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Earth on Solar Storm Alert: G4-Class Geomagnetic Storm May Hit Today After Sun's Biggest Explosion Of 2025
Earth on Solar Storm Alert: G4-Class Geomagnetic Storm May Hit Today After Sun's Biggest Explosion Of 2025

India.com

time5 hours ago

  • Science
  • India.com

Earth on Solar Storm Alert: G4-Class Geomagnetic Storm May Hit Today After Sun's Biggest Explosion Of 2025

Brace for Impact: A high-speed solar storm, triggered by the Sun's most powerful eruption of the year, is currently buffeting Earth's magnetic field, with space weather experts warning of possible G4-class geomagnetic storm conditions today. The eruption, which occurred on May 31, was unleashed by sunspot AR4100 and is now affecting Earth's space environment in real time. According to both NASA and NOAA, an unusually strong coronal mass ejection (CME) is the source of this disturbance. This rare consensus from the world's top space agencies underscores the seriousness of the unfolding solar storm. What Triggered This Solar Surge? Sunspot AR4100 erupted spectacularly on May 31, producing a powerful M8.2-class solar flare. Although it narrowly missed being classified as an X-class flare, the most intense category, its long duration and sustained energy made it significantly impactful. The flare lasted over three hours, giving the CME enough force to travel directly toward Earth at an astonishing speed of 1,938 km per second. Satellite imagery from the Solar and Heliospheric Observatory (SOHO) captured a striking halo CME, indicating that the solar material was ejected in all directions, with Earth directly in its path. What to Expect on June 2, 2025? The CME reached Earth's magnetosphere on June 1 and is continuing to cause geomagnetic disturbances today. If the magnetic fields within the CME align southward (opposite to Earth's), the resulting G4-class storm could significantly disturb satellite operations, navigation systems, and even terrestrial power grids. The storm's peak impact is expected on June 2, and it may lead to: 1. Widespread auroras: If conditions are favorable, auroras could be visible much farther south than usual — including across northern Europe, Canada, and several northern U.S. states. 2. Satellite and GPS interference: Increased radiation and charged particles can affect communication satellites and GPS signals. 3. Power grid fluctuations: Intense storms can induce currents in long transmission lines, stressing power grids. How Rare Is This? Although it doesn't surpass the legendary G5 storm from May 2024, this is easily one of the strongest solar events of the current Solar Cycle 25, making it a valuable learning opportunity for space weather researchers and a fascinating phenomenon for skywatchers. Why It Matters? Each geomagnetic event offers new insights into how our planet responds to the Sun's outbursts. Understanding the nature of these space storms is critical for protecting vital infrastructure, forecasting future solar threats, and planning for upcoming solar maximum conditions expected around 2025-2026. For now, scientists remain vigilant while skywatchers around the globe may be treated to a stunning celestial display. Just remember to keep your cameras ready and your GPS systems double-checked, the Sun is putting on quite a show.

HP's 11-in-1 Dock Is Still Over 50% Off at Amazon, the Memorial Day Sale Hasn't Ended
HP's 11-in-1 Dock Is Still Over 50% Off at Amazon, the Memorial Day Sale Hasn't Ended

Gizmodo

time3 days ago

  • Business
  • Gizmodo

HP's 11-in-1 Dock Is Still Over 50% Off at Amazon, the Memorial Day Sale Hasn't Ended

Sorry to nerd out with the Lord of the Rings reference right out of the gate, but if you have a gigantic knotty mass of disorganized wires living on your desk, we're offering to replace them with the One Cord to Rule Them All. HP's G5 USB-C Dock and 11-in-1 Adapter will take that octopus and break it down into a single USB-C cable to connect to your Thunderbolt- or USB-C-enabled laptop or desktop computer. Everything you could possibly need a cable for — charging mobile devices, connecting via Ethernet, adding external monitors and printers and more — runs through this one compact port that brings order to your cable chaos. See at Amazon The HP G5 USB-C Dock was one of the better Memorial Day tech deals at Amazon, selling for just $108 after a big 53% price break. Memorial Day may be gone, but the deal remains — you can still get the HP G5 USB-C Dock for half price at Amazon. If you have a multiple-monitor setup or you're constantly disconnecting your laptop from your desktop setup to take it on the go, this 11-in-1 dock is a true game-changer. Center of Your Tech Universe First, let's run through the specifics of all of these ports: There are 4 USB-A 3.0 ports, 1 USB-C port for data and 15W power out, 2 DisplayPort 1.4 connections, 1 HDMI 2.0 port, 1 Ethernet port, and an audio jack. There's one more USB-C connection that leads to your laptop or desktop, a standard lock slot, and a AC power connection to complete the scene, and amazingly all of these useful connections are contained within an unassuming 5-by-5 inch block that's also less than 2 inches tall. While the HP name is solid assurance that the G5 Dock is a high-quality product you'll use for years, it's not an indication that this dock is just for HP computers. Any Thunderbolt- or USB-C-enabled laptop or desktop can connect to the G5 Dock, including ones from Apple. Power Station The HP G5 Dock powers your computer while it handles all of your other tasks, so your portable devices charging and your automated backup to a portable USB hard drive and your three-monitor multitasking does not come at the expense of your computer's battery. Even firmware and system updates can pass through the G5 Dock to your computer while it sleeps. As clutter-busting devices go, we can't think of a better solution than the HP G5 USB-C Dock and 11-in-1 Adapter, especially now that the Memorial Day sale at Amazon that's dropped its price by half to just $108 is still going strong long after the holiday weekend. See at Amazon

How LG's 4-Stack OLED Tech Makes TVs Brighter, Better Than Ever
How LG's 4-Stack OLED Tech Makes TVs Brighter, Better Than Ever

CNET

time22-05-2025

  • CNET

How LG's 4-Stack OLED Tech Makes TVs Brighter, Better Than Ever

Like razors and hamburgers, the key to better OLED seems to be more stacks. Layers of OLED stacked on other layers of OLED can result in brighter and brighter displays. OLED screens on TVs, monitors, laptops and phones already deliver the best image quality of any display tech, and with two new technologies, they're poised to get even better. LG's latest high-end OLED TV, the G5, features a four-stack design that results in the brightest OLED picture CNET has tested to date -- more than 30% brighter than any other OLED TV we've tested. That's quite a jump in performance for what are already some of the best TVs ever. New advances in phosphorescent materials to supplement OLED's typically luminescent material are potentially just as interesting. This new tech will likely improve brightness even more or make for more efficient displays for portable devices. Are these advances just hype? Probably not. This seems like a serious jump in OLED performance. Here's why. Stacks on stacks LG's third-gen OLEDs, like previous generations, used blue OLED material with yellow or yellow-green OLED, plus color filters, to create red, green and blue light. The new design uses separate red and green OLED materials, a rarity in TV OLED designs. LG To understand why this new design is noteworthy, first let's take a moment to talk about previous generations of OLED and how they worked. Prior to popular opinion, modern OLED TVs do not have red, green and blue OLED materials creating light. Samsung experimented with RGB OLED in the early days but couldn't get it to work cost-effectively. LG, instead, has long done some version of blue OLED plus a yellow, or yellow-green OLED material. This "white" light would pass through color filters to create the red, green and blue that make up an image. They'd throw in an additional white sub-pixel to improve brightness. We've talked about this before, and while it seemed weird at first, it looked great at the time, and it's only been improved over the years. Samsung took a different approach when it finally re-entered the OLED market with its QD-OLED design. This used only a blue OLED material and added red and green quantum dots to create the rainbow of fruit flavors. The problem, from a tech side, is that you can push OLED only so hard. There are a variety of reasons for this, not least of which is longevity. The candle that burns twice as bright burns half as long, essentially. What engineers found is that, if you stack OLED layers on top of each other, together they can create a brighter image while not running any individual layer particularly hard. As in, "33+33+33=~100" has advantages over "100=100." There is more to it than all that, but that's how we got here. Not just more stacks, but different stacks LG So with that in mind, I'm sure you see how it's logical to just add another layer ("33+33+33+33=Profit!"). While basically true, there's another change here that, as someone who has written about OLED from its early days, I find particularly fascinating: LG has gone RGB. LG calls its new fourth-gen tech "Primary RGB Tandem." It has two stacks of blue OLED, and swaps out the yellow-green layer for separate green and red layers. (RGB OLED returns!) The biggest advantage here is better color performance at higher brightness levels. There are obvious efficiency advantages to not using yellow-green materials to create green and red. Blue, long the problem child for OLED, is still doubled up in the new design for brightness and longevity reasons. In CNET's tests of the G5 OLED, we measured around 2,800 nits, which is 31% brighter than the other OLED TV we've reviewed, the Samsung S95D, and a jump of around 40% in brightness over the previous-gen LG G4. Even though our tests didn't match LG Display's claims of 4,000 nits, that's still a significant jump in performance after many years of relatively modest improvements. Phosphorescence A blue phosphor in a Universal Display Corp lab. UDC LG also recently announced a different OLED breakthrough that's not quite ready for TV "prime time" but is no less interesting, at least if you're a nerd like me. The blue OLED materials used in TVs have thus far been luminescent. This means, basically, that when you give them energy, they light up, and when you turn it off, they go dark. Phosphorescence works a little differently. Supply energy to phosphorescent materials, and they glow. How long they glow varies, but what makes it interesting is that phosphorescent materials tend to be far more efficient than luminescent ones. They "hold onto" the energy for a moment, releasing more of it as light than the "instant" conversion of luminescent materials. UDC/CNET Phosphorescent blue OLED has been a bit of a white whale in OLED design, and LG, together with Universal Display Corp, has finally cracked it (having been working on it for a long time). They're combining a fluorescent blue layer with a phosphorescent blue layer, currently paired with a yellow-green layer. LG says this combines "the stability of fluorescent materials with the power efficiency of phosphorescent materials, resulting in approximately 15% lower power consumption." LG Right now, LG intends to use this tech in displays that require high brightness and efficiency, namely smartphone and tablet screens. Could the four-stack design in LG's new TVs be modified to use a phosphorescent layer for even more brightness and energy efficiency? I would assume so, at least eventually. The new king, for now? The next-gen TV tech with many names: QD-EL, EL-QD, NanoLED, QED; aka direct-view, electroluminescent quantum dots. Samsung/CNET It'd be logical for one's eyes to drift toward Samsung to see what its response will be. However, I'm not sure if they need one. At least, not right now. Its QD-OLED tech is quite new and very good. Quantum dots are pretty remarkable and are nearly 100% efficient in turning one color of light into another. QD-OLED doesn't have the same potential limitations with color saturation at high brightness levels as LG's older designs. So if Samsung adds even more stacks (somewhere between possible and likely), it could theoretically get even greater brightness while maintaining color saturation. If the company switches to a phosphorescent blue material, it could see brightness and efficiency improvements, just like what LG is claiming. We shall see. What we can also imagine, on the horizon, is something that might potentially replace OLED. QD-EL, aka NanoLED, aka direct-view quantum dots, uses electroluminescent quantum dots to create an image, no OLED or LEDs needed. After several years of restricted-access tech demos, TCL had a prototype just sitting in its booth at CES 2025 for everyone (at least, all who noticed) to see. At the Society for Information Display's Display Week, Samsung showed off a 400-nit QD-EL prototype. As far as this tech goes, that's big and bright. (We like big and bright.) It's going to be an interesting few years for display tech, that's for sure. In addition to covering cameras and display tech, Geoff does photo tours of cool museums and locations around the world, including nuclear submarines, aircraft carriers, medieval castles, epic 10,000-mile road trips and more. Also, check out Budget Travel for Dummies, his travel book, and his bestselling sci-fi novel about city-sized submarines. You can follow him on Instagram and YouTube.

Level Up Your Play With the New Logitech G522 Gaming Headset
Level Up Your Play With the New Logitech G522 Gaming Headset

Yahoo

time21-05-2025

  • Entertainment
  • Yahoo

Level Up Your Play With the New Logitech G522 Gaming Headset

Delivering breakthrough audio performance, precision, and style, the G522 is designed for all types of game play LAUSANNE, Switzerland & SAN JOSE, Calif., May 21, 2025--(BUSINESS WIRE)--Logitech G, a brand of Logitech (SIX: LOGN) (NASDAQ: LOGI) and a leading innovator of gaming and sim racing technologies and gear, today announced the launch of the Logitech G522 Gaming Headset, a new addition to its award-winning G5 series, designed to elevate both gameplay and personal expression. "G522 was made for gamers who bring passion and personality to everything they do," said Ujesh Desai, vice president and general manager of Logitech G. "Whether you're climbing the ranks, streaming for your audience, or pulling all-night gaming sessions, the G522 ups your game with top-tier performance, features, and style." G522 builds on the strong foundation of the widely popular Logitech G733 headset, carrying its legacy further while introducing an exciting evolution. At first glance, the family resemblance is clear, but as you look closer, the G522 reveals a fresh, elevated design. It's all about progression – sleeker curves, a more sophisticated silhouette, and thoughtful design choices that reflect a modern take on performance and style. The sharper edges of the G733 have been transitioned into smooth, flowing lines showcasing a refined aesthetic. "The G522 headset is the result of meticulous craftsmanship and a relentless attention to detail, every element is intentionally designed to deliver a curated, premium experience," said Ahmed Riaz, Head of Design at Logitech G. "It builds on a proven formula for success that's become synonymous with our G5 Series products, combining precision engineering with a deep understanding of what today's gamers value most." G5 Series gamers play a wide variety of games. As a result, the new G522 headset had to perform to the level of the most discerning core gamers and be flexible enough to work seamlessly across all genres and types of gameplay. Designed for long sessions, G522 delivers a significant leap forward in comfort, engineered with community feedback at its core. The ear cups have been redesigned with a wider shape and an added layer of memory foam to enhance cushioning and cooling, wrapped in a new fabric that's both softer and more durable. A reversible suspension band now rests flatter and more evenly across the head, with added ridges to increase breathability and upgraded materials for extended durability. To ensure all-day comfort for every gamer, our player fit tests included individuals who wear glasses or earrings, making the G522 a headset built for everyone. At the heart of the headset are new synchronized PRO-G drivers that deliver Logitech G's highest-fidelity, paired with 48 kHz/24-bit digital signal processing for unparalleled immersion and precision. Gamers can hear subtle in-game cues—like distant footsteps or weapon reloads—with crystal clarity. Communication is critical in competitive and online play, and the G522's 48 kHz/16-bit microphone, enhanced by BLUE VO!CE technology ensures your voice cuts through the chaos. Customize your microphone audio with real-time filters and effects, delivering a professional sound for every session. The G522 offers tri-mode connectivity, allowing seamless switching between LIGHTSPEED wireless, Bluetooth, and USB-C. It's built for fluid transitions between platforms, PC, console, and mobile, without the lag or hassle. G HUB software and the Logitech G mobile app allow gamers to fine-tune their audio with a 10-band EQ, personalize LIGHTSYNC RGB, adjust mic settings, and save up to three custom profiles directly to the headset. Continuing Logitech G's commitment to reducing environmental impact, the G522 is crafted with 27% post-consumer recycled plastic and low-carbon aluminum, aligning performance with purpose. Availability The Logitech G522 Gaming Headset is available now in black and white at and select retailers worldwide for a suggested retail price of USD 159.99. About Logitech Logitech designs software-enabled hardware solutions that help businesses thrive and unite people when working, creating, gaming, and streaming. As the point of connection between people and the digital world, our mission is to extend human potential in work and play in a good way for people and the planet. Founded in 1981, Logitech International is a Swiss public company listed on the SIX Swiss Exchange (LOGN) and the Nasdaq Global Select Market (LOGI). Find Logitech and its other brands, including Logitech G, at or the company blog. Logitech and Logitech G are trademarks or registered trademarks of Logitech Europe S.A. and/or its affiliates in the U.S. and other countries. All other trademarks are the property of their respective owners. For more information about Logitech and its products, visit the company's website at (LOGIIR) View source version on Contacts Editorial Contact: Matthew Mortellaro mmortellaro@ Error in retrieving data Sign in to access your portfolio Error in retrieving data Error in retrieving data Error in retrieving data Error in retrieving data

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