
Hi HN! I made Beatsync, an open-source browser-based audio player that syncs audio with millisecond-level accuracy across many devices.
Try it live right now: https://www.beatsync.gg/
The idea is that with no additional hardware, you can turn any group of devices into a full surround sound system. MacBook speakers are particularly good.
Inspired by Network Time Protocol (NTP), I do clock synchronization over websockets and use the W

Article URL: https://arxiv.org/abs/2504.18980
Comments URL: https://news.ycombinator.com/item?id=43835623
Points: 4
# Comments: 0
![We Figured Out How AI Overviews Work [& Built A Tool To Prove It] via @sejournal, @mktbrew](https://www.cdn5.niftycent.com/d/k/l/7/0/X/j/we-figured-out-how-ai-overviews-work-built-a-tool-to-prove-it-via-atsejournal-atmktbrew.webp)
Unlock the secrets of AI Overviews and realign your SEO strategy for improved visibility and relevance on Google.
The post We Figured Out How AI Overviews Work [& Built A Tool To Prove It] appeared first on Search Engine Journal.
https://www.searchenginejournal.com/how-ai-overviews-work-marketbrew-spa/544599/

Starting in the gym, but don't know where to start? Here are the benefits and drawbacks of two popular workout strategies. https://www.cnet.com/health/fitness/workout-splits-or-full-body-workouts-how-to-find-whats-best-for-you/#ftag=CADf328eec

A frantic fight against man and machine, ARC Raiders separates itself from the usual genre fare. https://www.cnet.com/tech/gaming/arc-raiders-hands-on-preview-an-extraction-shooter-built-for-a-more-casual-audience/#ftag=CADf328eec

Eat to boost your eye health by adding these foods to your diet. https://www.cnet.com/health/personal-care/best-food-for-eye-health/#ftag=CADf328eec

Florence Pugh and David Harbour shine in the newest entry in Phase Five. https://www.cnet.com/tech/services-and-software/thunderbolts-review-welp-marvel-went-and-made-a-more-enjoyable-suicide-squad/#ftag=CADf328eec

Commentary: Rather than going it alone, Motorola's using several AI efforts together. The approach might help us figure out what we really want AI to do on phones. https://www.cnet.com/tech/mobile/motorola-took-a-swiss-army-knife-approach-with-ai-and-it-makes-my-head-spin/#ftag=CADf328eec

These anti-aging supplements are gaining popularity, but you should know their benefits, side effects and risk factors before taking them. https://www.cnet.com/health/nutrition/nad-supplements/#ftag=CADf328eec

Your recession action plan doesn’t have to be complicated. https://www.cnet.com/personal-finance/banking/worried-about-a-recession-6-money-moves-experts-say-to-make-asap/#ftag=CADf328eec

Supplemental Security Income recipients will receive two payments in May. We'll break down why this happens and when you can expect your second payment to come through. https://www.cnet.com/personal-finance/ssi-may-2025-payment-schedule-youre-getting-paid-twice-this-month-heres-why/#ftag=CADf328eec

The app is a ChatGPT competitor and a sign of where glasses of the future are headed. https://www.cnet.com/tech/services-and-software/metas-new-ai-app-for-phones-is-also-its-hub-for-glasses/#ftag=CADf328eec

LG stopped creating new smartphones in 2021, so if you have an old LG phone, you'll need to update it soon. https://www.cnet.com/tech/mobile/update-your-lg-smartphone-now-in-2-months-you-wont-be-able-to/#ftag=CADf328eec

The hardware deal is not available in all service areas, and a $100 demand surcharge may apply. https://www.cnet.com/home/internet/starlink-giving-away-residential-kit-worth-349-for-free-but-there-are-some-catches/#ftag=CADf328eec

The White House said Amazon would be considered a "hostile and political act" if it listed tariff prices next to products. But the company denies any plans to do so. https://www.cnet.com/tech/services-and-software/sorry-shoppers-amazon-says-tariff-cost-feature-is-not-going-to-happen/#ftag=CADf328eec
We spent 30 nights sleeping on the Saatva Classic Mattress, and here's how it went down. https://www.cnet.com/health/sleep/30-days-with-the-saatva-classic-mattress--how-2-very-different-sleepers-found-the-experience/#ftag=CADf328eec

More employers are planning on going "AI first." The results, and opinions about the changes, are mixed. https://www.cnet.com/tech/services-and-software/shopify-duolingo-workers-face-a-new-gen-ai-reality-at-work-is-your-job-next/#ftag=CADf328eec

Feeling anxious and experiencing chest pains is more common than you might think. But thankfully, there are a few things you can do to improve matters https://www.cnet.com/health/mental/ease-anxiety-related-chest-pains-with-these-tried-and-tested-tips/#ftag=CADf328eec

An at-a-glance rundown of your options, so you don't end up with the wrong fan (or fan-purifier, or fan-purifier-heater) for your needs.
https://www.techradar.com/home/air-quality/dyson-fan-range-guide

These three movies are highly-rated by critics but you'll have to be quick to stream them because they leave Prime Video soon.

A workaround and a patch are already available but many firms have already been breached.

FAVM’s FA-EX9 is a compact Ryzen 395 workstation PC with 128GB of RAM, built for AI professionals.

Amazon Gaming Week offers a great bargain on the Asus ROG Strix 16 gaming laptop.

I’m high-fiving FromSoftware for its budget-friendly spec requirements for Elden Ring Nightreign, and other developers are put on notice.
https://www.laptopmag.com/laptops/gaming-laptops-pcs/elden-ring-nightreign-pc-requirement-gpu-

Reversing the frequent trend of game delays, Borderlands 4 is launching early on September 12, 2025.
https://www.windowscentral.com/gaming/borderlands-4-release-date-moves-up-september-2025

Select AMD Ryzen 7000 and 9000 CPUs are up to 35% off at Amazon during gaming week, and I'm seeing some of the lowest prices ever.
https://www.windowscentral.com/hardware/cpu-gpu-components/amazon-gaming-week-amd-ryzen-deals

Far be it from me to engage in a little schadenfreude… Actually, no. I really enjoy telling you about this one, as someone who needed a new graphics card at the tail end of the pandemic. Reports indicate that mining for Bitcoins (i.e., trying to turn electricity and math into money) is no longer profitable. Cry me a freakin’ river.
This is a complicated sto

During the first quarter of 2025, the total number of DDoS attacks increased by 198 percent compared to the last quarter of 2024 and by 358 percent compared to the same quarter last year, according to a new repor

One of the best ways to sync your smart lights with the images on your TV is with Philips Hue’s light-syncing but loftily priced HDMI box. Looking spend less? Look no further than Philips Hue’s sibling brand, which just unveiled its own cheaper alternative.
Signify-owned WiZ Connected has just announced the WiZ HDMI Sync Box with TV Backlight, which—simila

Today, Mozilla has released version 138 of its popular Firefox web browser for Windows, macOS, and Linux. The biggest draw of this update is the profile manager feature that makes it easier to separate work, play, and everything else. With separate user profiles, you’ll be able to have separate b

Roku is best known for its streaming boxes and sticks, but it also offers free TV entertainment on its Roku Channel, including live linear TV and some original movies, and you don’t need to have Roku’s hardware—or a Roku TV—to watch it. We’ll show you all the ways you can enjoy the bounty.
You can access the Roku Channel via a web browser or via Roku’s mobi

Intel said Tuesday that the company’s Arizona fab has run the first lots of the company’s Intel 18A wafers, the manufacturing technology powering its Panther Lake chips, while announcing a high-performance derivative process. Intel also offered a sneak peek at its 14A process, the next-generation manufacturing technology, which will include “turbo cells” for faster c

Intel's new CEO Lip Bu-Tan took to the stage at the company's Intel Foundry Direct 2025 event here in San Jose, California to outline the company's progress on its foundry initiative.

Silverstone new Hela 2500Rz flagship PSU comes with quad 16-pin 12V-2x6 power connectors, and more than enough power to run four (or more) graphics cards simultaneously.

The open-source Windows alternative ReactOS now has support for 3dfx's Voodoo5 GPU family, with Unreal (1998) successfully tested.

These are the most innovative products of the last year.
https://www.tomshardware.com/pc-components/toms-hardware-innovation-awards-2025


The ground has just shifted for anyone trying to figure out the exact release date for Grand Theft Auto 6 as 2K has altered plans for another game in its stable, Borderlands 4. The latest entry in Gearbox's series will arrive 11 days earlier than previously announced as it will debut on September 12.
After teasing a delay, Gearbox

If you want to upgrade your video call setup without buying an external webcam, your iPhone can help. With macOS Ventura or later, Apple’s Continuity Camera feature allows users to turn their iPhone into a high-quality, wireless webcam for Mac. Whether you’re joining a meeting on Zoom, recording a presentation or creating content for YouTube, using your iPhone as a webcam can provide a sharper image, better low-light performance and useful extras like Center Stage and Desk View. Here’s how to

Meta didn't wait for Tuesday's LlamaCon keynote to unveil its first big AI announcement of the week. The company launched a standalone app

Meta is releasing a new tool it hopes will encourage developers to use its family of Llama models for their next project. At its inaugural LlamaCon event in Menlo Park on Tuesday, the company announced the Llama API. Available as a limited free preview starting today, the tool gives developers a place to experiment with Meta's
Article URL: https://pyrefly.org/
Comments URL: https://news.ycombinator.com/item?id=43831524
Points: 76
# Comments: 43


Article URL: https://purplesyringa.moe/blog/why-performance-optimization-is-hard-work/
Comments URL: https://news.ycombinator.com/item?id=43831705
Points: 105
# Comments: 26
https://purplesyringa.moe/blog/why-performance-optimization-is-hard-work/

Article URL: https://github.com/arkflow-rs/arkflow
Comments URL: https://news.ycombinator.com/item?id=43833310
Points: 67
# Comments: 12
Article URL: https://blog.mozilla.org/en/firefox/tab-groups-community/
Comments URL: https://news.ycombinator.com/item?id=43834101
Points: 136
# Comments: 106
Article URL: https://sampatt.com/blog/2025-04-28-can-o3-beat-a-geoguessr-master
Comments URL: https://news.ycombinator.com/item?id=43835044
Points: 14
# Comments: 2
https://sampatt.com/blog/2025-04-28-can-o3-beat-a-geoguessr-master


When Donald Trump returned to the White House in 2025, many in the tech world hoped his promises to champion artificial intelligence and cut regulation would outweigh the risks of his famously volatile trade policies. But less than 100 days into his new term, it’s clear that Trump’s aggressive tariffs—and the global response to them—could pose a major threat to the

Brad Frost is running this new little podcast called Open Up. Folks write in with questions about the “other” side of web design and front-end development — not so much about tools and best practices as it is about …
Open Up With Brad Frost, Episode 2 originally published on

From setting timers to controlling your smart home, here's how Amazon's voice assistant has evolved with new features to make your life easier this spring season. https://www.cnet.com/home/smart-home/ultimate-alexa-guide-200-commands-to-master-amazon-echo-and-new-alexa-plus/#ftag=CADf328eec

AirDrop doesn't always work. Luckily, there's an even faster way to send particularly large videos between your phone and computer. https://www.cnet.com/tech/computing/how-to-transfer-really-large-videos-from-your-iphone-to-your-mac-without-using-airdrop/#ftag=CADf328eec

CNET shares the most common (and avoidable) mistakes people make when setting up equipment. But don't worry, there's an easy fix. https://www.cnet.com/home/internet/two-technicians-reveal-5-worst-places-to-put-your-wi-fi-router/#ftag=CADf328eec

Enjoy ultra-HD detail that takes full advantage of big screens for the ultimate home theater. These are some of the best projectors I've ever tested. https://www.cnet.com/tech/home-entertainment/best-4k-projector-for-2025-tested-and-reviewed-by-experts/#ftag=CADf328eec

The deal isn't available in all service areas, and a $100 demand surcharge may apply. https://www.cnet.com/tech/services-and-software/starlink-giving-away-residential-kit-worth-349-for-free-but-there-are-some-catches/#ftag=CADf328eec

Here's everything you need to know to watch or stream the NBA playoffs without cable. https://www.cnet.com/tech/services-and-software/nba-playoffs-2025-tv-schedule-current-series-standings-how-to-watch-todays-games/#ftag=CADf328eec

Scare yourself with these picks. https://www.cnet.com/tech/services-and-software/the-absolute-best-horror-movies-on-hulu-april-2025/#ftag=CADf328eec

Amazon's big annual sales event for Prime members could be dampened by price hikes on imported goods. What to look for. https://www.cnet.com/tech/amazon-prime-day-is-coming-back-in-july-with-tariffs-looming-large/#ftag=CADf328eec

Don’t know what the Copilot app does in Windows 11? Microsoft might be aiming to clear up any confusion that newbies have regarding the AI.

Spotify has quietly added a new solution to disabling one of its most annoying features. This is how you can disable Smart Shuffle.

Looking for NYT Strands answers and hints? Here's all you need to know to solve today's game, including the spangram.
https://www.techradar.com/computing/websites-apps/nyt-strands-today-answers-hints-30-april-2025

Looking for NYT Connections answers and hints? Here's all you need to know to solve today's game, plus my commentary on the puzzles.
https://www.techradar.com/gaming/nyt-connections-today-answers-hints-30-april-2025

Looking for Quordle clues? We can help. Plus get the answers to Quordle today and past solutions.
https://www.techradar.com/computing/websites-apps/quordle-today-answers-clues-30-april-2025

Generative AI isn't actually saving workers that much time, plus it could be adding to some workloads.

Three more shows similar to The Last of Us to stream on Max that are as contagious as cordyceps.

The retailer hasn't confirmed the news yet, but the media are citing people familiar with the matter.


The company lost sensitive data, including Social Security numbers.

These very light open earbuds have long battery life and some clever features

Garmin's Fenix 8 could soon feature LTE support.

The winning bid will enter into a 15-year contract with HMRC worth £1 billion, and SMEs are being encouraged to apply.
https://www.techradar.com/pro/hmrc-launches-gbp1-billion-bid-for-new-crm-system

DJI's next Mini series drone, the Mini 5, will likely be a best-seller – here are the upgrades I'm hoping for

It's no surprise to see Nvidia's RTX 5090 and RTX 5080 highly sought after, and this move from Japanese retailers is a prime example.

ChatGPT just got a big search and WhatsApp upgrade.

Searching for the perfect mother's day gift? Snag one on sale with these AirPods deals
https://www.laptopmag.com/headphones/3-airpods-deals-april-2025-mothers-day

The latest YouTube update brings clearer video separation and a dedicated podcasts tab to the TV app for consoles and Smart TVs.

Multiple users have raised concerns about ChatGPT's new update, citing sycophant-y tendencies. Even OpenAI CEO Sam Altman admitted that the model had become “too annoying.”
https://www.windowscentral.com/software-apps/openai-sam-altman-admits-chatgpt-glazes-too-much

Amazon's Gaming Week is home to countless awesome deals on accessories and hardware, but competing retailers have better prices on these select items.
https://www.windowscentral.com/hardware/gaming-week-anti-amazon-deals

If you’re ready to upgrade your PC experience while gaming or working, we have just the deal for you. The LG UltraGear 32GS95UE is a 32-inch 4K OLED monitor with great specs, and right now it’s on sale for $997 at Amazon and

Buying toilet paper got ugly during the early part of COVID—between panic buying and hoarding, shelves were often empty. Due to tariffs, we may soon see similar scarcity for a bigger range of products, and that could include tech gear like PCs. Recently, the biggest port in the U.S. said that by next week, arriving shipments will have declined by 35 percent… and that

When it comes to versatile tech, microSD cards are certainly near the top of the list. You can use these with just about anything, from smartphones to cameras to drones to handheld gaming consoles. It’s good news then that the 512GB Samsung PRO Plus card is now just $30 on Amazon

The Trump administration’s unprecedented import taxes are weighing heavily on US businesses and consumers, and nowhere more heavily than in the computer industry. The team over at Gamers Nexus publ

Dell frequently has the best monitor deals of any major brand, and that extends to its Alienware gaming division—an easy recommendation if you’re looking for an OLED upgrade. Its two previous 34-inch ultrawide models were already bargains (for OLEDs, anyway), but the newest one is even cheaper and faster… and it’s on sale starting today.

For some years now, smartphones have had a built-in feature that protects against unauthorized access via USB. In iOS and Android, you get pop-ups that ask for confirmation when a data USB connection is established before you can actually start transferring data.
However, this guard against “juice jacking”—a hacking method in which charging stations are man

Earlier this month, we heard rumblings that Google had plans to launch a more child-friendly version of its AI chatbot Gemini, and now 9to5Google reports that the tech giant has confirmed in an email to parents that the kids’ version of Gemini is officially in t

User thriftiness with system resources backfired, for a while.

Alienware's new AW3425DW gaming monitor boasts a 240 Hz 34-inch QD-OLED panel and an $800 price tag

Trump administration angered by Amazon tariff transparency price labeling leak.