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New discovery lets sodium-ion batteries store more energy while purifying water

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University of Surrey researchers discovered a compound known as nanostructured sodium vanadate hydrate (NVOH) – a layered sodium-based material that naturally contains water within its crystalline structure. Traditionally, researchers treat such compounds with heat to evaporate that water, assuming it weakens the material’s stability. The Surrey team tested that assumption…
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You Asked: From blinding brightness to fading OLEDs

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On today’s episode of You Asked, we cover what to do about an 83-inch TV that’s too bright, whether it’s time to upgrade a 10-year-old TV, and whether a calibration can extend the life of your OLED.

Is an 83-inch TV too bright?

@msbgone asks: I went with an 83-inch TV, and it’s so bright that at times I have to close my eyes. I love the size, but man, being so bright is not always great, and I do not have it at max brightness. Also, when there are shows with flashing, wow, it can be a hard watch. So would I go smaller? Well, I’m not sure. Larger seems overall better in most cases.

Well, to answer your last question first: Yeah. Larger is usually better when you want to be fully immersed in what you’re watching. However, I would say there is such a thing as too large of a TV. Like, if you’re within 10–12 feet, 83 inches feels like a little bit of overkill.

At that distance, 65 inches should be fine. 77 inches is probably all you need. And both would save you a considerable amount of money versus an 83-inch TV. And I’m gonna assume you’re talking about an OLED TV in response to a recent episode of You Asked.

Anyway, I think if you’re finding the TV too bright and you aren’t at max brightness, there could be a few things at play.

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One: Picture mode matters a lot. Especially in a Vivid or Dynamic mode, but even sometimes just in its Standard or Eco mode out of the box, you’re getting a cooler or more blue color temperature than you would in a Movie or Filmmaker mode. Those modes, movie and filmmaker, tend to give you a warmer color temperature that’s easier on the eyes regardless of where your brightness is set. So if you’re not in one of those modes, it’s worth making that change and getting rid of that harsh blue light that can cause a little more eye discomfort.

Another thing could be your Local Dimming setting. Set to High, it’s going to push the highlights a little harder and darken the shadows to create more contrast. If you were to lower that setting, while it would take away a bit from the higher contrast HDR experience, it would probably be another step toward lowering the brightness.

And the third thing: it could just be the size. If it’s too big, it’s too big and there’s just too much light coming at you at a close distance. So maybe going smaller would be the answer.

Should you upgrade a 10-year-old TV?

@petekropf5335 asks: I need your help on if I would see a huge improvement buying a new low-cost TV versus my current 10-year-old TV. I currently have a 65-inch LG UH6150… that’s an LED TV if you didn’t know… Peter continues… It’s still working, but hard to see dark scenes in shows, and the ethernet / wireless have not worked in years. So I have not been able to update the TV. I was wondering if the picture quality would be worth it if I got a low-cost TV such as the TCL 75-inch Q671G or Hisense QD7N. When you have watched the same TV for a decade, it’s hard to know if the one I got has better picture quality than a cheaper new one. Any thoughts would be greatly appreciated. Thank you!

Hey Peter, before getting into the details, I would say straight up, yes, you’re due for a new TV. I know it’s a badge of honor for us to boast about how long we’ve had something and how well it’s aged, and how good of a value it is since you haven’t had to spend money on an upgrade in a decade. But at some point, if you do value picture quality and a lot of the quality of life improvements that have come in the last 10 years, it’s time to say a respectful farewell to the TV and upgrade. And this is coming from someone, me, who had the same LG LED TV in my living room from 2011 until 2023. I used a Roku streaming stick to keep up with the times and quickly access and update my favorite apps, but I was long overdue.

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So, to you, I would say you can confidently upgrade and know that you’ll see a difference in picture quality and how quickly the TV operates and the smart TV interface.

In terms of the TVs you’re looking at upgrading to, I’m sure you’re well aware that as budget models, both have their compromises, but it really comes down to a few key differences, with a caveat I’ll mention at the end.

The TCL uses a VA panel, which will have better contrast, and that’s its biggest advantage.

The Hisense, on the other hand, is brighter and uses an IPS panel, which gives it a much wider viewing angle. But that comes at the cost of contrast.

So if you and your viewing party are primarily watching the TV from straight on and the room dimly lit, or better yet, just straight up dark, the TCL Q671G is probably the way to go. But if you’re in a brighter room or someone will be frequently watching TV from a side angle, I lean toward the Hisense.

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The only potential flaw in this logic is this: in the United States, we have the TCL Q651G, which is what I’m basing my advice from. You’re talking about the Canadian Costco version, which is the Q671G. From what I can find, they’re pretty much the same, but just wanted to have that in there so you know in case you’re doing further research.

Can a calibration extend the life of your OLED?

John Craig asks: I have a Sony A8G OLED that I bought after watching a Digital Trends review. It’s been great, and I still enjoy it even more than the newer Sony X90L, which was also a Digital Trends recommendation. Recently, the A8G seems to have lost some of its pop. I’ve tried adjusting some settings based on YouTube channel recommendations, but it still seems like it has lost some of its luster. My questions: Would getting a professional calibration be worthwhile at this point? Can the picture on an older TV be revitalized through those adjustments? Or is the OLED just fading with age?

Oh this is a good one John. First of all, I think that speaks volumes about OLED TVs and how even older models still turn out a superior image compared to newer LED TVs. Glad to hear you’re still enjoying your A8G.

As for your question though, if you’ve gone through the suggested advice, which is probably some of the same stuff I’d say, I’ll save you the time and say that a professional calibration is the next logical choice, but is it worth it?

If you can really tell that it’s lost some of its pop, and you would know better than anyone online because it’s YOUR EYES that have been on it for more than half a decade, then maybe it is too far gone.

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But a calibration from a professional can make a big difference. What a pro can do is adjust the TV to what best fits your room and viewing environment. Everything from color to black levels and brightness can be tuned to improve the image. And again, I think it would help.

But consider the price of the calibration and the age of the TV. That professional is probably gonna cost anywhere from 200 to 500 dollars… maybe more. It’s not cheap, but it is less expensive than a new Sony OLED. I’m just assuming you’re Team Sony since you have two of them and like the processing of the A8G.

At one point, I probably would’ve just recommended the Bravia 8 Mark 1 when it was on a bigger sale during the holidays, but a 65-inch model is nearly 2,000 dollars again, and that’s a lot more than it would cost you to get your current TV calibrated.

All that to say, I’d say go for the calibration if you want to see the improvement and put off buying a new OLED… OR… If you were to venture from Team Sony, check out the LG B5. At 65 inches, I’m seeing it for 1,000 dollars right now, and THAT might be worth it for a new OLED TV instead. I hope that helps.

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iPhone 18 Pro may come in deep red after success of its orange predecessor

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A new report claims that Apple will repeat the vibrant color of the iPhone 17 Pro Max and offer options including a return to a deep red for the iPhone 18 Pro Max, but not the iPhone Fold.

Close-up of a red smartphone's back showing three large black camera lenses, a small flash, and a microphone hole on a smooth metallic surface.
Mockup of a deep red iPhone 18 Pro Max

It has traditionally been that lower-end iPhones can get bright colors such as the purple iPhone 12, while with exceptions, the Pro models have more muted ones. Now according to Bloomberg, the iPhone 18 Pro line will also get stronger than usual colors.
This is said to be specifically because the orange iPhone 17 Pro Max has allegedly been particularly popular in China. Consequently, the claim is that deep red is in consideration as the color of the two Pro models in the iPhone 18 range.
Rumor Score: 🤔 Possible
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Recreating Mega Man’s Mega Buster

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Mega Man is a popular video game character who is perhaps most notable for having a sort of lasery-type blaster for an arm. A real hand cannon, if you will. It’s officially called the Mega Buster, and [Arnov Sharma] recently recreated it for cosplay purposes.

Key to any good cosplay build is getting the visuals right, and [Arnov] achieved that well. The Mega Buster was first recreated in Fusion 360, scaled to an appropriate size to fit [Arnov]’s arm. It was 3D printed in several sections, with the body including a grab handle and fire button inside, and the side panel and blaster nozzle having provision for installing LEDs. The former is the blaster’s “power meter” which shows how many shots it has left until it runs out of energy, with the blaster able to fire six times before needing to cooldown. A Raspberry Pi Pico controls the LEDs and provides sound effects with the aid of a PAM8403 class D amplifier module and a small speaker.

The 3D files are available on Instructables for the curious. Perhaps by virtue of its arm-mounted nature, this build reminds us of the venerable Pip Boy from Fallout, of which we’ve seen many grand recreations before. Video after the break.

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Expect at least five announcements during Apple's March launch week

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Apple’s early March string of announcements will include at least five product launches capped off by its triple-location event on March 4, with the budget MacBook and iPhone 17e tipped to appear.

White Apple iPhone showing a dark abstract sphere wallpaper beside an open silver MacBook laptop on a bright yellow and green gradient background
iPhone 17e and new MacBooks are expected in March

An “Apple Experience” is being held on March 4, which is widely expected to include multiple product launches. While no-one knows definitively what will be promoted by the company, it will consist of quite a few product introductions.
In Sunday’s “Power On” newsletter for Bloomberg, Mark Gurman writes that Apple is planning three days of announcements. They will take place on Monday, March 2, until Wednesday, March 4.
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How to Hide Google’s AI Overviews From Your Search Results

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Going online in 2026 means subjecting yourself to a relentless bombardment of generative AI tools. How about a few AI agents to get you started? Do you want to use this chatbot sidebar? Would you like every search query to be answered with an AI summary? While there’s no off switch to avoid this smorgasbord of AI tools entirely, there is one keyboard trick you can use to dodge Google’s AI Overviews for a brief respite.

If you don’t want to see an AI-generated summarization of webpage links when you use Google Search, you can type “–ai” at the end of your query. It’s an option WIRED readers highlighted under a recent article about scams found in Google’s AI Overviews. I’ve thoroughly enjoyed using this nifty addendum over the past week, and I wish Google offered a permanent toggle with similar zapping capabilities.

“People find Search more helpful with AI Overviews, and they’re coming back to search more as a result,” a Google spokesperson tells WIRED. “We offer a ‘web’ filter to see links only, but people only use it for a tiny fraction of searches.” The spokesperson compared AI Overviews to other features baked into the search results, like knowledge panels, that can’t be removed.

If you want to try this out, you can put any combination of letters or numbers attached to an en dash, like “–1” or “–z,” at the end of your Google search, and it works just the same, as reported by PCMag. It prevents AI Overviews from appearing completely. The en dash function in Google is designed to remove whatever topic you attach to it from the search results. The removal of AI Overviews seems incidental, and it’s unclear how long this trick will stick around. After typing in a result, you can also tap on the “Web” tab—sometimes hidden under “More”—right below the search bar to see site links.

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In my tests, the –ai trick appears to be limited to search queries in computer browsers. When I tried it in the Safari and Chrome apps on iOS, Google’s AI-generated “web guide” still popped up prominently in the results. However, Google does offer a Classic Search button on the right side of these results. After clicking that button, the results will reload and show you a mix of website links and short-form videos. The exception seems to be on Android—at least on a Google Pixel phone we tested with, using “–ai” removed AI Overviews.

It’s a nice change from the current default when I’m using my laptop, and I’ll likely continue typing “–ai” at the end of every search until it becomes muscle memory, just like I add “Reddit” all the time to my queries. Even so, I feel nostalgic for the minimalist Google I grew up with and the utter simplicity of those top 10 blue links.

If you’re looking to switch search engines to a service without any generative AI, DuckDuckGo and Brave are two solid options worth considering. Both search engines allow users to toggle AI summaries on and off in the settings. You don’t need to change browsers to use a different search engine, as Google lets you swap the default search engine in Chrome’s settings menu.

When Google launched AI Overviews in 2024, it was a major turning point for the search engine. But AI Overviews was widely mocked on social media for incorrect answers, like an infamous result that suggested baking pizza with glue. It didn’t stop Google, though, as the company has continued to lean further into AI tools since the initial release of AI Overviews and has kept iterating on the user experience.

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While Google claims the accuracy of these results has improved over time, generative AI tools still sometimes insert inaccuracies when summarizing information. So, it’s always worth clicking through and double-checking anything you read in an AI Overview. All the more reason, I think, to cut out the middlebot completely and visit those dang websites directly.

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Xenoblade Chronicles X: Definitive Edition’s Switch 2 upgrade is wonderful, and could hint at Monolith Soft’s future on the console

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I’m still reeling from the surprise release of Xenoblade Chronicles X: Definitive Edition – Nintendo Switch 2 Edition. Not only because it’s quite possibly the worst title for a re-release I’ve ever seen, but also due to it literally coming out of nowhere with Nintendo posting the trailer and shadow dropping it on the eShop simultaneously.

Having played Xenoblade Chronicles X: Definitive Edition for review last year, racking up more than 100 hours of gameplay and ticking off almost every activity the game had to offer, the Switch 2 upgrade admittedly doesn’t offer much for me. Like Tears of the Kingdom and Breath of the Wild, it is a basic upgrade that allows the game to hit a 4K resolution (depending on your console’s settings and TV’s capabilities) at up to 60fps.

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Visual Intelligence & Apple wearables are Tim Cook's next big thing

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The AI pendant and AirPods with cameras are getting a big push from Apple CEO Tim Cook, with his Visual Intelligence chatter a big indicator of where Apple’s focus is going.

Smartphone screen showing a hand holding white wireless earbuds labeled AirPods Pro, with a glowing text box below containing the question What are these above a virtual keyboard
Looking up AirPods from an image on AppleInsider, using Visual Intelligence

Recent rumors have claimed Apple is working on a form of pin or pendant that works with Apple Intelligence. They, alongside other forecasts about AirPods with cameras, form part of an apparent third product category that Apple CEO Tim Cook is keen to introduce.
In Sunday’s “Power On” newsletter for Bloomberg, Mark Gurman recaps the recent hints from Cook about AI wearables and their connection to Visual Intelligence.
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F-35 Software Could Be Jailbreaked Like an IPhone: Dutch Defense Minister

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Lockheed Martin’s F-35 combat aircraft is a supersonic stealth “strike fighter.” But this week the military news site TWZ reports that the fighter’s “computer brain,” including “its cloud-based components, could be cracked to accept third-party software updates, just like ‘jailbreaking’ a cellphone, according to the Dutch State Secretary for Defense.”

TWZ notes that the Dutch defense secretary made the remarks during an episode of BNR Nieuwsradio’s “Boekestijn en de Wijk” podcast, according to a machine translation:

Gijs Tuinman, who has been State Secretary for Defense in the Netherlands since 2024, does not appear to have offered any further details about what the jailbreaking process might entail. What, if any, cyber vulnerabilities this might indicate is also unclear. It is possible that he may have been speaking more notionally or figuratively about action that could be taken in the future, if necessary…

The ALIS/ODIN network is designed to handle much more than just software updates and logistical data. It is also the port used to upload mission data packages containing highly sensitive planning information, including details about enemy air defenses and other intelligence, onto F-35s before missions and to download intelligence and other data after a sortie. To date, Israel is the only country known to have successfully negotiated a deal giving it the right to install domestically-developed software onto its F-35Is, as well as otherwise operate its jets outside of the ALIS/ODIN network.

The comments “underscore larger issues surrounding the F-35 program, especially for foreign operators,” the article points out. But at the same time F-35’s have a sophisticated mission-planning data package. “So while jailbreaking F-35’s onboard computers, as well as other aspects of the ALIS/ODIN network, may technically be feasible, there are immediate questions about the ability to independently recreate the critical mission planning and other support it provides. This is also just one aspect of what is necessary to keep the jets flying, let alone operationally relevant.”

“TWZ previously explored many of these same issues in detail last year, amid a flurry of reports about the possibility that F-35s have some type of discreet ‘kill switch’ built in that U.S. authorities could use to remotely disable the jets. Rumors of this capability are not new and remain completely unsubstantiated.”

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At that time, we stressed that a ‘kill switch’ would not even be necessary to hobble F-35s in foreign service. At present, the jets are heavily dependent on U.S.-centric maintenance and logistics chains that are subject to American export controls and agreements with manufacturer Lockheed Martin. Just reliably sourcing spare parts has been a huge challenge for the U.S. military itself… F-35s would be quickly grounded without this sustainment support. [A cutoff in spare parts and support”would leave jailbroken jets quickly bricked on the ground,” the article notes later.] Altogether, any kind of jailbreaking of the F-35’s systems would come with a serious risk of legal action by Lockheed Martin and additional friction with the U.S. government.

Thanks to long-time Slashdot reader Koreantoast for sharing the article.

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Poem: The Attraction of Blackberries

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The first time she tried to seduce me,
(atoms falling in a vacuum)
she asked about blackberries—
(every mass exerts some gravity)

Did I know their season, where they grow?
(galvanometers, gravimeters)
I could answer both easily—
(tools to measure small attractions)

down the dirt road in September.
(devices that report, don’t interfere)
She eagerly went there with me,
(variations in readings occur)

We ate more berries than we kept.
(electron exchange may explain this)
The sweet dark juice painted our lips.
(equilibrium then entropy)

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Has the AI Disruption Arrived – and Will It Just Make Software Cheaper and More Accessible?

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Programmer/entrepreneur Paul Ford is the co-founder of AI-driven business software platform Aboard. This week he wrote a guest essay for the New York Times titled “The AI Disruption Has Arrived, and It Sure Is Fun,” arguing that Anthropic’s Claude Code “was always a helpful coding assistant, but in November it suddenly got much better, and ever since I’ve been knocking off side projects that had sat in folders for a decade or longer… [W]hen the stars align and my prompts work out, I can do hundreds of thousands of dollars worth of work for fun (fun for me) over weekends and evenings, for the price of the Claude $200-a-month.”

He elaborates on his point on the Aboard.com blog:

I’m deeply convinced that it’s possible to accelerate software development with AI coding — not deprofessionalize it entirely, or simplify it so that everything is prompts, but make it into a more accessible craft. Things which not long ago cost hundreds of thousands of dollars to pull off might come for hundreds of dollars, and be doable by you, or your cousin. This is a remarkable accelerant, dumped into the public square at a bad moment, with no guidance or manual — and the reaction of many people who could gain the most power from these tools is rejection and anxiety. But as I wrote….

I believe there are millions, maybe billions, of software products that don’t exist but should: Dashboards, reports, apps, project trackers and countless others. People want these things to do their jobs, or to help others, but they can’t find the budget. They make do with spreadsheets and to-do lists.

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I don’t expect to change any minds; that’s not how minds work. I just wanted to make sure that I used the platform offered by the Times to say, in as cheerful a way as possible: Hey, this new power is real, and it should be in as many hands as possible. I believe everyone should have good software, and that it’s more possible now than it was a few years ago.
From his guest essay:

Is the software I’m making for myself on my phone as good as handcrafted, bespoke code? No. But it’s immediate and cheap. And the quantities, measured in lines of text, are large. It might fail a company’s quality test, but it would meet every deadline. That is what makes A.I. coding such a shock to the system… What if software suddenly wanted to ship? What if all of that immense bureaucracy, the endless processes, the mind-boggling range of costs that you need to make the computer compute, just goes?

That doesn’t mean that the software will be good. But most software today is not good. It simply means that products could go to market very quickly. And for lots of users, that’s going to be fine. People don’t judge A.I. code the same way they judge slop articles or glazed videos. They’re not looking for the human connection of art. They’re looking to achieve a goal. Code just has to work… In about six months you could do a lot of things that took me 20 years to learn. I’m writing all kinds of code I never could before — but you can, too. If we can’t stop the freight train, we can at least hop on for a ride.

The simple truth is that I am less valuable than I used to be. It stings to be made obsolete, but it’s fun to code on the train, too. And if this technology keeps improving, then all of the people who tell me how hard it is to make a report, place an order, upgrade an app or update a record — they could get the software they deserve, too. That might be a good trade, long term.

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