making it promising for advanced technologies like high-performance computers and quantum devices.
- The research team used advanced tools like spin-resolved photoemission spectroscopy and computer simulations to validate their findings and aims to explore further versions of the material for more incredible properties.
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Pymnts
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Best Buy Predicts Dip in Sales Amid ‘Incredibly Fluid’ Tariff Outlook
- Best Buy predicts a dip in sales this year due to tariffs impacting prices and consumption.
- Quarterly earnings show Best Buy expects yearly revenue to be lower than previous guidance.
- The company is adjusting its supply chain to reduce dependency on China and negotiating with vendors on costs to mitigate tariff impacts.
- Consumer electronics products from various countries are subject to different tariffs, affecting consumer spending decisions.
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Knowridge
7d
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Scientists use TV tech to supercharge diamond sensors in cells
- Scientists have found a way to improve the performance of tiny diamond sensors inside living cells using an idea inspired by high-definition television technology.
- This advancement could enhance early disease detection, such as cancer, by monitoring cellular changes in real-time.
- By coating diamond nanoparticles with a special shell mimicking quantum dot LED TVs, researchers were able to protect and enhance their quantum properties for better performance inside cells.
- The new silicon-oxygen shell developed allowed for improved quantum signal, brightness, and charge stability of the nanodiamonds, leading to a breakthrough in controlling quantum behavior at the smallest scales.
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Eletimes
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Enhance HMI User Experience with Built-in Large Memory MPU
- The HMI market is focusing on better user experience and increased automation, leading to a demand for improved functionality and performance in display-based applications.
- Renesas has introduced the RZ/A3M MPU with a built-in 128MB DDR3L SDRAM, offering high-performance HMI and real-time graphics to enhance user experiences at a reasonable system cost.
- The MPU's integrated memory simplifies PCB design, reduces high-speed signal noise concerns, and supports two-layer PCB design for cost-effective system implementation.
- The RZ/A3M MPU facilitates smooth GUI display with high-resolution graphic LCD controller, 2D graphics engine, 1GHz Arm Cortex-A55 CPU, and USB camera capture capabilities for efficient HMI applications.
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Knowridge
10h
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Smart fabric that “hears” your movements could transform clothing
- Researchers at ETH Zurich have developed SonoTextiles, smart fabrics that use sound to measure touch, pressure, movement, and more.
- The fabric integrates thin glass fibers acting as acoustic sensors, allowing detection and interpretation of changes in sound waves when the fabric bends, stretches, or moves.
- SonoTextiles are more precise, cheaper, energy-efficient, and comfortable compared to traditional smart textiles and have potential applications in healthcare, sports, accessibility, and posture improvement.
- Challenges remain in making the technology more durable and practical for everyday use, such as exploring the use of more durable materials like metal and improving the integration of electronics into the fabric.
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Knowridge
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What you should—and shouldn’t—do in virtual reality
- Virtual reality (VR) offers immersive experiences that are great for things that are Dangerous, Impossible, Counterproductive, or Expensive to do in real life (DICE).
- VR is effective for virtual travel and therapy, helping individuals face fears in a safe environment and treat phobias successfully.
- In learning, VR is best suited for hands-on tasks like surgery or public speaking, whereas traditional methods work better for simple tasks like math problems.
- Choosing the right avatar in VR is crucial, as studies show that different virtual identities can influence behavior, and VR lacks real anonymity due to tracking body movements.
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Eletimes
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STMicroelectronics combines activity tracking and high-impact sensing in miniature AI-enabled sensor for personal electronics and IoT
- STMicroelectronics has developed an industry-first inertial measurement unit (IMU) that combines sensors for activity tracking and high-g impact measurement in a single module.
- The new LSM6DSV320X sensor features dual MEMS accelerometers with embedded AI processing, providing high accuracy for activity tracking up to 16g and impact detection up to 320g.
- This innovative sensor enables smarter interactions and greater precision in smartphones, wearables, consumer medical products, smart homes, smart industry, and smart driving.
- The sensor's wide sensing range and high integration simplify product design, making it suitable for applications in consumer devices, IoT, consumer healthcare, industrial safety, and more.
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Mensjournal
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Segway’s Ninebot Electric Scooter Is Now 29% Off at Amazon
- Segway's Ninebot F2 Electric Scooter is currently available at a 29% discount on Amazon, priced at $500 down from $700.
- The scooter is praised for its premium performance, portability, and user-friendly features, making it ideal for daily commutes.
- The Segway Ninebot F2 Electric Scooter has UL-2271 and UL-2272 certifications, a powerful 700W motor with a range of 25 miles, and a top speed of 18 MPH.
- It also features dual braking system, Apple FindMy app compatibility, and has received positive reviews for its durability, speed, and stability.
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Knowridge
4d
141
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How your touchscreen could warn you about dehydration
- Scientists at KAUST have developed a way to measure hydration levels using smartphone touchscreen technology.
- By analyzing how a fingertip interacts with the screen, changes in skin's ability to hold electric charge can indicate dehydration.
- This innovation offers a simple, real-time method to monitor hydration status with just a single touch on the phone screen.
- The technology could benefit not only fasters during Ramadan but also athletes, children, older adults, and individuals with kidney conditions.
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Knowridge
4d
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Chilling out your chips: How cold could be the future of computing
- A new international study led by Dr. Qing-Tai Zhao suggests that future electronics might run better at extremely low temperatures, leading to a potential 80% reduction in energy use through 'cryogenic computing.'
- Cooling computer chips to near absolute zero could significantly reduce the energy required for transistors to turn on and off, resulting in energy savings of up to 80% even after accounting for the energy needed to maintain the cold temperatures.
- However, challenges arise at such low temperatures, including energy leakage due to imperfections in chip materials and quantum effects like electrons tunneling through barriers, which limit the full efficiency potential of cold computing.
- Engineers are exploring new materials and technologies to design 'cold super-transistors' optimized for low-temperature operation, which could revolutionize data centers, quantum computing, and space exploration with powerful and energy-efficient computing systems.
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TechBullion
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Top Stores Specialized in Electronics, Fashion, and Home Products
- Specialized stores focusing on electronics, fashion, and home products are gaining popularity for their expertise, tailored services, and curated high-quality products.
- Shopping at specialized stores offers benefits like expert advice, unique merchandise, and personalized assistance tailored to specific customer needs.
- Utilizing discount codes such as Noon discount code and Nice One discount code KSA can lead to significant savings across various products in Saudi Arabia.
- Specialized store staff possess in-depth knowledge in areas like the latest gadgets in electronics, fashion trends, and home decor, ensuring customers make informed choices.
- Curated product selections in specialized stores focus on high quality and specific customer preferences, offering exclusivity and unique finds.
- Personalized shopping experiences in specialized stores include interactive displays for electronics, styling services for fashion, and virtual design for home products.
- Exclusive discounts, loyalty programs, and early sales access are common perks offered by specialized stores, enhancing the shopping experience for customers.
- Specialized stores provide higher levels of customer service, post-purchase support, and personalized assistance to ensure customer satisfaction.
- By offering a sense of community and shared interests, specialized stores create opportunities for customers to connect and engage with like-minded individuals.
- Overall, specialized stores in electronics, fashion, and home products offer expertise, quality products, and personalized services that enhance the shopping experience for customers.
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Knowridge
7d
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After 20 years, scientists finally solve the blue OLED puzzle
- Scientists at the University of Michigan have made a breakthrough in designing a blue OLED that is as efficient and long-lasting as green and red counterparts.
- The new blue OLED technology could lead to more energy-efficient displays in the future, enhancing picture quality and reducing power consumption.
- Researchers addressed the challenge of blue OLED efficiency by utilizing a coating on the negative electrode to release energy as blue light more easily.
- Through innovative techniques like utilizing surface plasmons and a tandem OLED structure, the team created a blue OLED that competes with green and red OLEDs in brightness and lifespan.
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Hackernoon
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Turn Your Raspberry Pi Pico into a Robot That Obeys Lines Like a Pro
- The article demonstrates how to turn a Raspberry Pi Pico into a line-following robot using various components.
- A line follower robot is described as an autonomous robot that can track and follow a line on the floor, typically a black line.
- Components required include Raspberry Pi Pico, IR sensor array, L298N motor driver, motors, wheels, caster wheel, LiPo battery, wires, and a computer.
- The software part involves installing Thonny IDE, flashing the Pico with Micropython Firmware, and setting up Thonny for programming.
- The article provides MicroPython code for motor control, sensor reading, PID control, smart search function, and the main loop for the line follower robot.
- Hardware part includes connections between Raspberry Pi Pico, L298N, and the IR sensor array for the line follower.
- IR sensor calibration steps are provided to ensure the accurate functioning of the line follower robot.
- A test run video link is shared for reference, showcasing the working model of the line-following robot.
- The project concludes with thanks and the author's name, Shivank Dan.
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