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AMD's Pre-Zen Interconnect: Testing Trinity's Northbridge

news.ycombinator.com Chester Lam 2025-09-14 03:07:23

Today, AMD’s Infinity Fabric interconnect is ubiquitous across the company’s lineup. Infinity Fabric provides well-defined interfaces to a transport layer, and lets different functional blocks treat the interconnect as a black box. The system worked well enough to let AMD create integrated GPU products all the way from the Steam Deck’s tiny van Gogh APU, to giant systems packing four MI300A chips. Across all those offerings, Infinity Fabric enables coherent memory access as CPU and GPU requests

Topics: amd cpu gpu memory trinity

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Finland warms up the world's largest sand battery, the economics look appealing

news.ycombinator.com Tim De Chant 2025-09-16 23:03:51

It doesn’t look like much, but Finland recently flipped the switch on the world’s largest sand-based battery. Yes, sand. A sand battery is a type of thermal energy storage system that uses sand or crushed rock to store heat. Electricity — typically from renewable sources — is used to heat the sand. That stored heat can later be used for various ends, including to warm buildings. The economics are compelling, and it’s hard to get any cheaper than the crushed soapstone now housed inside an insu

Topics: battery electricity heat sand town

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Finland warms up the world’s largest sand battery, and the economics look appealing

techcrunch.com Tim De Chant 2025-09-17 09:54:29

It doesn’t look like much, but Finland recently flipped the switch on the world’s largest sand-based battery. Yes, sand. A sand battery is a type of thermal energy storage system that uses sand or crushed rock to store heat. Electricity — typically from renewable sources — is used to heat the sand. That stored heat can later be used for various ends, including to warm buildings. The economics are compelling, and it’s hard to get any cheaper than the crushed soapstone now housed inside an insu

Topics: battery electricity heat sand town

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Show HN: Chawan TUI web browser

news.ycombinator.com Unknown 2025-09-17 13:48:43

Version 0.2.0 of the Chawan TUI browser has been released. A tarball of the source tree is available here. Please refer to the README file for compilation instructions. A static binary distribution for amd64 Linux also exists. To install it, extract the archive somewhere and run make install as root. (To uninstall, run make uninstall .) The same distribution is also available as a .deb package. ## Information for package maintainers The current list of mandatory runtime dependencies is: li

Topics: distribution longer make run version

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7 Best Electric Toothbrushes, Tested For Two Weeks Each (2025)

wired.com Boutayna Chokrane 2025-09-17 21:37:00

Honorable Mentions There are far more electric toothbrushes than we can recommend in a single guide. If none of the above options appeal to you, one of these might do the trick. Photograph: Oclean Oclean X Ultra S Electric Toothbrush for $130: Oclean makes great electric toothbrushes that clean well without vibrating your brain around. They're a bit pricey, but if you or your kid would benefit from a voice assistant telling you that you're brushing too fast or applying too much pressure, this

Topics: brush electric heads toothbrush toothbrushes

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Ford’s new modified Mustang Mach-E is ready to fly up Pikes Peak

theverge.com Andrew J. Hawkins 2025-09-18 01:00:00

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. The Pikes Peak International Hill Climb is a racing event that’s been going on since 1916. It’s a 12.42-mile run that climbs 4,720 feet and serves as a proving ground for carmakers to test the speed and agility of their new vehicles. Electric cars tend to do well in the Pikes Peak race; they don’t have to deal with the pro

Topics: electric ford mach mustang super

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OpenTelemetry for Go: Measuring overhead costs

news.ycombinator.com Nikolay Sivko 2025-09-18 04:09:17

Everything comes at a cost — and observability is no exception. When we add metrics, logging, or distributed tracing to our applications, it helps us understand what’s going on with performance and key UX metrics like success rate and latency. But what’s the cost? I’m not talking about the price of observability tools here, I mean the instrumentation overhead. If an application logs or traces everything it does, that’s bound to slow it down or at least increase resource consumption. Of course,

Topics: app http metrics opentelemetry redis

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Scientists in Antarctica Detect Deep-Earth Signals That Defy Known Physics

gizmodo.com Ellyn Lapointe 2025-09-18 05:35:49

A balloon-borne experiment over Antarctica, designed to detect cosmic radio waves, has instead picked up bizarre signals that appear to be coming from deep within the ice. These signals challenge our current understanding of particle physics, scientists say. The Antarctic Impulsive Transient Antenna (ANITA) experiment consists of radio antennas flown on NASA balloons 19 to 24 miles (30 to 39 kilometers) over the surface of Antarctica. In recent years, the detector has recorded radio pulses that

Topics: anita ice neutrinos radio signals

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How the first electric grid was built

news.ycombinator.com Alex Chalmers 2025-09-18 08:34:03

The Linear No Threshold model says that there is no safe level of radiation exposure. There is overwhelming evidence it is false, yet it inspires the ALARA principle, which makes nuclear power unaffordable worldwide. Read the lead article from Issue 19 of Works in Progress. We’re hosting a Stripe Press pop-up coffee shop and bookstore on Saturday, June 28, in Washington, DC. RSVP here if you can make it. In 1883, Sir Coutts Lindsay, owner of the Grosvenor Art Gallery in Bond Street, decided th

Topics: electricity generation grid local power

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Scientists Discover Bizarre Signals Coming From Ice in Antarctica

futurism.com Unknown 2025-09-19 01:15:42

Some strange radio signals are broadcasting out of Antarctic ice, and the researchers who found them don't know why. Using a cosmic particle detector, researchers at the University of Pennsylvania detected peculiar signals that, according to a press release, "defy the current understanding of particle physics." The particle detector that found those strange signals — which is, charmingly, suspended from a bunch of balloons — belongs to a range of instruments known as the Antarctic Impulsive Tr

Topics: anita don neutrinos particle wissel

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SIMD-friendly algorithms for substring searching (2016)

news.ycombinator.com Wojciech Muła 2025-09-17 18:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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CI/CD Observability with OpenTelemetry Step by Step Guide

news.ycombinator.com Unknown 2025-09-15 03:42:50

In the fast-paced world of CI/CD, understanding the performance and behaviour of your pipelines is crucial. GitHub Actions has become a popular choice for automating builds and deployments, but anyone who's debugged a flaky workflow or long-running job knows how challenging it can be to get visibility into what's happening under the hood. We usually rely on build logs, timing data, or guesswork when something goes wrong. Wouldn't it be nice to trace a pipeline run step-by-step, or have metrics o

Topics: collector github metrics receiver traces

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How the Final Cartridge III Freezer Works

news.ycombinator.com Michael Steil 2025-09-18 17:57:22

by Daniël Mantione Daniël contributed the commented disassembly of the FC3 freezer functionality to the reverse engineering effort at github.com/mist64/final_cartridge. Thanks to Eric Schlaepfer for his input on 6502 timing. Freezer cartridge theory One key reason why the Commodore 64 was so successful in the 80s was that it was able to do things it wasn’t designed for. Freezer cartridges, which allowed stopping any running program or game, applying cheat codes and resuming, or saving the com

Topics: c64 cartridge freezer memory mode

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The World Birth Rate Is Now Dropping Precipitously

futurism.com Unknown 2025-09-18 18:15:12

Image by Getty / Futurism Studies Whoever wrote in the Book of Genesis "be fruitful and multiply" never accounted for the cost of children these days, especially when you factor in expenses like college tuition, sports, tutors, clothes and childcare. And that's one of the reasons why people are having less kids, according to new reporting from the BBC. A new paper from the United Nations Population Fund (UNFPA) has revealed that one in five adults in 14 countries don't have, or think they won

Topics: children countries fertility people world

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SIMD-friendly algorithms for substring searching (2018)

news.ycombinator.com Wojciech Muła 2025-09-18 09:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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Shaping Light – Volumetric Lighting

news.ycombinator.com Unknown 2025-09-15 00:56:03

As I became more familiar with post-processing over the past few months, I was curious to push those newly learned techniques beyond pure stylization to achieve something more functional. I wanted to find new ways to enrich my 3D work which wouldn't be possible without leveraging effects and passes alongside custom shaders. As it turns out, post-processing is great entrypoint to enhance a 3D scene with atmospheric and lighting effects, allowing for more realistic and dramatic visuals. Because t

Topics: float light scene space volumetric

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SIMD-friendly algorithms for substring searching

news.ycombinator.com Wojciech Muła 2025-09-18 19:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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Anker SOLIX EverFrost 2 40L electric cooler drops to its all-time low price

androidauthority.com Unknown 2025-09-19 05:59:36

Edgar Cervantes / Android Authority I have actually been using the Anker SOLIX EverFrost 2 40L electric cooler for some time, and I love it. I know it’s a bit pricey, but discounts come from time to time. Right now, you can get it for its record-low price, saving you $200. Buy the Anker SOLIX EverFrost 2 40L electric cooler for just $699.99 ($200 off) This offer is available from Amazon. It is a “limited time deal,” which means the deal should end relatively soon. This also makes it an automat

Topics: cooler deal electric freezer time

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The fastest way to detect a vowel in a string

news.ycombinator.com Austin Z. Henley 2025-09-19 21:04:07

Austin Z. Henley Associate Teaching Professor Carnegie Mellon University [email protected] @austinzhenley github/AZHenley The fastest way to detect a vowel in a string 6/13/2025 I was nerdsniped recently: What is the best way to detect if a string has a vowel in it? This is trivial, right? But as I started getting into it, I realized there is much more to this. I challenged myself to come up with as many ways to detect a vowel as possible. I even asked a few friends to give it a go. Whi

Topics: length method regex return string

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When random people give money to random other people (2017)

news.ycombinator.com Unknown 2025-09-20 05:49:46

A post on Decision Science about a problem of Uri Wilensky‘s has been making the rounds: Imagine a room full of 100 people with 100 dollars each. With every tick of the clock, every person with money gives a dollar to one randomly chosen other person. After some time progresses, how will the money be distributed? People often expect the distribution to be close to uniform. But this isn’t right; the simulations in the post show clearly that inequality of wealth rapidly appears and then persists

Topics: distribution graph money person random

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Trump Wants to Kill California’s Emissions Standards. Here’s What That Means for EVs

wired.com Aarian Marshall 2025-09-20 09:00:00

This week the White House and President Donald Trump attempted to kill, once and for all, California's plan to accelerate the sale of zero-emission cars and trucks in the state. In a ceremony in Washington, DC, on Thursday attended by trucking executives, Trump signed three resolutions passed by Congress aimed at revoking California’s nearly 60-year-old power to set its own motor vehicle emissions rules. In doing so, the federal government is taking aim at one of the most ambitious vehicle elec

Topics: california electric state vehicle vehicles

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I found a Linux distro that combines the best parts of other operating systems (and it works)

zdnet.com Jack Wallen 2025-09-20 13:22:00

Jack Wallen/ZDNET There are so many Linux distributions on the market, and they range from the command line only all the way to functioning works of art. The majority of distros fall somewhere in the middle, of course, and that's perfectly fine because most users prefer a blend of aesthetics and functionality. That's why the likes of Linux Mint, ZorinOS, elementaryOS, and Ubuntu are so popular. But every once in a while, a team releases an update to its distribution that reminds you that Linux

Topics: bluestar desktop distribution linux operating

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Inside a Dark Adtech Empire Fed by Fake CAPTCHAs

krebsonsecurity.com Unknown 2025-09-21 13:14:00

Late last year, security researchers made a startling discovery: Kremlin-backed disinformation campaigns were bypassing moderation on social media platforms by leveraging the same malicious advertising technology that powers a sprawling ecosystem of online hucksters and website hackers. A new report on the fallout from that investigation finds this dark ad tech industry is far more resilient and incestuous than previously known. In November 2024, researchers at the security firm Qurium publishe

Topics: lospollos notifications qurium traffic vextrio

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The Verge’s 2025 Father’s Day gift guide

theverge.com Cameron Faulkner 2025-09-21 17:10:54

is an editor covering deals and commerce. He joined in 2018, and served as commerce editor at Polygon until May 2025. Father’s Day rules. It’s a day to celebrate all that dads have contributed to the people, homes, and communities that they’re a part of. Being a dad is a lot of work — something I can vouch for, being a relatively new one myself — so for Father’s Day, why not give dear old dad a token of appreciation and love? Whether your dad prefers practical or clever gifts, we think you’ll b

Topics: commerce contributed dad day father

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Password-spraying attacks target 80,000 Microsoft Entra ID accounts

bleepingcomputer.com Unknown 2025-09-22 21:40:25

Hackers have been using the TeamFiltration pentesting framework to target more than 80,000 Microsoft Entra ID accounts at hundreds of organizations worldwide. The campaign started last December and has successfully hijacked multiple accounts, say researchers at cybersecurity company Proofpoint, who attribute the activity to a threat actor called UNK_SneakyStrike. According to the researchers, the peak of the campaign happened on January 8, when it targeted 16,500 accounts in a single day. Such

Topics: accounts proofpoint researchers teamfiltration unk_sneakystrike

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Pentagon Has Been Pushing Americans to Believe in UFOs for Decades, New Report

news.ycombinator.com Lucas Ropek 2025-09-23 12:43:10

UFOs have been back in the news a lot lately, and it may be the case that the government wants it that way. Last week, the Wall Street Journal published the first of a two-part series that probes the ways in which the Defense Department has been responsible for creating and fostering the UFO mythology in America. The article shows that the government has, at various points over the years, purposefully sown disinformation about UFOs, in an effort to make Americans believe in little green men. Th

Topics: government journal kirkpatrick nuclear ufo

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‘Generative AI helps us bend time’: CrowdStrike, Nvidia embed real-time LLM defense, changing how enterprises secure AI

venturebeat.com Louis Columbus 2025-09-23 10:39:08

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Generative AI adoption has surged by 187% over the past two years. But at the same time, enterprise security investments focused specifically on AI risks have grown by only 43%, creating a significant gap in preparedness as AI attack surfaces rapidly expand. More than 70% of enterprises experienced at least one AI-related breach in the pa

Topics: ai crowdstrike falcon nvidia security

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I replaced every emulator on my phone with this $50 gaming handheld and I don’t regret it one bit

androidauthority.com Unknown 2025-09-22 22:14:35

TrimUI Smart Pro The TrimUI Smart Pro is a fantastic 16:9 handheld that can reach below $50 on sale. It can handle everything up to the PS/N64, and you'll have to pay double for anything better. As someone who grew up playing retro games, I was over the moon when I first found out I could install emulators on my Android phone years ago. What could possibly be better than playing the classics on the same device I use dozens of times a day for every other task? Well, it turns out that a smooth r

Topics: android device games gaming trimui

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Pentagon Has Been Pushing Americans to Believe in UFOs for Decades, New Report Finds

gizmodo.com Lucas Ropek 2025-09-23 15:00:26

UFOs have been back in the news a lot lately, and it may be the case that the government wants it that way. Last week, the Wall Street Journal published the first of a two-part series that probes the ways in which the Defense Department has been responsible for creating and fostering the UFO mythology in America. The article shows that the government has, at various points over the years, purposefully sown disinformation about UFOs, in an effort to make Americans believe in little green men. Th

Topics: government journal kirkpatrick nuclear ufo

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Disney and Universal sue Midjourney, alleging AI-related copyright infringement

techcrunch.com Kyle Wiggers 2025-09-23 11:34:39

In Brief Disney and Universal have sued generative AI platform Midjourney for allegedly training its art-generating and -editing models on their content without permission. Disney and Universal filed a lawsuit Wednesday claiming that Midjourney ignored their earlier requests to cease violating their intellectual property rights, according to The Wall Street Journal. The suit, filed in the U.S. District Court for the Central District of California, includes dozens of examples of images generate

Topics: ai disney district generative midjourney

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Latest Tech News

AMD's Pre-Zen Interconnect: Testing Trinity's Northbridge

Finland warms up the world's largest sand battery, the economics look appealing

Finland warms up the world’s largest sand battery, and the economics look appealing

Show HN: Chawan TUI web browser

7 Best Electric Toothbrushes, Tested For Two Weeks Each (2025)

Ford’s new modified Mustang Mach-E is ready to fly up Pikes Peak

OpenTelemetry for Go: Measuring overhead costs

Scientists in Antarctica Detect Deep-Earth Signals That Defy Known Physics

How the first electric grid was built

Scientists Discover Bizarre Signals Coming From Ice in Antarctica

SIMD-friendly algorithms for substring searching (2016)

CI/CD Observability with OpenTelemetry Step by Step Guide

How the Final Cartridge III Freezer Works

The World Birth Rate Is Now Dropping Precipitously

SIMD-friendly algorithms for substring searching (2018)

Shaping Light – Volumetric Lighting

SIMD-friendly algorithms for substring searching

Anker SOLIX EverFrost 2 40L electric cooler drops to its all-time low price

The fastest way to detect a vowel in a string

When random people give money to random other people (2017)

Trump Wants to Kill California’s Emissions Standards. Here’s What That Means for EVs

I found a Linux distro that combines the best parts of other operating systems (and it works)

Inside a Dark Adtech Empire Fed by Fake CAPTCHAs

The Verge’s 2025 Father’s Day gift guide

Password-spraying attacks target 80,000 Microsoft Entra ID accounts

Pentagon Has Been Pushing Americans to Believe in UFOs for Decades, New Report

‘Generative AI helps us bend time’: CrowdStrike, Nvidia embed real-time LLM defense, changing how enterprises secure AI

I replaced every emulator on my phone with this $50 gaming handheld and I don’t regret it one bit

Pentagon Has Been Pushing Americans to Believe in UFOs for Decades, New Report Finds

Disney and Universal sue Midjourney, alleging AI-related copyright infringement

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