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How to Use Markdown

wired.com Justin Pot 2026-02-18 05:00:00

Whether you're posting on Reddit, Discord, or Github, there's only one way to add formatting: Markdown. If you want to add a link, bold some text, or even split text into paragraphs, you will need to know the basics of this text-based formatting system. Does that sound scary? Trust me, it’s not. Markdown has just a few rules for formatting text the way you want, and you only need to learn the rules for the formatting you actually use. Let's go over the simple rules, talk about why Markdown is

Topics: add formatting like markdown text

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Aging-related inflammation is not universal across human populations

news.ycombinator.com Unknown 2026-02-18 04:52:40

Inflammation, long considered a hallmark of aging, may not be a universal human experience, according to a new study from Columbia University Mailman School of Public Health. The research suggests that "inflammaging"—chronic, low-grade inflammation associated with aging—appears to be a byproduct of industrialized lifestyles and varies significantly across global populations. The findings are published in Nature Aging. Researchers analyzed data from four populations: two industrialized groups—th

Topics: aging industrialized inflammation populations study

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Anthropic Let an AI Agent Run a Small Shop and the Result Was Unintentionally Hilarious

futurism.com Unknown 2026-02-18 04:41:08

Anthropic ran an experiment where its Claude chatbot was put in charge of a tiny, automated "shop" inside its San Francisco headquarters — and the results were nothing short of hilarious. Despite claims in an Anthropic post that "Claudius," the name given to the AI agent in charge of stocking the shop's shelves, was "close to success," everything about the gambit seems to demonstrate just how bad AI is at managing things in the real world. Dubbed "Project Vend," the month-long experiment was u

Topics: ai anthropic automated claudius products

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The new skill in AI is not prompting, it's context engineering

news.ycombinator.com Philipp Schmid 2026-02-17 23:53:55

June 30, 2025 5 minute read Context Engineering is new term gaining traction in the AI world. The conversation is shifting from "prompt engineering" to a broader, more powerful concept: Context Engineering. Tobi Lutke describes it as "the art of providing all the context for the task to be plausibly solvable by the LLM.” and he is right. With the rise of Agents it becomes more important what information we load into the “limited working memory”. We are seeing that the main thing that determine

Topics: context engineering information model right

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CertMate – SSL Certificate Management System

news.ycombinator.com Unknown 2026-02-18 17:24:53

🔐 CertMate - SSL Certificate Management System 🌟 Why CertMate? CertMate solves the complexity of SSL certificate management in modern distributed architectures. Whether you're running a single application or managing certificates across multiple datacenters, CertMate provides: 🔄 Zero-Downtime Automation - Certificates renew automatically 30 days before expiry - Certificates renew automatically 30 days before expiry 🌐 Multi-Cloud Support - Works with 19 DNS providers (Cloudflare, AWS, Azure,

Topics: api certificate certificates certmate dns

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The New Skill in AI Is Not Prompting, It's Context Engineering

news.ycombinator.com Philipp Schmid 2026-02-18 17:53:55

June 30, 2025 5 minute read Context Engineering is new term gaining traction in the AI world. The conversation is shifting from "prompt engineering" to a broader, more powerful concept: Context Engineering. Tobi Lutke describes it as "the art of providing all the context for the task to be plausibly solvable by the LLM.” and he is right. With the rise of Agents it becomes more important what information we load into the “limited working memory”. We are seeing that the main thing that determine

Topics: context engineering information model right

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Scribble-based forecasting and AI 2027

news.ycombinator.com Unknown 2026-02-19 00:15:29

AI 2027 forecasts that AGI could plausibly arrive as early as 2027. I recently spent some time looking at both the timelines forecast and some critiques [1, 2, 3]. Initially, I was interested in technical issues. What’s the best super-exponential curve? How much probability should it have? But I found myself drawn to a more basic question. Namely, how much value is the math really contributing? This provides an excuse for a general rant. Say you want to forecast something. It could be when you

Topics: ai forecast like math model

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Nearly 12 million people would lose health insurance under Senate GOP bill

arstechnica.com Unknown 2026-02-19 09:37:24

The Senate Republicans' version of President Trump's tax bill would slash federal spending on health provisions—Medicare, Medicaid, and the Affordable Care Act—by $1.1 trillion by 2034. And in that time, an estimated 11.8 million people would lose their health insurance. That’s according to an analysis released over the weekend by the Congressional Budget Office. The massive piece of legislation is likely to change as senators are currently running a "vote-a-rama" for rapid-fire amendment propo

Topics: estimated health lose medicaid million

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Pixelmator Pro just got its first Apple Intelligence features and more

9to5mac.com Ryan Christoffel 2026-02-19 18:49:45

Pixelmator is now owned by Apple, so it was only a matter of time before the suite of photo apps was updated with Apple Intelligence support. Today, Pixelmator Pro for Mac is the first in Apple’s trio of products to get new AI features alongside accessibility improvements and more. When Apple acquired Pixelmator, it gained ownership of three separate apps: Pixelmator Pro for Mac Pixelmator for iPhone and iPad Photomator for iPhone, iPad, and Mac Before the acquisition, Pixelmator Pro was cl

Topics: apple new pixelmator pro text

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Printegrated Circuits: Merging 3D Printing and Electronics

news.ycombinator.com Alfred Poor 2026-02-20 00:30:23

Just as the laser printer delivered the benefits of a printing press to personal computer users more than 40 years ago, 3D printers have made it possible for individuals to turn digital designs into physical objects. Some printers cost less than US $1,000, and they can be used to create one-off objects or low-volume production of items. 3D printed objects have one major limitation; it’s not easy to make them “smart.” Adding digital processors and other components remains a challenge, as does ad

Topics: 3d child filament make material

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FBI: Cybercriminals steal health data posing as fraud investigators

bleepingcomputer.com Unknown 2026-02-20 14:42:01

The Federal Bureau of Investigation (FBI) has warned Americans of cybercriminals impersonating health fraud investigators to steal their sensitive information. As the federal law enforcement agency cautioned in a Friday public service announcement, scammers posing as "legitimate health insurers and their investigative team members" are emailing or messaging potential victims to pressure them into providing personal or health data that can later be used for fraudulent purposes. "These criminals

Topics: fbi health information messages personal

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Xbox Brought These Call of Duty and Warcraft Games to Game Pass in June

cnet.com See Full Bio 2026-02-21 00:00:05

The Call of Duty franchise got its start as a first-person shooter set during World War II. Game Pass subscribers can now return to that war and take part in historical battles in Call of Duty: WWII. Xbox Game Pass Ultimate, a CNET Editors' Choice award pick, offers hundreds of games you can play on your Xbox Series X, Xbox Series S, Xbox One and PC or mobile device for $20 a month. A subscription gives you access to a large library of games, with new titles, including Doom: The Dark Ages, adde

Topics: game pass play subscribers ultimate

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25 Best Wireless Chargers (2025), Tested and Reviewed

wired.com Julian Chokkattu 2026-02-21 00:30:00

Other Wireless Chargers We Tested Photograph: Simon Hill There are a lot of wireless chargers. Here are a few more we like, but for one reason or another don't warrant a place above. Baseus Nomos 5-in-1 Charging Station for $100: If you liked the PicoGo W2 above but need more gadget-charging power, this 5-in-1 could be worth a look. It also has a tilting pad and retractable USB-C cable, but adds two more USB-C ports and one USB-A, along with a stats-filled display. It’s perfect for your deskt

Topics: charger charging mat usb wireless

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Infrastructure at Roblox

news.ycombinator.com Unknown 2026-02-16 20:58:20

Throttling is a very accepted concept in computer science. But this is the most misused and misunderstood lever of computer science. When new engineers join Roblox, their first solutions often include, “If we could just tell our creators to tweak this config or slow down their events…”. Veteran Roblox engineers then gently explain our value of respecting the community and that we don’t tell our creators what to do. For example, most gaming systems have a simple solution for matchmaking when mil

Topics: cloud matchmaking peak players roblox

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Community Is Motivation on Tap

news.ycombinator.com Unknown 2026-02-15 22:13:43

Community is Motivation on Tap A good community can have tremendous influence on one’s motivation. I never appreciated this fact enough so I wanted to write about it here. Looking at successful athletes, founders, musicians, game speedrunners, or overachievers in any area, they seem to have unlimited motivation to do loads of tedious work or practice. One might say they are interested in the work itself, but how inherently interesting can beating super mario 1ms faster be? The work of a founde

Topics: community game information motivated motivation

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Evaluating Long-Context Question and Answer Systems

news.ycombinator.com Eugene Yan 2026-02-16 05:47:27

While evaluating Q&A systems is straightforward with short paragraphs, complexity increases as documents grow larger. For example, technical documentation, novels and movies, as well as multi-document scenarios. Although some of these evaluation challenges also appear in shorter contexts, long-context evaluation amplifies issues such as: Information overload: Irrelevant details in large documents obscure relevant facts, making it harder for retrievers and models to locate the right evidence for

Topics: answer answers information models questions

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2025 ARRL Field Day

news.ycombinator.com Unknown 2026-02-20 12:04:04

ARRL Field Day is a radio communications event that brings together amateur radio operators (also called “hams”) within your community. The theme for 2025 Field Day is “Radio Connects” – highlighting the many ways that wireless technology connects people across distances near and far. The event is part picnic, campout, practice for emergencies, informal contest, and most of all, fun! ARRL Field Day is the most popular ham radio activity held annually in the US and Canada. On the fourth weekend i

Topics: amateur arrl day field radio

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PNG image format receives HDR and animation support in first spec update in decades

techspot.com Daniel Sims 2026-02-20 14:33:00

Why it matters: For decades, JPEG, PNG, and GIF have remained among the most popular image formats, even as newer options like WebP and AVIF have emerged. Now, PNG is getting its first meaningful update in over 20 years with the release of its third edition, making the format more versatile than ever. The World Wide Web Consortium (W3C), which manages web standards and guidelines, recently published new specifications for the PNG (Portable Network Graphics) image format. The updated format now

Topics: edition format image png support

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The World Is Producing More Food than Ever—but Not for Long

wired.com Umair Irfan 2026-02-20 09:00:00

This story originally appeared on Vox and is part of the Climate Desk collaboration. Globally, humanity is producing more food than ever, but that harvest is concentrated in just a handful of breadbaskets. More than one-third of the world’s wheat and barley exports come from Ukraine and Russia, for example. Some of these highly productive farmlands, including major crop-growing regions in the United States, are on track to see the sharpest drops in harvests due to climate change. That’s bad n

Topics: climate crop food weather world

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Mattress Buying: In-Store or Online?

wired.com Julia Forbes 2026-02-20 10:08:00

For stains, cracking, sagging, dents, or anything of that nature that happen over time, you’re probably out of luck, as this is very much in the early-on sort of scenario. Similarly, let’s say that the stitching of the cover comes undone or it’s clear that the bed wasn’t put together the way it should’ve been, as it’s falling apart. This would be considered a “manufacturing defect” and also should be covered. Here’s one very important piece of information to keep in mind if you find yourself de

Topics: bed customer like mattress warranty

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Bitmovin (YC S15) Is Hiring a Junior Solutions Engineer in Denver

news.ycombinator.com Unknown 2026-02-21 23:00:16

The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying ou

Topics: access legitimate necessary purpose requested

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Weird Expressions in Rust

news.ycombinator.com Unknown 2026-02-22 09:08:26

Rust has a very powerful type system, but as a result it has some quirks, some would say cursed expressions. There’s a test file, weird-expr.rs , in the rust repository that tests for some of these and makes sure there consistent between updates. So I wanted to go over each of these and explain how it’s valid rust. Note that these are not bugs, but rather extreme cases of rust features like loops, expressions, coercion and so on. Strange fn strange () -> bool { let _x : bool = return true ;}

Topics: fn let match return u8

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ModRetro Chromatic Review: The Perfect Game Boy Restomod

cnet.com See Full Bio 2026-02-22 17:00:09

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. 9.0 / 10 SCORE ModRetro Chromatic Review Pros Beautiful screen Sturdy construction Vibrant design and colors Cons Batteries Delicate paint job Price Mono sound Table of Contents ModRetro Chromatic Review: The Perfect Game Boy Restomod Lots of brands attempt to market nostalgia, but few succeed in capturing its warm essence. From hot pink flip phones

Topics: boy chromatic game high modretro

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Retail giant Ahold Delhaize says data breach affects 2.2 million people

bleepingcomputer.com Unknown 2026-02-23 08:12:43

Ahold Delhaize, one of the world's largest food retail chains, is notifying over 2.2 million individuals that their personal, financial, and health information was stolen in a November ransomware attack that impacted its U.S. systems. The multinational retailer and wholesale company operates over 9,400 local stores across Europe, the United States, and Indonesia, employing more than 393,000 people and serving approximately 60 million customers each week in-store and online. It has reported yea

Topics: ahold delhaize information ransomware stolen

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Calculating the Fibonacci numbers on GPU

news.ycombinator.com Unknown 2026-02-18 23:10:19

Calculating the fibonacci numbers on GPU 21 Jun, 2025 In this blogpost we will show how to perform very fast calculation of the Fibonacci sequence using GPU programming. In this blogpost we will employ Thrust an NVIDIA library which uses concepts from modern C++ to make GPU programming easy. Introduction Scan is one of the fundamental examples for parallelizable algorithms. If you are interested in the foundations of the algorithm I refer you to a previous blogpost where I implemented scan i

Topics: auto matrix scan thrust using

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Mattress Shopping Terms to Know (2025)

wired.com Julia Forbes 2026-02-23 10:43:00

Shopping for a mattress online is a lot of work—enough to make you need some rest. Picking the right bed, like the right bet itself, is better if you have enough support. To help you with the arduous process of selection, we’ve come up with guides that explain the need-to-know about mattress shopping. This includes the varying mattress types, how to select a mattress, and our thoroughly tested guide to the best mattresses you can buy online. Today, it's time to break down some of the terminolog

Topics: bed like mattress need support

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Facing Rising Seas, Thousands in Tuvalu Seek an Escape Through Australia

gizmodo.com Ellyn Lapointe 2026-02-24 04:55:34

As rising sea levels gradually swallow the world’s low-lying island nations, many citizens will have no choice but to leave their homes behind. In Tuvalu, one of the world’s most climate-threatened archipelagos, the migration has already begun. Nearly a third of Tuvalu’s roughly 11,000 residents are seeking Australian visas to escape the encroaching waters. In 2023, Australia announced that it would launch these visas as part of a bilateral treaty it signed with Tuvalu—the world’s first to crea

Topics: australia change climate sea tuvalu

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Researchers develop a battery cathode material that does it all

arstechnica.com Unknown 2026-02-25 04:08:01

Battery electrode materials need to do a lot of things well. They need to be conductors to get charges to and from the ions that shuttle between the electrodes. They also need to have an open structure that allows the ions to move around before they reach a site where they can be stored. The storage of lots of ions also causes materials to expand, creating mechanical stresses that can cause the structure of the electrode material to gradually decay. Because it's hard to get all of these propert

Topics: electrode ions material materials researchers

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Mixed DPI in X11

news.ycombinator.com Unknown 2026-02-26 05:01:18

I'm writing this article because I'm getting tired of repeating the same concepts every time someone makes misinformed statements about the (lack of) support for mixed-DPI configurations in X11. It is my hope that anybody looking for information on the subject may be directed here, to get the facts about the actual possibilities offered by the protocol, avoiding the biased misinformation available from other sources. If you only care about “how to do it”, jump straight to The RANDR way, otherwi

Topics: display dpi information monitor screen

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These Three Messaging Apps Are Encrypted, but One Stands Above the Rest

cnet.com See Full Bio 2026-02-26 04:00:03

Key points: Most widely used messaging app Uses the same encryption protocol as Signal Collects heaps of your data Free, but owned and operated by Meta WhatsApp is the most popular private messaging app on this list, with about 2 billion monthly users, according to Exploding Topics. Because it's so popular, there's a higher chance that other people you might be chatting with have WhatsApp, and therefore your chats can be encrypted. And if the person you're chatting with doesn't have WhatsAp

Topics: app data information messaging whatsapp

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Latest Tech News

How to Use Markdown

Aging-related inflammation is not universal across human populations

Anthropic Let an AI Agent Run a Small Shop and the Result Was Unintentionally Hilarious

The new skill in AI is not prompting, it's context engineering

CertMate – SSL Certificate Management System

The New Skill in AI Is Not Prompting, It's Context Engineering

Scribble-based forecasting and AI 2027

Nearly 12 million people would lose health insurance under Senate GOP bill

Pixelmator Pro just got its first Apple Intelligence features and more

Printegrated Circuits: Merging 3D Printing and Electronics

FBI: Cybercriminals steal health data posing as fraud investigators

Xbox Brought These Call of Duty and Warcraft Games to Game Pass in June

25 Best Wireless Chargers (2025), Tested and Reviewed

Infrastructure at Roblox

Community Is Motivation on Tap

Evaluating Long-Context Question and Answer Systems

2025 ARRL Field Day

PNG image format receives HDR and animation support in first spec update in decades

The World Is Producing More Food than Ever—but Not for Long

Mattress Buying: In-Store or Online?

Bitmovin (YC S15) Is Hiring a Junior Solutions Engineer in Denver

Weird Expressions in Rust

ModRetro Chromatic Review: The Perfect Game Boy Restomod

Retail giant Ahold Delhaize says data breach affects 2.2 million people

Calculating the Fibonacci numbers on GPU

Mattress Shopping Terms to Know (2025)

Facing Rising Seas, Thousands in Tuvalu Seek an Escape Through Australia

Researchers develop a battery cathode material that does it all

Mixed DPI in X11

These Three Messaging Apps Are Encrypted, but One Stands Above the Rest

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