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OpenAI jumps gun on International Math Olympiad gold medal announcement

On Saturday, OpenAI researcher Alexander Wei announced that a new AI language model the company is researching has achieved gold medal-level performance on the International Mathematical Olympiad (IMO), matching a standard that fewer than 9 percent of human contestants reach each year. The announcement came despite an embargo request from IMO organizers asking AI companies to wait until July 28 to share their results. The experimental model reportedly tackled the contest's six proof-based probl

You Can Save Money on Back-to-School Shopping During Sales Tax Holidays. Is Your State Holding One?

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with two happening this weekend, and many

Topics: free item items sales tax

Galaxy Buds 3 FE leak reveals a surprisingly premium design

Ryan Haines / Android Authority TL;DR A reportedly leaked image shows the Galaxy Buds 3 FE look nearly identical to the Buds 3 Pro The FE model appears to use the Pro’s stemmed design with silicone tips, rather than the open AirPods-style Buds 3. Samsung has yet to confirm specs or a release date, and the leaked image has now been removed from X. Samsung may be working on a more affordable set of Fan Edition wireless earbuds, but you’d be hard-pressed to tell from the design. A newly leaked

Best Home Security Systems in 2025: Protect Your Home and Your Family

SimpliSafe home security systems can be easily tailored to your needs. Just add or subtract hardware and equipment as you please. CNET When choosing a home security system for your home, you may be tempted to start by deciding between a DIY setup or one that is professionally installed and monitored. When you consider the equipment, installation, monitoring options and other features you want, you'll probably reach a DIY-versus-pro system decision along the way. Here are some more parameters to

Quip is a smart clipboard management app for iOS and Mac

Developers of Unite, an app that offers customized web app management on Mac, on Monday released a new app called Quip, a clipboard app for the Apple ecosystem. The app includes features for organizing text clips, support for shortcuts to trigger text snippets, duplicate prevention, and code formatting, among other things. Its goal is to offer users more control and customization compared with the traditional clipboard, making it a more productive alternative. Quip is non-intrusive — on Mac, i

5 Android phones you should buy instead of the Galaxy Z Fold 7

C. Scott Brown / Android Authority The Samsung Galaxy Z Fold 7 doesn’t officially hit store shelves until later this month, but it’s already established itself as one of the most exciting foldable releases of the year. With its impressively thin and light design, larger screens, and better cameras, the Z Fold 7 makes a strong argument for being the folding phone to buy in 2025. Although the US isn’t teeming with foldable handsets the way other markets are, there are still options to choose fro

Spanish police arrest five over $542M crypto investment scheme

Spanish law enforcement arrested five people suspected of running an international cryptocurrency investment fraud scheme that laundered more than €460 million ($542 million) from over 5,000 victims worldwide, according to a statement from Europol. The suspects, based in Madrid and the Canary Islands, allegedly operated a global network of accomplices who collected money through cash deposits, wire transfers and cryptocurrency transactions. According to Spain’s Guardia Civil, the criminal ring

Quadratic forms beyond arithmetic

Quadratic Forms Beyond Arithmetic Alexander Merkurjev Raman Parimala Communicated by Notices Associate Editor Han-Bom Moon 1 . Introduction The concept of quadratic forms can be traced back to ancient civilizations such as the Babylonians and Greeks. The Greeks, particularly Euclid in his famous work Elements, presented geometric methods for solving quadratic equations. The Greeks’ focus on geometry and their methods continued to influence mathematicians for centuries. Rules for quadratic equat

Samsung explains how it made the Galaxy Z Fold 7 so thin

C. Scott Brown / Android Authority TL;DR Samsung has shared more insights into how it made the Galaxy Z Fold 7 its thinnest book-style foldable to date. Redesigning the hinge, display, and camera system allowed for the phone’s ultra-slim profile. The Galaxy Z Fold 7 is Samsung’s thinnest book-style foldable to date, measuring 8.9mm thick when folded and 4.2mm when unfolded. The device has ushered in an era where Samsung’s foldables compete more directly with foldables from competitors like HO

I tested Samsung's Galaxy Z Fold 7, and it became my new favorite foldable (despite the limitations)

Samsung Galaxy Z Fold 7 4.2 / 5 Very good pros and cons Pros Smallest crease on a book-style foldable Slim and light design Premium in-hand feel A more complete AI suite than its rivals Same main camera as Galaxy S25 Ultra Cons Costs $2,000 Sharp hinge corners Slow charging speed Weak 3x telephoto camera $2,000 at Samsung $2,000 at Amazon more buying choices The Galaxy Z Fold 7 is Samsung's biggest design overhaul since the Z Fold 2 in 2020, and it's back with a bang. Over the last three

Quadratic Forms Beyond Arithmetic

Quadratic Forms Beyond Arithmetic Alexander Merkurjev Raman Parimala Communicated by Notices Associate Editor Han-Bom Moon 1 . Introduction The concept of quadratic forms can be traced back to ancient civilizations such as the Babylonians and Greeks. The Greeks, particularly Euclid in his famous work Elements, presented geometric methods for solving quadratic equations. The Greeks’ focus on geometry and their methods continued to influence mathematicians for centuries. Rules for quadratic equat

SIOF (Scheme in One File) – A Minimal R7RS Scheme System

SIOF (Scheme In One File) - A Minimal R7RS Scheme System SIOF is a portable interpreter for the R7RS Scheme programming language. It can be built from a single C source file siof.c; there are no OS- or hardware-specific parts, no compiler-specific tricks, no dependency on platform-specific building tools. There is no distributives or packages: just compile the source file with your favorite C compiler, link it with the standard C runtime libraries and be done with it. For some platforms, precom

Weaving reality or warping it? The personalization trap in AI systems

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now AI represents the greatest cognitive offloading in the history of humanity. We once offloaded memory to writing, arithmetic to calculators and navigation to GPS. Now we are beginning to offload judgment, synthesis and even meaning-making to systems that speak our language, learn our habits and tailor our truths. AI systems are growing incr

Staying cool without refrigerants: Next-generation Peltier cooling

On June 28, Samsung Electronics, together with the Johns Hopkins University Applied Physics Laboratory (APL), published a paper on next-generation Peltier cooling technology in the prestigious scientific journal Nature Communications. The team successfully developed a high-efficiency thin-film semiconductor Peltier device using nano-engineering technology and demonstrated refrigerant-free cooling, highlighting the potential to deliver outstanding performance without conventional refrigerants.

I'm betting against AI agents, despite building them

Everyone says 2025 is the year of AI agents. The headlines are everywhere: "Autonomous AI will transform work," "Agents are the next frontier," "The future is agentic." Meanwhile, I've spent the last year building many different agent systems that actually work in production. And that's exactly why I'm betting against the current hype. I'm not some AI skeptic writing from the sidelines. Over the past year, I've built more than a dozen production agent systems across the entire software developm

Coding with LLMs in the summer of 2025 – an update

antirez 6 hours ago. 31112 views. Frontier LLMs such as Gemini 2.5 PRO, with their vast understanding of many topics and their ability to grasp thousands of lines of code in a few seconds, are able to extend and amplify the programmer capabilities. If you are able to describe problems in a clear way and, if you are able to accept the back and forth needed in order to work with LLMs, you can reach incredible results such as: 1. Eliminating bugs you introduced in your code before it ever hits any

Topics: code coding llm llms work

How to Limit Galaxy AI to On-Device Processing—or Turn It Off Altogether

Artificial intelligence is now more pervasive than ever in the apps and gadgets we use day to day, and that of course extends to smartphones: Google Gemini on Pixels and other Android handsets, Apple Intelligence (currently still rolling out) on iPhones, and Galaxy AI on Samsung smartphones. These tools can help you refine text, generate images, and summarize documents, among other tricks, and you don't have to go far through your apps to find an AI feature ready and willing to help you with so

Why I'm Betting Against AI Agents in 2025 (Despite Building Them)

Everyone says 2025 is the year of AI agents. The headlines are everywhere: "Autonomous AI will transform work," "Agents are the next frontier," "The future is agentic." Meanwhile, I've spent the last year building many different agent systems that actually work in production. And that's exactly why I'm betting against the current hype. I'm not some AI skeptic writing from the sidelines. Over the past year, I've built more than a dozen production agent systems across the entire software developm

Local LLMs versus offline Wikipedia

Two days ago, MIT Technology review published “How to run an LLM on your laptop”. It opens with an anecdote about using offline LLMs in an apocalypse scenario. “‘It’s like having a weird, condensed, faulty version of Wikipedia, so I can help reboot society with the help of my little USB stick,’ [Simon Willison] says.” This made me wonder: how do the sizes of local LLMs compare to the size of offline Wikipedia downloads? I compared some models from the Ollama library to various downloads on Kiw

The best Samsung TVs of 2025: Expert tested for streaming, gaming, and more

Samsung is one of the biggest names in TVs, and the company rolls out some of the best-rated sets every year. More than a dozen new sets are part of its 2025 lineup, bringing stunning sizes, incredible specs, and some of the best picture quality we've ever seen. If you're looking for the best of the best, a budget model, or something in the middle, Samsung has a TV that will fit your needs. What is the best Samsung TV right now? ZDNET staff went hands-on with plenty of Samsung TV models, and o

I avoid using LLMs as a publisher and writer

Now for my more detailed arguments. Reason 1: I don’t want to become cognitively lazy In a recent study by MIT researchers (Your Brain on ChatGPT: Accumulation of Cognitive Debt When Using an AI Assistant for Essay Writing Task) demonstrated using LLMs when writing essays reduces the originality of the resulting work. More notably, when measured using an EEG, LLMs also diminish brain connectivity compared to when participants were allowed to use only their brains or a search engine. People who

Sales Tax Holidays: 17 States Are Holding Tax-Free Back-to-School Shopping Events This Summer. Here's When

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with one starting this weekend, and two m

Topics: free item items sales tax

My Early Time Testing the Galaxy Z Flip 7 Brought a Smashing Surprise

If you're concerned about how durable Samsung's foldable phones are, I'm here to tell you not to worry. And that's especially true when it comes to the new Galaxy Z Flip 7, which holds its own among today's best smartphones. After less than six hours with the Galaxy Z Flip 7, I accidentally performed my own informal drop test. At a catered affair in Brooklyn, I walked outside to get a view of the waterfront, and when I pulled the Z Flip 7 out of my pocket, I fumbled it. I watched helplessly as

Samsung S95F OLED TV Review: Best Picture Quality for 2025

8.9 / 10 SCORE Samsung S95F OLED TV $3,298 at Amazon $3,100 at Samsung $3,298 at B&H Photo-Video Pros Best picture quality I've ever tested Reduces reflections better than other OLED TVs Cons It's expensive Not as bright as the LG G5 in some cases OLED, or organic light-emitting diode, is a display technology used in everything from iPhones to gaming monitors to high-end TVs. It's good and getting even better. In 2025, two OLED TVs stand out -- Samsung's S95F and the LG G5. The LG G5 may be

Topics: g5 lg s95f samsung tv

Here’s how to save on a Samsung Galaxy Z Fold 7 preorder

is an editor covering deals and commerce. He joined in 2018, and covers gaming, PCs, accessories, and more. The forthcoming Galaxy Z Fold 7 is Samsung’s thinnest foldable yet. Our own Allison Johnson just published her full review ahead of the phone’s launch on July 25th, and while there’s certainly no denying it’s a spendy device, know that various carriers and retailers are offering a host of preorder incentives, many of which will expire at launch. Although the Z Fold 7 isn’t miles ahead of

After six years, it’s finally time for me to switch back to a Pixel

C. Scott Brown / Android Authority In my five years working as an Android journalist, I’ve been known as the Samsung guy. That’s been an accurate description, but it may surprise you to learn that I used to be a Nexus/Pixel fanatic, using every Google flagship from the Nexus 6 to the Pixel 3XL. That changed toward the start of 2019, when I became tired of how unreliable Pixels were for me in a few areas and started to use Samsung phones exclusively. Recently, I got to spend a month with the Pi

UFC 318: Holloway vs. Poirier 3 -- Everything to Know to Watch via Livestream

Max Holloway and Dustin Poirier go toe-to-toe for a third time on Saturday, with their eagerly awaited lightweight bout the headline act at UFC 318 in New Orleans. Below, we'll outline the best live TV streaming services to use to watch all of today's UFC 318 bill as it happens, wherever you are in the world, and how to use a VPN if it's not available where you are. Commonly regarded as the best fighter to never win an undisputed title, Louisiana native Poirier is set to bring the curtain down

Samsung Fold 7 and Flip 7 replacement screen pricing makes a strong case for getting Care Plus

C. Scott Brown / Android Authority TL;DR Samsung Galaxy Z Fold 7 screen replacements will reportedly cost as much as $885 for the inner panel. While the Flip 7’s inner screen is much more affordable, even that will run nearly $400. Despite not even folding, the Fold 7’s exterior screen could cost a staggering $610 to repace. Smartphones today are at their most expensive, and while you can find plenty of very affordable options out there when it comes to traditional handsets, it’s the foldabl

Sales Tax Holidays: Tax-Free Back-to-School Shopping Events Kick Off This Weekend

State sales tax holidays usually run for one weekend, though some states offer longer exemptions. Tharon Green/CNET If you haven't already started buying back-to-school essentials, shopping during a sales tax holiday can offer some extra savings. These tax-free shopping events typically center on back-to-school items, offering discounts on clothing, school supplies, laptops and athletic gear. This year, 17 states are participating in a tax-free event, with one starting this weekend, and two m

Topics: free item items sales tax

Samsung’s top mid-ranger has finally arrived in the US after months of waiting

Paul Jones / Android Authority TL;DR After initially launching outside of the US, the Galaxy A56 5G is now available to order. The mid-ranger includes features like Circle to Search, Best Face, Auto Trim, and more. It’s available on Samsung’s website in Awesome Graphite or Awesome Lightgray. When Samsung launched this year’s A-series phones, the US got the Galaxy A26 5G and Galaxy A36 5G. Although the Galaxy A56 5G launched outside of the US, Samsung confirmed that the mid-ranger would come