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Finnish City Inaugurates 1 MW/100 MWh Sand Battery

news.ycombinator.com Steve Hanley 2025-12-02 00:00:47

Support CleanTechnica's work through a Substack subscription or on Stripe There are more ways to store energy than just using batteries. Some are using fire bricks, particularly for process heat for industries that rely on high heat in manufacturing. Others propose an arrangement of massive concrete blocks that move up and down like the weights of a giant grandfather clock, converting kinetic energy to potential energy and back again. In Finland, two intrepid engineers began experimenting with

Topics: battery electricity heat heating sand

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10-20x Faster LLVM -O0 Back-End – Code Generation

news.ycombinator.com Unknown 2025-11-27 05:55:30

5 years ago, @nikic wrote: I can’t say a 10% improvement is making LLVM fast again, we would need a 10x improvement for it to deserve that label. We recently open-sourced TPDE and our fast LLVM baseline back-end (TPDE-LLVM), which is 10-20x faster than the LLVM -O0 back-end with similar runtime performance and 10-30% larger code size. We support a typical subset of LLVM-IR and only target x86-64 and AArch64. Posting this here, as this might be interesting for the LLVM community – questions/com

Topics: 10 code ir llvm size

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Magic Lantern Is Back

news.ycombinator.com Unknown 2025-11-27 23:52:58

No Content Available

Topics: available content

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Lit: a library for building fast, lightweight web components

news.ycombinator.com Unknown 2025-12-02 00:14:22

Simple Skip the boilerplate Building on top of the Web Components standards, Lit adds just what you need to be happy and productive: reactivity, declarative templates and a handful of thoughtful features to reduce boilerplate and make your job easier. Every Lit feature is carefully designed with web platform evolution in mind. Fast Tiny footprint, instant updates Weighing in at around 5 KB (minified and compressed), Lit helps keep your bundle size small and your loading time short. And renderin

Topics: boilerplate fast lit need web

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Motion Sickness Sufferers, Rejoice: Scientists Say This Might Actually Help

gizmodo.com Margherita Bassi 2025-12-01 22:00:43

Normally, I’d start this sort of article by saying something along the lines of, “Everyone knows how horrible it is to feel motion sick.” But that’s not entirely true—plenty of people can text, read, and do all sorts of things in a moving vehicle without feeling the slightest bit nauseous. If that sounds like you, you’ll have to trust me—a chronic sufferer of motion sickness—when I say that it wholeheartedly sucks. Plus, many drugs used for motion sickness come with an unwanted side effect: dro

Topics: carsickness motion music participants sickness

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Target Promo Codes and Deals: Up to 50% Off

wired.com Molly Higgins 2025-12-01 23:05:00

Target has set itself apart from big box retailers like Walmart by having trendy clothes, homegoods branded by reality TV stars and, of course, in-store Starbucks. With malls and traditional department stores in decline, Target has even become the go-to destination for stay-at-home parents who need to get out of the house (and maybe get a Frappuccino). In recent years, the store has cemented themselves as a notch above similar retailers with exclusive products with a more high-end feel, while st

Topics: 50 circle free ll target

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Salesforce CEO confirms 4,000 layoffs ‘because I need less heads' with AI

cnbc.com Scott Budman 2025-12-01 22:59:01

Salesforce CEO Marc Benioff participates in an interview at the World Economic Forum in Davos, Switzerland, on Jan. 22, 2025. Salesforce has cut 4,000 of its customer support roles, CEO Marc Benioff recently said while discussing how artificial intelligence has helped reduce the company headcount. Benioff revealed the layoffs during an interview published Friday on The Logan Bartlett Show podcast. "I've reduced it from 9,000 heads to about 5,000, because I need less heads," Benioff said while

Topics: ai benioff ruettimann said salesforce

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Deal: Google TV Streamer drops to $79.99, almost its record-low price

androidauthority.com Unknown 2025-12-01 23:32:56

C. Scott Brown / Android Authority If your TV doesn’t have a smart TV operating system or you simply don’t like the one it comes with, a simple solution is to get a smart TV dongle or set-top box. Our favorite one is the Google TV Streamer, but it isn’t cheap at $99.99 and is not often on sale. Today is your lucky day, as it’s $20 off. Buy the Google TV Streamer for just $79.99 ($20 off) This offer is available from Amazon as a “limited time deal.” It’s only available in Porcelain. If you want

Topics: 99 google smart streamer tv

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The already-affordable TCL 60 XE NXTPAPER gets $70 cheaper

androidauthority.com Unknown 2025-12-02 00:55:55

Harley Maranan / Android Authority The TCL 60 XE NXTPAPER is already an affordable handset at its retail price of $249.99. I refuse to pay full price for anything, though, and if you are like me, today is your lucky day! The phone is at a record-low price of just $179.99, saving you $70. Buy the TCL 60 XE NXTPAPER for just $179.99 ($70 off) This offer is available from Amazon, but keep in mind that the discount is applied in two stages. First, a “limited time deal” takes the price down to $199

Topics: 179 99 nxtpaper phone price

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No more Prime shipping perks outside your family (Updated: Amazon statement)

androidauthority.com Unknown 2025-12-02 02:59:23

Update: September 2, 2025 (10:56 PM ET): An Amazon spokesperson has contacted Android Authority with an official statement on the matter. Here’s what they had to say: The Invitee program, which enabled sharing of the Prime shipping benefit only, is being phased out, and Prime members can instead share a broad range of Prime benefits with Amazon Family, including: fast, free delivery; access to exclusive deals and shopping events like Prime Day; movies, series, and live sports with Prime Video;

Topics: amazon benefits family free prime

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Google sets the date for Gemini’s arrival on your Google Home devices

androidauthority.com Unknown 2025-12-02 03:45:40

Ryan Haines / Android Authority TL;DR Gemini is coming to Google Home devices on October 1. Google previously said that this would be an early access rollout. With Gemini on their Google Home devices, users will be able to ask more complex questions in natural language, ask the AI agent to set up routines, and more. Gemini is finally coming home to your Google Home devices, with Google setting October 1 as the launch date. In a post on X, the company has invited users to sign up for updates,

Topics: assistant devices gemini google home

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Google doesn't have to sell Chrome, judge in monopoly case rules

engadget.com Unknown 2025-12-01 22:28:03

Google will not have to divest its Chrome browser but will have to change some of its business practices, a federal judge has ruled. The ruling comes more than a year after the same judge ruled that Google had acted illegally to maintain a monopoly in internet search. Following the ruling last year, the Department of Justice had proposed that Google should be forced to sell Chrome. But in a 230-page decision, Judge Amit Mehta said the government had "overreached" in its request. "Google will no

Topics: chrome google mehta ruling search

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Want a folding iPhone? Apple is making a bigger bet than ever that you will next year

zdnet.com Jason Hiner 2025-12-01 17:56:00

Apple's iPhone 16 Pro Max next to Samsung's Galaxy Z Fold 7. Jason Hiner/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways The reliable supply chain reporter Ming-Chi Kuo says Apple just boosted its folding iPhone plans. Apple will reportedly boost 2026 manufacturing to 8-10 million and 2027 to 20-25 million. That is far beyond the 2.4 million units Samsung plans to sell for its recent Fold 7 device. Supply chain analyst Ming-Chi Kuo issued a new report on T

Topics: apple fold iphone million samsung

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Cloudflare stops new world's largest DDoS attack over Labor Day weekend

zdnet.com Steven Vaughan-Nichols 2025-12-02 00:25:56

Hollie Adams/Bloomberg via Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways The biggest, baddest DDoS attack to date was just fended off. The attack used the trivial, but nasty, UDP flood attack. You must protect yourself against DDoS attacks. Over the Labor Day weekend, Cloudflare says it successfully stopped a record-breaking distributed denial-of-service (DDoS) attack that peaked at 11.5 terabits per second (Tbps). This came only a few months afte

Topics: attack attacks cloudflare ddos hyper

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In under 18 months, my iPhone's battery life has gone from great to terrible

zdnet.com Adrian Kingsley-Hughes 2025-12-02 02:00:17

Adrian Kingsley-Hughes/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways My iPhone is less than 18 months old. It now cannot make it through a day without a recharge. Nothing appears abnormal in the settings. Rather than do my usual and upgrade my iPhone again last year with only about a year on the clock, I decided to try what most people end up having to do -- keep it going for a few years. Apple says that the battery is designed to retain 80% of its orig

Topics: 80 battery day ios iphone

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Show HN: LightCycle, a FOSS game in Rust based on Tron

news.ycombinator.com Unknown 2025-12-01 23:08:54

LightCycle A classic TRON-inspired light cycle game built with Rust and ggez. Features Single-player and Two-player modes - Battle against AI or a friend - Battle against AI or a friend Adjustable AI Difficulty - Easy, Medium, and Hard AI opponents - Easy, Medium, and Hard AI opponents Boost Mechanic - Limited energy boost system for strategic gameplay - Limited energy boost system for strategic gameplay Visual Effects - Particle trails, screen shake, and glow effects - Particle trails, s

Topics: ai boost game pause player

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What Happens During Startup?

news.ycombinator.com Unknown 2025-11-27 06:35:00

With careful observation and a little knowledge of the startup sequence of an Apple silicon Mac, you can learn a lot about what can and can’t happen during that sequence. This article explains how, with examples from the log of a Mac mini M4 Pro. In broad terms, startup of an Apple silicon Mac consists of the following sequence of events: Boot ROM, which ends in DFU mode if there’s a problem, otherwise it hands on to the Low-Level Bootloader (LLB) and iBoot (Stage 2), the firmware, that shoul

Topics: apple data kernel log volume

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Indices, not Pointers

news.ycombinator.com Unknown 2025-12-01 22:21:30

Indices, not Pointers There is a pattern I’ve learned while using Zig which I’ve never seen used in any other language. It’s an extremely simple trick which - when applied to a data structure - reduces memory usage, reduces memory allocations, speeds up accesses, makes freeing instantaneous, and generally makes everything much, much faster. The trick is to use indices, not pointers. This is something I learned from a talk by Andrew Kelley (Zig’s creator) on data-oriented design. It’s used in Z

Topics: allocation data memory node nodes

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Lisp interpreter with GC in <750 lines of Odin (and <500 lines of C)

news.ycombinator.com Unknown 2025-11-28 08:35:32

komplott / komplodin A tribute to: Recursive Functions of Symbolic Expressions and Their Computation by Machine, Part I (as found in paper/recursive.pdf ) A micro-subset of scheme / the original LISP in a single C file: komplott.c ! New in 2025! The LISP interpreter translated to Odin in komplodin.odin . More lines of code, but I am less familiar with the language and am translating directly from C, so there are probably ways to make it a cleaner solution. When I posted this to lobste.rs,

Topics: car cdr equal fun lambda

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Chicago has the most lead pipes in the nation

news.ycombinator.com Keerti Gopal 2025-11-28 10:27:06

This story is a partnership between Grist Inside Climate News , and WBEZ, a public radio station serving the Chicago metropolitan region. As Gina Ramirez buckled her 11-year-old son into her car last month for their daily drive to school, she handed him a plastic water bottle. “I would love to be able to have him put a cup under the tap if he was thirsty,” Ramirez said. She can’t. Ramirez lives in a home on Chicago’s Southeast Side that’s serviced by a lead water pipe, a toxic relic found in

Topics: city lead lines service water

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This blog is running on a recycled Google Pixel 5 (2024)

news.ycombinator.com Unknown 2025-12-01 21:58:23

This blog is running on a recycled Google Pixel 5 If you glance over this blog, you will see that I am an avid Android fan. After setting up numerous Linux proot desktops on phones, I wanted to see if I use a phone as a server and run my blog from an Android phone. Since you are reading this, I was successful. I was inspired my a few Mastodon posts earlier this week to give it a go. First, I stumbled on a post from @kaimac who is running a site from an ESP32 microcontroller. In the comments of

Topics: blog hugo phone termux using

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%CPU utilization is a lie

news.ycombinator.com Brendan Long 2025-12-01 23:01:02

I deal with a lot of servers at work, and one thing everyone wants to know about their servers is how close they are to being at max utilization. It should be easy, right? Just pull up top or another system monitor tool, look at network, memory and CPU utilization, and whichever one is the highest tells you how close you are to the limits. And yet, whenever people actually try to project these numbers, they find that CPU utilization doesn't quite increase linearly. But how bad could it possibly

Topics: 50 cpu utilization work workers

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Today's NYT Mini Crossword Answers for Wednesday, Sept. 3

cnet.com See Full Bio 2025-12-02 02:29:36

Gael Cooper CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is co-author of "Whatever Happened to Pudding Pops? The Lost Toys, Tastes and Trends of the '70s and '80s," as well as "The Totally Sweet '90s." She's been a journalist since 1989, working at Mpls.St.Paul Magazine, Twin Cities Sidewalk, the Minneapolis Star Tribune, and NBC News Digital. She's Gen X in birthdate, word and deed. If Marathon candy bars ever come back, she'll be first in line.

Topics: 1989 author cooper gael journalist

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Google critics think the search remedies ruling is a total whiff

theverge.com Jay Peters 2025-12-01 23:06:24

Today’s ruling is a reminder of Google’s sweeping power over the online economy, but the limited remedies ordered by the court demonstrate why we need additional rules of the road for Big Tech. That’s why we must pass my bipartisan American Innovation and Choice Online Act to stop dominant platforms like Google from continuing to unfairly preference their own products over competitors’ — which hurts consumers and entrepreneurs, and stifles innovation. Through three administrations, our antitrust

Topics: google innovation like online rules

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Disney will pay $10 million to settle FTC claim it used cartoons to collect YouTube data on kids

theverge.com Lauren Feiner 2025-12-02 02:01:35

is a senior policy reporter at The Verge, covering the intersection of Silicon Valley and Capitol Hill. She spent 5 years covering tech policy at CNBC, writing about antitrust, privacy, and content moderation reform. Disney has agreed to pay $10 million to settle allegations from the Federal Trade Commission that it violated federal law by misleadingly labeling cartoons on YouTube so it could illegally collect children’s personal data. The FTC alleges that Disney failed to label some videos of

Topics: disney ftc kids videos youtube

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Medicare Will Start Paying AI Companies a Share of Any Claims They Automatically Reject

futurism.com Unknown 2025-12-02 03:57:34

It's long been the practice of private health insurers to require "prior authorization" before you can get the treatment you need. Often, they'll try to deny as many of these claims as possible — including with the use of AI models. Government-backed plans like Medicare, however, have tended to cover what private insurers don't, and without the laborious application process. But that could be poised to change. The Centers for Medicare and Medicaid Services said it'll experiment with its own ve

Topics: ai claims ll medicare models

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You're Not Interviewing for the Job. You're Auditioning for the Job Title

news.ycombinator.com Ibrahim Diallo 2025-12-02 02:31:37

I once had a job interview for a backend position. Their stack was Node.js, MySQL, nothing exotic. The interviewer asked: "If you have an array containing a million entries, how would you sort the data by name?" My immediate thought was: If you have a JavaScript array with a million entries, you're certainly doing something wrong. The interviewer continued: "There are multiple fields that you should be able to sort by." This felt like a trick question. Surely the right answer was to explain w

Topics: answer complexity interview interviews job

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Still Asking: How Good Are Query Optimizers, Really? [pdf]

news.ycombinator.com Unknown 2025-11-28 21:53:19

No Content Available

Topics: available content

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Making a Linux home server sleep on idle and wake on demand (2023)

news.ycombinator.com Unknown 2025-12-01 23:42:48

Making a Linux home server sleep on idle and wake on demand — the simple way It began with what seemed like a final mundane touch to my home server setup for hosting Time Machine backups: I wanted it to automatically sleep when idle and wake up again when needed. You know, sleep on idle — hasn’t Windows had that built in since like Windows 98? How hard could it be to configure on a modern Ubuntu install? To be fair, I wanted more than just sleep on idle, I also wanted wake on request — and tha

Topics: arp network server sleep wake

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Parallel AI agents are a game changer

news.ycombinator.com Unknown 2025-12-02 03:44:50

I’ve been in this industry long enough to watch technologies come and go. I’ve seen the excitement around new frameworks, the promises of revolutionary tools, and the breathless predictions about what would “change everything.” Most of the time, these technologies turned out to be incremental improvements wrapped in marketing hyperbole. But parallel agents? This is different. This is the first time I can say, without any exaggeration, that I’m witnessing technology that will fundamentally trans

Topics: agent agents code parallel work

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Latest Tech News

Finnish City Inaugurates 1 MW/100 MWh Sand Battery

10-20x Faster LLVM -O0 Back-End – Code Generation

Magic Lantern Is Back

Lit: a library for building fast, lightweight web components

Motion Sickness Sufferers, Rejoice: Scientists Say This Might Actually Help

Target Promo Codes and Deals: Up to 50% Off

Salesforce CEO confirms 4,000 layoffs ‘because I need less heads' with AI

Deal: Google TV Streamer drops to $79.99, almost its record-low price

The already-affordable TCL 60 XE NXTPAPER gets $70 cheaper

No more Prime shipping perks outside your family (Updated: Amazon statement)

Google sets the date for Gemini’s arrival on your Google Home devices

Google doesn't have to sell Chrome, judge in monopoly case rules

Want a folding iPhone? Apple is making a bigger bet than ever that you will next year

Cloudflare stops new world's largest DDoS attack over Labor Day weekend

In under 18 months, my iPhone's battery life has gone from great to terrible

Show HN: LightCycle, a FOSS game in Rust based on Tron

What Happens During Startup?

Indices, not Pointers

Lisp interpreter with GC in <750 lines of Odin (and <500 lines of C)

Chicago has the most lead pipes in the nation

This blog is running on a recycled Google Pixel 5 (2024)

%CPU utilization is a lie

Today's NYT Mini Crossword Answers for Wednesday, Sept. 3

Google critics think the search remedies ruling is a total whiff

Disney will pay $10 million to settle FTC claim it used cartoons to collect YouTube data on kids

Medicare Will Start Paying AI Companies a Share of Any Claims They Automatically Reject

You're Not Interviewing for the Job. You're Auditioning for the Job Title

Still Asking: How Good Are Query Optimizers, Really? [pdf]

Making a Linux home server sleep on idle and wake on demand (2023)

Parallel AI agents are a game changer

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