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Livescience
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What are neural processing units (NPUs) and why are they so important to modern computing?
- Neural Processing Units (NPUs) are circuitries designed to mimic the human brain's parallel architecture, unlike traditional CPUs.
- NPUs have a history dating back to the mid-1940s, with Warren McCulloch and Walter Pitts' neural network being early examples.
- The resurgence of neural networks occurred in 1986, gaining traction with the success of speech recognition in the early 2000s.
- NPUs, inspired by the brain, utilize deep learning instruction sets to execute computations with great speed and low power consumption.
- Applications of NPUs include edge detection in photos, AI-powered features in smartphones, and enhancing video calls.
- NPUs have gradually become integrated into various devices such as smartphones, laptops, and even Windows PCs for AI-enhanced functionalities.
- NPUs are expected to advance rapidly, potentially doubling their processing power every year or two, leading to more sophisticated AI applications.
- Future implications of NPUs include the development of personal AI agents and their integration into a wide range of devices, transforming user experiences.
- NPUs have the potential to revolutionize various industries, from personalized news services to AI-powered humanoid robots that understand human behavior.
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Mensjournal
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RadioShack Closes 1 of Its Last Locations But Plots a Comeback
- RadioShack, an iconic store chain from the 1990s, closed one of its last locations in Maryland after the owner's death.
- The Maryland store, open for over 50 years, was liquidated with products at half price, leaving customers saddened by the end of an era.
- RadioShack now has only six physical stores in the U.S., with several authorized dealers continuing to sell their products under the company's name.
- Despite previous closures due to changing tech trends and competition, RadioShack is planning a comeback, with a new owner showcasing products at tech trade shows for a potential revival.
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Knowridge
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Scientists develop advanced perovskite semiconductors for faster, flexible electronics
- A team of researchers led by Professor Yong-Young Noh and Dr. Youjin Reo from POSTECH has developed a groundbreaking technology using thermal evaporation to create powerful semiconductor layers.
- They focused on tin-based perovskite material for high-performance p-type transistors and used lead chloride to improve the quality of thin films.
- The newly developed p-type transistors showed impressive performance, with high speed and low power consumption, comparable to commercial n-type semiconductors.
- This innovation allows for more stable devices, large-area circuits, and can lead to ultra-thin, flexible screens for smartphones and TVs at low processing temperatures.
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Knowridge
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New wearable fabric could grow living plants on your body
- Researchers from Cornell University have developed a wearable textile called LivingLoom that allows living plants to grow on the body.
- LivingLoom combines seeds with hydrogel fibers woven into wristbands and headbands, enabling the plants to sprout and grow while being worn.
- Volunteers who wore the LivingLoom items reported feeling emotionally connected to the plants, with some adapting their routines to match the plant's needs.
- The project aims to explore new ways for people to interact with nature, and it could potentially be used for digital farming and environmental monitoring in the future.
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Knowridge
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Scientists build ultrafast optical logic gate that works at room temperature
- A team of scientists has developed an ultrafast all-optical logic gate that operates at room temperature at speeds up to 240 gigahertz.
- The gate is powered by light and uses polariton condensation to perform logic operations without generating heat, making it significantly faster than conventional electronic devices.
- This breakthrough is a major step towards the development of optical computers that could potentially replace traditional electronics in super-fast computing systems.
- The research focused on understanding polariton interactions and optimizing timing of light pulses to enhance the speed and reliability of optical systems for future technological advancements.
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Knowridge
11h
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Scientists create the world’s brightest pure-red LED—Here’s how
- A research team from the University of Science and Technology of China has developed the world's brightest pure-red perovskite light-emitting diodes (PeLEDs).
- These new LEDs achieved a peak external quantum efficiency of 24.2% and a maximum brightness of 24,600 cd m-2, setting a new record for pure-red PeLEDs.
- The breakthrough was made possible by addressing carrier leakage issues with a new material design called 3D intragrain heterostructure, which traps electrical charges within light-emitting regions.
- The redesigned PeLEDs demonstrated high efficiency even at extremely bright levels and showed remarkable stability, paving the way for improved displays and lighting technologies.
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TechJuice
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Samsung Unveils 500Hz OLED Odyssey G6 for Next-Level Gaming
- Samsung has launched the world's first 500Hz OLED gaming monitor, the Odyssey OLED G6, setting a new standard in display performance for gamers.
- The monitor boasts a 500Hz refresh rate, 0.03ms response time, QHD resolution, and QD-OLED technology for vivid visuals and swift reactions in gaming scenarios.
- Priced at approximately $1,488, the Odyssey OLED G6 features a premium design with customizable lighting, adjustable stand, ultra-thin bezels, and a range of ports.
- It also offers VESA DisplayHDR True Black 500 certification, peak brightness of 1,000 nits, Pantone Validated support, and compatibility with NVIDIA G-SYNC and AMD FreeSync.
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Knowridge
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Shape-shifting joints could revolutionize wearable devices and robotics
- Researchers at Carnegie Mellon University have developed an algorithm for shape-shifting joints with six degrees of freedom, enabling movements in multiple directions and adjusting stiffness based on needs.
- This breakthrough can lead to wearable devices and robotic parts that can easily reconfigure their movements, making them more versatile in everyday tasks.
- The technology relies on specially designed 3D-printed metastructures that can change shape and stiffness when exposed to heat, allowing for devices to be printed as one solid piece for cost reduction and improved functionality.
- The applications of shape-shifting joints include improved medical wearables, versatile robots with different types of movements, and enhanced augmented reality experiences, with a wide range of potential future applications.
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Medium
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Exploratory Data Analysis: Radiation Monitoring with Python and Geiger Counter
- Background radiation is always present, originating from various sources like uranium, thorium, radon, nuclear accidents, and cosmic rays.
- Exploratory data analysis can help uncover patterns in radiation levels and fluctuations using tools like anomaly detection.
- The article demonstrates collecting radiation data with a Geiger counter and a Raspberry Pi, processing it using Python and Pandas.
- For those interested in using the same data, a link to a Kaggle dataset is provided at the end of the article.
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Knowridge
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How personalized social media could improve well-being and time management
- Customizing social media to match users' habits and needs can improve time management and well-being, according to researchers from the University of Bristol.
- A study presented at a conference in Japan highlighted that tailored engagement on social media could lead to a more positive user experience.
- Using person-centered machine learning, the researchers identified four main types of social media users and found that a one-size-fits-all approach to design does not work.
- By introducing personalized features, social media platforms could help users manage their time and well-being more effectively, promoting better control and more meaningful online experiences.
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Eletimes
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Image Credit: Eletimes
onsemi’s AR0145CS Hyperlux SG Image Sensors, Now at Mouser, Accurately Capture Moving Scenes
- Mouser Electronics, Inc. now stocks the AR0145CS Hyperlux SG image sensors from onsemi, featuring a 1/4.3 inch CMOS digital image sensor with a 1280x800 active-pixel array.
- The sensors offer sophisticated camera features like auto exposure control, pixel binning, and global shutter pixel design for capturing moving scenes accurately.
- AR0145CS image sensors include automatic black level calibration and are suitable for applications like bar code scanners, augmented reality, and surveillance.
- Mouser provides genuine products and technical resources for design support, offers a wide range of semiconductors and electronic components, and delivers customizable e-newsletters to keep engineers informed.
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Medium
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Image Credit: Medium
Quantum Crystals: The Future of Computing and Consciousness
- Quantum crystals, at the nexus of quantum mechanics and material science, hold immense potential for revolutionizing various fields by enabling quantum phenomena on a macroscopic scale.
- These crystals offer unparalleled computational power and efficiency through superposition and entanglement, allowing for simultaneous processing of vast information.
- The collaboration between theoretical physicists and material scientists is crucial for unraveling the mysteries and applications of quantum crystals.
- Quantum crystals bridge the gap between quantum mechanics and the macroscopic world, opening new avenues for exploration and innovation.
- The implications of quantum crystals raise ethical and societal questions, highlighting the importance of responsible usage and equitable access.
- They provide a stable platform for qubits in quantum computing, enhancing computational capabilities and enabling solutions to complex problems.
- Quantum crystals optimize quantum computations by reducing decoherence and maintaining quantum states, leading to reliable and efficient operations.
- The scalability and error correction challenges in quantum systems are being addressed through innovative approaches like topological qubits and error-correcting codes.
- Quantum crystals have applications in diverse fields such as drug discovery, finance, logistics, and climate modeling, promising breakthroughs in efficiency and accuracy.
- The integration of quantum crystals into existing technologies could lead to hybrid systems combining classical and quantum computing prowess for solving previously unsolvable problems.
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Medium
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271
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The Language of ‘Things’ : How the “Internet” in IoT is built
- The Internet is not just the World Wide Web but a global system of interconnected computer networks.
- Building smart devices involves creating miniature 'internets' within them.
- Communication protocols are crucial for devices to exchange information effectively.
- Devices use communication protocols like OSI model, HTTPS, Wi-Fi, and Bluetooth.
- Understanding communication protocol basics is essential for IoT development.
- The article explores the challenges faced when making devices share digital data over wires.
- SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit) are discussed as communication protocols.
- While SPI is efficient, I2C reduces wire clutter for multiple device connections.
- UART (Universal Asynchronous Receiver-Transmitter) is a simple protocol for point-to-point communication.
- RS232 extends UART for long-distance communication using higher voltage levels.
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Knowridge
7d
12
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Why solid-state lithium batteries break down over time
- Solid-state lithium batteries are considered safer and more powerful than lithium-ion batteries but face longevity issues due to tiny cracks and stress in the anode.
- Metal fatigue is a key problem in solid-state lithium batteries, where repeated expansion and contraction of the anode during charging and discharging lead to cracks and microvoids.
- These cracks create weak spots allowing dendrites to form, which can cause short circuits and battery failure.
- Researchers have identified the Coffin-Manson law governing the battery materials' damage, providing a starting point to develop new materials or structures that could potentially extend the lifespan of solid-state lithium batteries.
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Knowridge
1w
38
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Tiny nuclear battery could power devices for decades without recharging
- Researchers in South Korea developed a new tiny nuclear battery that could power devices for years without recharging.
- The betavoltaic cell combines radioactive materials with a special solar cell material called perovskite and was published in Chemical Communications.
- This breakthrough could benefit devices in space, medicine, and military technology where regular recharging is not feasible.
- The new cell demonstrated exceptional electron mobility and stable power output for nine hours, paving the way for potential commercial use in the future.
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