Noticias

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Building a Center of Excellence for Ansible

Red Hat blog @ 2026-05-08 02:00:00

As Ansible adoption grows, a challenge can arise: How do organizations track automation efforts across the entire enterprise? A common solution is to establish a Center of Excellence (CoE) for Ansible, helping organizations move from isolated automation ef

Sabastian Sawe ran the first sub-2-hour marathon: 118 years of marathon records

Randal S. Olson @ 2026-04-26 21:00:00

On April 26, 2026, Kenya's Sabastian Sawe ran 1:59:30 at London to become the first man to break two hours in a record-eligible marathon.

Linux Version of Framework's Laptop 13 Pro is Outselling Its Windows Variant

slashdot @ 2026-04-26 20:06:00

Framework began shipping its new Laptop 13 Pro this week. And the Ubuntu variant is outselling the Windows variant, reports PC World: [I]t's selling quickly by Framework's internal metrics, with six batches of the Intel version of the laptop already sold

DF Paraphernalia: Last Call for This Round of T-Shirts and Hoodies

Daring Fireball @ 2026-04-26 19:58:25

It’s really just a coincidence, but it was 20 years ago this week that I went full-time writing Daring Fireball (after writing the site in my spare time for 4 years). That feels like a long time ago. But it feels like yesterday, too. In my announcement,

Report Claims Samsung Might Post Its First-Ever Mobile Division Loss This Year, Blaming RAM Crisis

Daring Fireball @ 2026-04-26 19:39:40

Ben Schoon, 9to5Google: In March, a report revealed some of the internal cuts Samsung has been making for its mobile division, with the company initially concerned it could post an operating loss for the first time ever. It’s a big deal, as Samsung’

New Problem for NASA's 'Lunar Gateway': Corrosion in Two Modules Caused by Supplier

slashdot @ 2026-04-26 18:34:00

In March, NASA Administrator Jared Isaacman announced that the moon-orbiting "Lunar Gateway" space station was being "paused" to focus instead of missions to the moon's surface. And Ars Technica agrees that the project was essentially "spending billions of

How Teachers Fight Students' Shortening Attention Spans Shorter Activities, Hands-On Projects, and Meditation

slashdot @ 2026-04-26 17:34:00

The Washington Post reports that some teachers are now implementing "brain breaks" in their classrooms to cope with shorter attention spans, "including limiting screen time; cutting the time students spend on one activity; adding more engaging, hands-on pr

Fans Angry Over Pokemon Go Champion's Disqualification For Allegedly Shaking the Table

slashdot @ 2026-04-26 16:04:00

It's "the curious case of... the Pokémon Go pro who celebrated too hard," reports the gaming news site Aftermath. It all started on the first weekend in April... Firestar73, a competitive Pokémon Go player who placed seventh at last year's

New release schedule for Solaris 11.4

C0T0D0S0 @ 2026-04-26 14:30:00

Solaris 11.4 moves from three to two SRUs per quarter

Privacy Advocate Accuses US Government of Investing in AI-Powered Mass Surveillance

slashdot @ 2026-04-26 13:34:00

The Conversation published this warning from privacy/tech law/electronic surveillance attorney Anne Toomey McKenna (also an affiliated faculty member at Penn State's Institute for Computational and Data Sciences). The U.S. government "is able to purchase A

Asahi Linux Progress Linux 7.0

Hacker News 200 @ 2026-04-26 12:50:32

Article URL: Comments URL: Points: 228 # Comments: 50

40 Years After the Chernobyl Disaster, More Countries Are Turning To Nuclear Power

slashdot @ 2026-04-26 09:34:00

An anonymous reader shared this report from the Associated Press: The 1986 Chernobyl disaster fueled global fears about nuclear power and slowed its development in Europe and elsewhere. Four decades later, however, there's a revival around the world, a tr

AWS Ends WorkMail and Moves App Runner to Maintenance Mode

InfoQ @ 2026-04-26 08:53:00

AWS has recently announced that WorkMail will be discontinued and that App Runner will stop accepting new customers and move into maintenance mode. Several other less popular services and features are also entering maintenance or sunset phases, triggerin

The West forgot how to make things, now it’s forgetting how to code

Hacker News 200 @ 2026-04-26 08:24:42

Article URL: Comments URL: Points: 682 # Comments: 409

Is AI Cannibalizing Human Intelligence? A Neuroscientist's Way to Stop It

slashdot @ 2026-04-26 06:34:00

The AI industry is largely failing to ask a key design question, argues theoretical neuroscientist/cognitive scientist Vivienne Ming. Are their AI products building human capacity or consuming it? In the Wall Street Journal Ming shares her experiment abo

EU Age Control: The trojan horse for digital IDs

Hacker News 200 @ 2026-04-26 05:44:28

Comments URL: Points: 254 # Comments: 135

Tell HN: An app is silently installing itself on my iPhone every day

Hacker News 200 @ 2026-04-26 02:50:56

Every day for the past 3 days around 1pm EST the 'Headspace' app has been silently appearing on my iPhone (13 Pro). Automatic downloads are turned off and I've updated to the latest iOS since this started happening. I googled around and found a couple re

Trump Fires All 24 Members of America's National Science Board

slashdot @ 2026-04-26 02:45:00

America's National Science Board (NSB) "was established in 1950 to guide the governance of the National Science Foundation," writes the Washington Post, "in an unusual structure within the federal government that echoes the setup of a company board in the

Why has there been so little progress on Alzheimer's disease?

Hacker News 200 @ 2026-04-26 02:12:47

Article URL: Comments URL: Points: 303 # Comments: 190

Reflecting on HAT: A Project Babylon Case Study

Inside Java @ 2026-04-26 02:00:00

In this session, we'll introduce Project Babylon and examine how it's used by HAT (Heterogeneous Accelerator Toolkit) to make GPU programming more approachable for Java developers. We'll focus on new HAT features that leverage code reflection to create lay

Australia's Teen Social Media Ban Isn't Working. Half Their Teens Still Have Access, Survey Finds

slashdot @ 2026-04-26 01:09:00

After Australia banned social media for users younger than 16, teenagers "immediately worked to circumvent the restrictions," reports Fortune: 14-year-old in New South Wales, told The Washington Post in December 2025, just before the implementation of the

Trump fires NSF's oversight board

Hacker News 200 @ 2026-04-26 00:39:33

Article URL: Comments URL: Points: 473 # Comments: 246

USB Cheat Sheet (2022)

Hacker News 200 @ 2026-04-25 23:51:18

Article URL: Comments URL: Points: 386 # Comments: 72

A Guide to @NamedEntityGraph in Hibernate

Baeldung @ 2026-04-25 23:46:41

Learn how the @NamedEntityGraph annotation works when using Hibernate and different ways to employ it. The post A Guide to @NamedEntityGraph in Hibernate first appeared on Baeldung .              

Colorado Adds Open-Source Exemption to Age-Verification Bill

slashdot @ 2026-04-25 23:26:00

Colorado's "age-attestation" bill left the House committee with new exemptions for open-source operating systems, applications, code repositories, and containerized software distribution, reports the blog Linuxiac: [The bill] focuses on operating system p

The AI industry is discovering that the public hates it

Hacker News 200 @ 2026-04-25 23:11:11

Article URL: Comments URL: Points: 246 # Comments: 331

Is the World Ready For a Car Without a Rear Window?

slashdot @ 2026-04-25 22:19:00

There's a glass roof — but no rear-view window. Instead the Polestar 4 replaces the rear-view mirror with a live feed from a wide-angle camera. Its high-resolution display (1480 x 320 pixels) promises "a panoramic view of the outside," according to P

Open Source Developer Brings Linux to Windows 95, Windows 98, and Windows ME

slashdot @ 2026-04-25 20:34:00

Microsoft released the "Windows Subsystem for Linux" in 2016, adding an optional Linux environment into every operating system since Windows 10. But now an open source developer has brought Linux to Windows 95, Windows 98, and Windows Me, reports the blog

Amateur armed with ChatGPT solves an Erdős problem

Hacker News 200 @ 2026-04-25 19:40:38

Comments URL: Points: 509 # Comments: 338

Linux Drops ISDN Subsystem and Other Old Network Drivers

slashdot @ 2026-04-25 19:34:00

"Old code like amateur radio and NFC have long been a burden to core networking developers," reads the pull request. And so Thursday Linus Torvald merged the pull request "to rid the Linux kernel of the old Integrated Services Digital Network (ISDN) subs

This Week’s Awesome Tech Stories From Around the Web (Through April 25)

Singularity Hub @ 2026-04-25 19:02:39

Every week, we scour the web for important, insightful, and fascinating stories in science and technology. The post This Week’s Awesome Tech Stories From Around the Web (Through April 25) appeared first on SingularityHub .

White House Pushed Out New AI Official After Just Four Days on the Job

slashdot @ 2026-04-25 18:34:00

It's the U.S. government's main link to the AI industry, reports The Washington Post, working to assess national security risks of new models like Anthropic's "Mythos". To run it they'd hired Collin Burns, who'd worked at OpenAI and then Anthropic. But B

Closed-form solution to the nonlinear pendulum equation

The Endeavour @ 2026-04-25 18:16:12

The previous post looks at the nonlinear pendulum equation and what difference it makes to the solutions if you linearize the equation. If the initial displacement is small enough, you can simply replace sin θ with θ. If the initial displacement is larger

Using coding assistance tools to revive projects you never were going to finish

Hacker News 200 @ 2026-04-25 18:11:50

Article URL: Comments URL: Points: 292 # Comments: 190

Niri 26.04: Scrollable-tiling Wayland compositor

Hacker News 200 @ 2026-04-25 17:59:15

Article URL: Comments URL: Points: 238 # Comments: 80

Análisis de ajedrez | Perlas de Menorca (IV)

Partidas ajedrez El País @ 2026-04-25 17:51:01

El húngaro Richard Rapport, de 30 años, ha brillado desde su adolescencia como uno de los jugadores más creativos del mundo

Free Software Foundation Says 'Responsible AI' Licenses Which Restrict Harmful Uses are Unethical and Nonfree

slashdot @ 2026-04-25 17:34:00

The Free Software Foundation's Licensing and Compliance Manager published a blog post this week to explicitly state that"Responsible AI" Licenses (RAIL) are nonfree and unethical. The licenses restrict AI and ML software "from being used in a specific list

nth derivative of a quotient

The Endeavour @ 2026-04-25 15:12:39

There’s a nice formula for the nth derivative of a product. It looks a lot like the binomial theorem. There is also a formula for the nth derivative of a quotient, but it’s more complicated and less known. We start by writing the quotient rule

Show HN: A Karpathy-style LLM wiki your agents maintain (Markdown and Git)

Hacker News 200 @ 2026-04-25 10:53:53

I shipped a wiki layer for AI agents that uses markdown + git as the source of truth, with a bleve (BM25) + SQLite index on top. No vector or graph db yet. It runs locally in ~/.wuphf/wiki/ and you can git clone it out if you want to take your knowledge

Cloudflare Optimizes Edge Stack for High-Core CPUs Instead of Large Cache

InfoQ @ 2026-04-25 08:06:00

Cloudflare recently introduced its Gen 13 servers, marking a shift in how its network handles traffic. Instead of relying on large CPU caches for speed, the company redesigned its software to leverage many more processor cores working in parallel in its

New 10 GbE USB adapters are cooler, smaller, cheaper

Hacker News 200 @ 2026-04-25 07:56:12

Article URL: Comments URL: Points: 587 # Comments: 348

Firefox Has Integrated Brave's Adblock Engine

Hacker News 200 @ 2026-04-25 03:47:33

Article URL: Comments URL: Points: 395 # Comments: 232

Plain text has been around for decades and it’s here to stay

Hacker News 200 @ 2026-04-25 03:03:09

Article URL: Comments URL: Points: 298 # Comments: 147

Replace IBM Quantum back end with /dev/urandom

Hacker News 200 @ 2026-04-25 02:58:38

Article URL: Comments URL: Points: 358 # Comments: 51

★ Time to Serve Some Delicious Claim Chowder Regarding the Cook-Ternus CEO Transition

Daring Fireball @ 2026-04-25 02:56:12

Every single word of the November 2025 Financial Times report, which Mark Gurman derided as “simply false”, was, in fact, exactly correct.

How nonlinearity affects a pendulum

The Endeavour @ 2026-04-25 01:53:29

The equation of motion for a pendulum is the differential equation where g is the acceleration due to gravity and ℓ is the length of the pendulum. When this is presented in an introductory physics class, the instructor will immediately say something like

A Humanoid Robot Beat the Human World Record for a Half Marathon

Singularity Hub @ 2026-04-25 00:34:04

A year after most robots failed to finish the Beijing race, nearly half the field autonomously ran a course of slopes, narrow passages, and 20 turns. The post A Humanoid Robot Beat the Human World Record for a Half Marathon appeared first on Singular

Google to invest up to $40B in Anthropic in cash and compute

Hacker News 200 @ 2026-04-24 22:00:30

Article URL: Comments URL: Points: 209 # Comments: 7

My audio interface has SSH enabled by default

Hacker News 200 @ 2026-04-24 21:30:46

Article URL: Comments URL: Points: 321 # Comments: 99

The Classic American Diner

Hacker News 200 @ 2026-04-24 21:01:09

Article URL: Comments URL: Points: 262 # Comments: 156

OpenAI releases GPT-5.5 and GPT-5.5 Pro in the API

Hacker News 200 @ 2026-04-24 20:23:32

GPT-5.5 - - April 2026 (1010 comments) Comments URL: Points: 255 # Comments: 154

Análisis de ajedrez | Perlas de Menorca (III)

Partidas ajedrez El País @ 2026-04-24 19:37:38

El ganador del torneo abierto, Abhimanyu Mishra, es el gran maestro más joven de la historia, y produjo esta brillante miniatura

★ Norwegian Boating Licenses and Generational Law

Daring Fireball @ 2026-04-24 18:09:50

My spitball idea for a generational law to keep more young people from ever starting a tobacco habit — and thus, nicotine addiction — would be through scaled taxation.

★ ‘We Don’t Serve Their Kind Here’

Daring Fireball @ 2026-04-24 16:18:03

I think about this scene more and more lately.

A New Type of Neuroplasticity Rewires the Brain After a Single Experience

Quanta Magazine @ 2026-04-24 16:17:44

“Neurons that fire together, wire together” is not the full story. A novel mechanism explains how the brain can learn across longer timescales. The post A New Type of Neuroplasticity Rewires the Brain After a Single Experience first appeared

Defending against exceptions in a scope_exit RAII type

old new thing @ 2026-04-24 16:00:00

But maybe it's not worth it. The post Defending against exceptions in a <CODE>scope_exit</CODE> RAII type appeared first on The Old New Thing .

XOXO Explore

Daring Fireball @ 2026-04-24 15:28:41

Andy McMillan and Andy Baio: Today, over 10 years later, and almost two full years after we retired the festival for good, we’re finally launching that website. Named after what we thought would be a throwaway title for a short-lived GitHub repo, allo

New Zealand Passed a Generational Smoking Ban in 2022, But Repealed It Before It Went Into Effect

Daring Fireball @ 2026-04-24 15:12:55

Eva Corlett, reporting for The Guardian in 2023: New Zealand’s new government will scrap the country’s world-leading law to ban smoking for future generations to help pay for tax cuts — a move that public health officials believe will cost thousands o

Lykke Studios: In pursuit of puffy perfection

Apple Developer News and Updates @ 2026-04-24 15:00:15

DEVELOPER STORIES THE POWER OF PUFFIES. The delightful game puffies. combines the satisfying snap of a jigsaw puzzle with the nostalgic delight of a sticker book. This 2025 Apple Design Award finalist for Inclusivity is brimming with virtual puffy

Yelp Achieves Zero-Downtime Upgrade of over 1,000 Cassandra Nodes

InfoQ @ 2026-04-24 14:00:00

Yelp has completed a large-scale upgrade of its Apache Cassandra infrastructure, spanning more than 1,000 nodes, without any service downtime, offering a blueprint for managing stateful systems at scale. By Craig Risi

Does reading do us any good?

AEON @ 2026-04-24 12:00:00

Stripped of easy moralising, literature makes us relish the search for truth in an age when many believe truth to be dead - by Flora Champy Read on Aeon

Wire Codes

Quantum Journal @ 2026-04-24 10:43:51

Quantum 10, 2083 (2026). Quantum information is fragile and must be protected by a quantum error-correcting code for large-scale practical applications. Recently, highly efficient quantum codes have been discov

HashiCorp Vault 2.0 Marks Shift to IBM Lifecycle with New Identity Federation

InfoQ @ 2026-04-24 09:00:00

HashiCorp has released Vault 2.0, moving to the IBM versioning and support model following its acquisition. The update introduces Workload Identity Federation for secret syncing without static credentials, SCIM 2.0 provisioning, and performance gains in

United Kingdom to Enact Smoking Ban Only for Those Who Are Not Yet Legal Adults

Daring Fireball @ 2026-04-24 03:26:13

Ephrat Livni, reporting for The New York Times (gift link): Britain aims to raise a “smoke-free generation” by permanently banning the sale or supply of tobacco to anyone born in 2009 or after, with a bill that was approved by Parliament on Tuesday.

Learning from Nature with System Dynamics

John Carlos Baez @ 2026-04-24 02:10:52

  We have left the Holocene and entered a new epoch, the Anthropocene, in which the biosphere is rapidly changing due to human activities. We do not need to decide to address these issues. They are already addressing us: grabbing us by the collar, so

Learning from Nature with System Dynamics

Physics Phorums @ 2026-04-24 02:10:52

  We have left the Holocene and entered a new epoch, the Anthropocene, in which the biosphere is rapidly changing due to human activities. We do not need to decide to address these issues. They are already addressing us: grabbing us by the collar, so

When less is more: Why less precision and fewer parameters carry enterprise AI

Red Hat blog @ 2026-04-24 02:00:00

Running Llama 70B as an on-demand cloud inference endpoint costs roughly $16,000 per month. Running Llama 8B costs about $734. For teams where an 8B model meets the quality bar for their workload, that gap is very hard to ignore.The question enterprise tea

Friday Five — April 24, 2026

Red Hat blog @ 2026-04-24 02:00:00

5 reasons to go with your team to Red Hat Summit 2026Red Hat Summit is where the global community comes together to solve the industry's biggest challenges, and there is no better way to navigate that future than with your team by your side. Register today

Customer stories and continued momentum: OpenShift Virtualization sessions at Red Hat Summit 2026

Red Hat blog @ 2026-04-24 02:00:00

Disruption in the virtualization market has not slowed down. The fallout from industry licensing and packaging changes continues to push organizations into decisions they were not planning to make this year, and for many, the timelines are getting shorter,

Confidential guest reset on QEMU hypervisor: Design choices and approach

Red Hat blog @ 2026-04-24 02:00:00

Looking at the release notes or changelogs for QEMU upstream, you might notice that there's something new in version 11.0:SEV-SNP and TDX machines can now be reset.This is a feature we at Red Hat helped implement. The motivations and associated challenges

Confidential clusters for Red Hat OpenShift: Developer Preview now available on Microsoft Azure with AMD SEV-SNP

Red Hat blog @ 2026-04-24 02:00:00

Extending confidential computing from individual workloads to the entire cluster is a new frontier in cloud-native security.Today, Red Hat is announcing the Developer Preview of confidential clusters for Red Hat OpenShift, a new feature of OpenShift that e

CATL’s New EV Battery Charges in Six Minutes

Singularity Hub @ 2026-04-24 00:21:28

That's a few minutes longer than it takes to fill up the average gas-powered car—but still fast enough it might not matter. The post CATL’s New EV Battery Charges in Six Minutes appeared first on SingularityHub .

Trump’s Blog Has Somehow Lost $1.1 Billion

Daring Fireball @ 2026-04-23 23:14:35

Russ Choma, reporting for Mother Jones: Devin Nunes was not an obvious choice to run a fledgling social media network, but after $1.1 billion in losses, the former dairy farmer and congressman is out as the head of Truth Social. Donald Trump Jr., a

Every Atlantic hurricane track, 1980 to 2025

Randal S. Olson @ 2026-04-23 23:00:00

Every Atlantic tropical cyclone from 1980 to 2025 on one map. The shape of the basin and the deadliest storms of 46 seasons emerge from the density.

U.S. oil: from peak importer to net exporter in one decade

Randal S. Olson @ 2026-04-23 23:00:00

The U.S. imported a record 13.7 MMb/d of oil in 2005. By 2025 it exports 2.8 MMb/d more than it imports. Here is what actually changed.

Nilay Patel: ‘Beware Software Brain’

Daring Fireball @ 2026-04-23 22:13:49

Nilay Patel, in a terrific essay (and Decoder one-sider) at The Verge: In fact, the polling on this is so strong, I think it’s fair to say that a lot of people hate AI, and that Gen Z in particular seems to hate AI more and more as they encounter

A thousand springs in Kyoto, in one chart

Randal S. Olson @ 2026-04-23 22:00:00

Kyoto's 1,200-year cherry blossom record shows modern decades hold the earliest cluster of blooms ever seen. A warming signal written in flowers.

Java 17 available on SPARC

C0T0D0S0 @ 2026-04-23 22:00:00

New Java version for Solaris/SPARC

The Public CA clientAuth EKU Sunset: What Apache Software Deployers Need to Know

ASF @ 2026-04-23 21:48:25

By: Jinwoo Hwang, Lead Developer, Project Lead, and Release Manager, Apache Geode 2.0 What Apache Software Deployers Need to Know Before May 2026 Effective May 2026, major public Certificate Authorities (CAs) will stop including the Client Authentication

Eight for Eight

Daring Fireball @ 2026-04-23 21:36:15

Speaking of Chris Espinosa, this is pretty neat: On September 1 I’ll join the elite club (members Steve Wozniak, Steve Jobs, Mike Markkula, and Bill Fernandez) who have worked under a number of Apple CEOs ≥ our employee number: Woz: 1 (Scott) Jobs

Java Weekly, Issue 643

Baeldung @ 2026-04-23 21:26:11

Interesting AI-focused pieces and starting to look forward towards JDK 27. The post Java Weekly, Issue 643 first appeared on Baeldung .              

Schroedingers Honeypot revisited

C0T0D0S0 @ 2026-04-23 21:03:00

Now with even more honey!

130 years of Boston Marathon winning times

Randal S. Olson @ 2026-04-23 21:00:00

John Korir broke a 15-year-old Boston Marathon course record in 2026. The full 1897-2026 arc shows why, and what the women's line has been doing.

Microsoft Offers Voluntary Retirement to Long-Serving Employees

Daring Fireball @ 2026-04-23 19:53:58

Tom Warren, The Verge (gift link): “Many of these employees have spent years, and in some cases, decades, shaping Microsoft into what it is today,” says Microsoft’s HR chief Amy Coleman in a memo seen by The Verge. “For those who may be considering th

Variational subspace methods and application to improving variational Monte Carlo dynamics

Quantum Journal @ 2026-04-23 19:43:51

Quantum 10, 2082 (2026). We present a formalism that allows for the direct manipulation and optimization of subspaces, circumventing the need to optimize individual states when using subspace methods. Using the

Unauthorized Users in Discord Group Had Weekslong Access to Anthropic’s Supposedly-Super-Dangerous Claude Mythos Model

Daring Fireball @ 2026-04-23 19:28:23

Rachel Metz, reporting for Bloomberg: A small group of unauthorized users have accessed Anthropic PBC’s new Mythos AI model, a technology that the company says is so powerful it can enable dangerous cyberattacks, according to a person familiar with th

The Last (and Longest) Mile of Apache Kafka® Migrations: Client Migrations With KCP and Confluent Cloud Gateway

Confluent @ 2026-04-23 17:58:50

Use Confluent’s Kafka Copy Paste (KCP) integration with Gateway to simplify Kafka client migration and reduce your client migration time from weeks to hours.

Approximation to solve an oblique triangle

The Endeavour @ 2026-04-23 17:56:02

The previous post gave a simple and accurate approximation for the smaller angle of a right triangle. Given a right triangle with sides a, b, and c, where a is the shortest side and c is the hypotenuse, the angle opposite side a is approximately in radian

Decoupling Authorization at Scale: MongoDB Atlas and Cedar-Based Resource Policies

AWS Open Source News @ 2026-04-23 17:49:59

As organizations scale applications, managing authorization becomes increasingly complex. What starts as role-based permissions quickly evolves into intricate rules spanning multiple services, regions, and compliance requirements. Traditional approaches of

React Navigation 8.0 Alpha with Native Bottom Tabs, Reworked TypeScript Inference and History

InfoQ @ 2026-04-23 17:36:00

React Navigation has released version 8.0 in alpha, updating its routing library for React Native and web applications. Notable changes include native bottom tabs as the default, enhanced TypeScript inference, and deep linking enabled by default. The upd

Google Introduces Room 3.0: a Kotlin-First, Async, Multiplatform Persistence Library

InfoQ @ 2026-04-23 17:00:00

Room 3.0 is a major update to Android's persistence library that introduces breaking changes in key areas. The new release focuses on modernizing Android persistence layer around Kotlin Multiplatform and expands platform support to include JavaScript and

Fibonacci Waveguide Quantum Electrodynamics

Quantum Journal @ 2026-04-23 16:48:01

Quantum 10, 2081 (2026). Waveguide quantum electrodynamics (QED) provides a powerful framework for engineering quantum interactions, traditionally relying on periodic photonic arrays with continuous energy band

Holonomic quantum computation: a scalable adiabatic architecture

Quantum Journal @ 2026-04-23 16:26:10

Quantum 10, 2080 (2026). Holonomic quantum computation exploits the geometric evolution of eigenspaces of a degenerate Hamiltonian to implement unitary evolution of computational states. In this work we introdu

Another crash caused by uninstaller code injection into Explorer

old new thing @ 2026-04-23 16:00:00

Inadvertently destroying a staircase while standing on it. The post Another crash caused by uninstaller code injection into Explorer appeared first on The Old New Thing .

Grafana Rearchitects Loki with Kafka and Ships a CLI to Bring Observability into Coding Agent

InfoQ @ 2026-04-23 15:00:00

At GrafanaCON 2026 in Barcelona, Grafana Labs announced Grafana 13 with the new Loki Kafka-backed architecture at the ingestion layer and the AI Observability in Grafana Cloud to monitor and evaluate AI systems in real time. In particular, the new CLI ca

Análisis de ajedrez | Perlas de Menorca (II)

Partidas ajedrez El País @ 2026-04-23 14:34:42

Este duelo entre dos niños prodigio de postín pudo acabar con un remate muy brillante de Faustino Oro, pero el reloj lo impidió

Simple approximation for solving a right triangle

The Endeavour @ 2026-04-23 14:13:35

Suppose you have a right triangle with sides a, b, and c, where a is the shortest side and c is the hypotenuse. Then the following approximation from [1] for the angle A opposite side a seems too simple and too accurate to be true. In degrees, A ≈ a 172°

How Observability and Telemetry Can Enhance the Practice of Software Engineering

InfoQ @ 2026-04-23 13:04:00

Observability must evolve with serverless, event-driven architectures. OpenTelemetry can decouple telemetry from vendors, letting developers emit consistent, high-quality data that explains real system behavior. Shared vocabularies and good telemetry mak

Life invisible

AEON @ 2026-04-23 12:01:00

In the Atacama Desert, scientists race to find novel cures for antibiotic-resistant infections, as mining interests encroach - by Aeon Video Watch on Aeon

No nature without fear

AEON @ 2026-04-23 12:00:00

Aldo Leopold saw this in the eyes of a dying wolf: when we no longer fear nature, we are on the road to its destruction - by Shawn Simpson Read on Aeon

Episode 56 “Ask the Architects at JavaOne” [AtA]

Inside Java @ 2026-04-23 02:00:00

In JavaOne 2026's closing session, the audience members asked the Java architects their questions about the state of structured concurrency and Project Babylon, how Java is being developed and what role AI plays in that, and more.

Bridging legacy and cloud-native: A new path with Red Hat OpenShift Dedicated deployed on Google Cloud and Google Cloud NetApp Volume

Red Hat blog @ 2026-04-23 02:00:00

Organizations are facing difficult decisions on choices of how to accelerate cloud-native innovation without sacrificing the stability of existing business critical applications and systems. Red Hat OpenShift Virtualization running on Red Hat OpenShift Ded

DF T-Shirts and Hoodies: Get Them While the Getting Is Good

Daring Fireball @ 2026-04-22 21:38:55

Daring Fireball t-shirts and hoodies are back. Order now, and we’ll start printing shirts at the end of this week and shipping them out next week. The hoodies are a new model from Bella Canvas, the manufacturer. Our previous hoodies were “heather

Libraries were transforming. Then COVID hit.

Randal S. Olson @ 2026-04-22 21:00:00

Two decades of IMLS data show U.S. libraries were successfully pivoting from book warehouses to community hubs. Then the pandemic set the transformation back years.

There Are Corrections, and There Are Corrections

Daring Fireball @ 2026-04-22 20:16:30

The New York Times (gift link): A correction was made on April 21, 2026: Because of an editing error, an earlier version of this article misstated which day the New York Mets suffered their 11th straight loss. It was on Sunday, not Monday. Even the

Ben Thompson on Tim Cook’s Legacy

Daring Fireball @ 2026-04-22 18:35:37

Ben Thompson at Stratechery, “Tim Cook’s Impeccable Timing”: Cook was, without question, an operational genius. Moreover, this was clearly the case even before he scaled the iPhone to unimaginable scale. When Cook joined Apple in 1998 the company’s op

Análisis de ajedrez | Perlas de Menorca (I)

Partidas ajedrez El País @ 2026-04-22 17:12:06

El argentino Sosa, 4º en el prestigioso abierto balear, ganó el premio a la partida más bella con un fulminante y preciso ataque al rey

A Powerful New ‘QR Code’ Untangles Math’s Knottiest Knots

Quanta Magazine @ 2026-04-22 16:49:47

With a newly discovered mathematical tool, researchers are hoping to gain unprecedented insight into the structure of complex knots. The post A Powerful New ‘QR Code’ Untangles Math’s Knottiest Knots first appeared on Quanta Magazine

Rabin has just passed away

Gödel's Lost Letter and P=NP @ 2026-04-22 16:27:43

Rabin has sadly just passed away at 94. This is a short piece on honoring him immediately. More is planned for the future. His work has touched key areas of mathematics as well as central areas of computer theory. Without his work theory would be completel

Dropbox Collaborates with GitHub to Reduce Monorepo Size from 87GB to 20GB

InfoQ @ 2026-04-22 16:14:00

Dropbox reduced its backend monorepo from 87GB to 20GB by optimizing Git delta compression in collaboration with GitHub. The changes improved clone times, CI performance, and developer velocity, highlighting how repository storage inefficiencies can impa

Mapping the page tables into memory via the page tables

old new thing @ 2026-04-22 16:00:00

So-called "fractal page mapping". The post Mapping the page tables into memory via the page tables appeared first on The Old New Thing .

Michael Rabin Passed Away on April 14, 2026, at the age of 94

Computational Complexity @ 2026-04-22 14:55:00

Michael Rabin passed away on April 14, 2026 at the age of 94.  (Scott Aaronson has also blogged about his passing, see   here .)  I had many points to make about him; however, the first one got so long that I will just do that one fo

High-Quality Chaos

daniel.haxx.se @ 2026-04-22 13:44:40

As I have been preparing slides for my coming talk at foss-north on April 28, 2026 I figured I could take the opportunity and share a glimpse of the current reality here on my blog. The high quality chaos era, as I call it. No more AI slop I complained and

Butterfly (Papillon)

AEON @ 2026-04-22 12:01:00

Crafting each frame by hand, an animator paints the story of an Olympic swimmer’s return after surviving the Holocaust - by Aeon Video Watch on Aeon

Cloudflare Sandboxes Reach General Availability, Giving AI Agents Persistent Isolated Environments

InfoQ @ 2026-04-22 12:00:00

Cloudflare has released Sandboxes and Containers into general availability, providing persistent isolated Linux environments for AI agent workloads. New capabilities include secure credential injection via egress proxy, PTY terminal support, persistent c

Cloudflare Outlines MCP Architecture as Enterprises Confront Security and Governance Risks

InfoQ @ 2026-04-22 09:38:00

Cloudflare has outlined a reference architecture for scaling Model Context Protocol (MCP) deployments across the enterprise, positioning centralized governance, remote server infrastructure, and cost controls as key requirements for production-ready agen

Importing p7b File to Java Keystore Using Keytool in Java

Baeldung @ 2026-04-22 07:02:48

Explore how keytool works with certificate bundles in the p7b format. The post Importing p7b File to Java Keystore Using Keytool in Java first appeared on Baeldung .              

Introduction to Spring Data AOT Repositories

Baeldung @ 2026-04-22 06:19:23

Explore Spring Data AOT Repositories using a simple UserRepository class to demonstrate how Spring Data Repositories worked before and what changes exactly this new feature introduced. The post Introduction to Spring Data AOT Repositories first appear

Convert IPv4 to IPv6 Address in Java

Baeldung @ 2026-04-22 06:14:40

Learn how to use Java for converting between IPv4 and IPv6 addresses. The post Convert IPv4 to IPv6 Address in Java first appeared on Baeldung .              

This Week in Rust 648

This Week in Rust @ 2026-04-22 06:00:00

Hello and welcome to another issue of This Week in Rust ! Rust is a programming language empowering everyone to build reliable and efficient software. This is a weekly summary of its progress and community. Want something mentioned? Tag us at @thiswee

[Sponsor] Rec League

Daring Fireball @ 2026-04-22 05:03:18

Rec League is a new app for sharing what you’re into. Catalog recommendations into tidy collections: your guide to Rome, your open tabs, your bookshelf. Follow people whose perspectives you trust, and discover brilliant, unexpected intel. Recently feature

The subject matter expert advantage in the AI era

Red Hat blog @ 2026-04-22 02:00:00

You have probably heard the narrative by now: AI is coming for your job. Headlines suggest that entire professions will soon disappear, replaced by increasingly capable models that can analyze, code, write, and reason faster than any human. But is that rea

Red Hat Performance and Scale Engineering

Red Hat blog @ 2026-04-22 02:00:00

Red Hat's most recent posts about Performance, Scale, Chaos and more.LATEST BLOGSPerformance improvements with speculative decoding in vLLM for gpt-ossApril 16, 2026 Harshith UmeshEvery millisecond of GPU latency is a drain on your enterprise AI budget. W

5 reasons to go with your team to Red Hat Summit 2026

Red Hat blog @ 2026-04-22 02:00:00

You no doubt have a limited budget and a lot of choices about what industry events to attend—but bringing your whole team to Red Hat Summit 2026 will deliver big benefits. Many organizations came to last year's Red Hat Summit with both decision makers and

Deploying cloud-based engineering workbenches with the Virtual Engineering Workbench on AWS

AWS Open Source News @ 2026-04-21 23:38:49

Introduction Organizations in automotive, manufacturing, and embedded systems increasingly rely on cloud-based development environments to reduce hardware dependency and accelerate software delivery. As vehicle architectures shift toward software-defined p

An AI Odyssey, Part 4: Astounding Coding Agents

The Endeavour @ 2026-04-21 22:14:40

AI coding agents improved greatly last summer, and again last December-January. Here are my experiences since my last post on the subject. The models feel subjectively much smarter. They can accomplish a much broader range of tasks. They seem to have a la

Scientists Revive Failing Cells With Mitochondria Transplants

Singularity Hub @ 2026-04-21 22:08:48

A new tool that tethers healthy mitochondria to ailing cells has shown promise in mice with inherited blindness. The post Scientists Revive Failing Cells With Mitochondria Transplants appeared first on SingularityHub .

Trump on Tim Apple

Daring Fireball @ 2026-04-21 21:17:34

The president of the United States, on his blog this morning (all capitalization, punctuation, and missing/wrong words verbatim): I have always been a big fan of Tim Cook, and likewise, Steve Jobs, but if Steve was not taken from the Planet Earth so y

ASF Plus One Newsletter: April 2026

ASF @ 2026-04-21 19:06:59

From the people who power the community to the programs shaping its future, this month’s Plus One issue highlights what keeps The ASF thriving. Meet Jean-Baptiste Onofré in the new Plus One People series, and see how mentorship at OpenSource4You in Taiwan

pnpm 11 Release Candidate: ESM Distribution, Supply Chain Defaults and a New Store Format

InfoQ @ 2026-04-21 18:00:00

pnpm 11 RC has been released, featuring significant changes in performance, security, and configuration. Key updates include an SQLite-backed store index, tighter security defaults, and a consolidated build script setting. It now requires Node.js v22 or

Análisis de ajedrez | El asombroso Erdogmus, de 14 años

Partidas ajedrez El País @ 2026-04-21 17:36:13

La profundidad de conceptos y cálculo del más joven de la historia en pasar de los 2.700 puntos Elo lo perfila como una estrella

Lessons from Log4Shell: Building a CRA-Ready Log4j

ASF @ 2026-04-21 17:36:11

By: Piotr P. Karwasz, VP Logging, Apache Software Foundation The disclosure of Log4Shell (CVE-2021-44228) on December 9, 2021 did not just expose a vulnerability: it exposed a way of building software that was no longer fit for purpose, and it helped brin

Partnering with industry leaders to accelerate AI transformation

Deepmind @ 2026-04-21 16:54:15

Google DeepMind partners with global consultancies to bring the power of frontier AI to organizations around the world.

Anthropic Introduces Managed Agents to Simplify AI Agent Deployment

InfoQ @ 2026-04-21 16:36:00

Anthropic introduces Managed Agents on Claude, a managed execution layer for agent-based workflows. It separates agent logic from runtime concerns like orchestration, sandboxing, state management, and credentials. The system supports long-running multi-s

Fragments: April 21

Martin Fowler @ 2026-04-21 16:34:00

Last week Thoughtworks released the 34th volume of our Technology Radar . This radar is our biannual survey of our experience of the technology scene, highlighting tools, techniques, platforms, and languages that we’ve used or otherwise caught our eye. T

Slack Rebuilds Notification System, Reports 5X Increase in Settings Engagement

InfoQ @ 2026-04-21 16:05:00

Slack has rebuilt its notification system with a unified architecture that separates activity from delivery, improving consistency across platforms. The redesign simplifies preferences, preserves legacy settings through transformation, and resulted in a

Sure, xor’ing a register with itself is the idiom for zeroing it out, but why not sub?

old new thing @ 2026-04-21 16:00:00

Somehow xor became the most popular version. The post Sure, xor’ing a register with itself is the idiom for zeroing it out, but why not sub? appeared first on The Old New Thing .

Kotlin Professional Certificate by JetBrains – Now on LinkedIn Learning

Kotlin Blog @ 2026-04-21 15:21:36

JetBrains has partnered with LinkedIn Learning to offer the Kotlin Professional Certificate. This is a structured learning path that covers the full scope of modern software development – from Kotlin essentials all the way to building full-stack, multiplat

Kotlin Professional Certificate by JetBrains – Now on LinkedIn Learning

Kotlin news @ 2026-04-21 15:21:36

JetBrains has partnered with LinkedIn Learning to offer the Kotlin Professional Certificate. This is a structured learning path that covers the full scope of modern software development – from Kotlin essentials all the way to building full-stack, multiplat

State preparation with parallel-sequential circuits

Quantum Journal @ 2026-04-21 14:04:45

Quantum 10, 2079 (2026). We introduce parallel-sequential (PS) circuits, a family of quantum circuit layouts that interpolate between brickwall and sequential circuits, which introduces control parameters gover

GitHub Acknowledges Recent Outages, Cites Scaling Challenges and Architectural Weaknesses

InfoQ @ 2026-04-21 14:00:00

GitHub has publicly addressed a series of recent availability and performance issues that disrupted services across its platform, attributing the incidents to rapid growth, architectural coupling, and limitations in handling system load. By Craig Risi

Estimating the best separable approximation of non-pure spin-squeezed states

Quantum Journal @ 2026-04-21 13:40:29

Quantum 10, 2078 (2026). We discuss the estimation of the distance of a given mixed many-body quantum state to the set of fully separable states, applied to the concrete scenario of collective spin states. Conc

Resource-theoretic hierarchy of contextuality for general probabilistic theories

Quantum Journal @ 2026-04-21 12:27:22

Quantum 10, 2077 (2026). In this work we present a hierarchy of generalized contextuality. It refines the traditional binary distinction between contextual and noncontextual theories, and facilitates their comp

Justice is geometric

AEON @ 2026-04-21 12:00:00

Where centralised societies excel at extraction, African fractal systems allow for circulation, reciprocity and return - by Likam Kyanzaire Read on Aeon

Elevating Variational Quantum Semidefinite Programs for Polynomial Objectives

Quantum Journal @ 2026-04-21 11:40:29

Quantum 10, 2076 (2026). Many practically important NP-hard optimization problems are inherently higher-order polynomial optimizations, which are typically addressed using approximation algorithms. Classical re

Comparing the performance of practical two-qubit gates for individual $^{171}$Yb ions in yttrium orthovanadate

Quantum Journal @ 2026-04-21 10:39:26

Quantum 10, 2075 (2026). In this paper, we investigate three schemes for implementing Controlled-Z (CZ) gates between individual ytterbium (Yb) rare-earth ions doped into yttrium orthovanadate (YVO$_4$ or YVO).

La diferencia de impedancia entre dos redes sociales

brucknerite @ 2026-04-21 10:00:00

A «nivel usuario», entre Mastodón y Bluesky no hay demasiada diferencia. Sin embargo, comunicarse entre ambas redes, aunque posible, viene con una serie de condicionantes que se parecen mucho al desacoplamiento de impedancia entre redes de componentes elec

★ Another Day Has Come

Daring Fireball @ 2026-04-21 05:59:41

If you agree that Apple itself was It’s hard to imagine a more orderly, confidence-inspiring, exciting-but-not-at-all-surprising, this-feels-right way to do this.

Quality Outreach Heads-up - JDK 27: Obsolete Translation Resources Removed

Inside Java @ 2026-04-21 02:00:00

This Heads-Up is part of the regular communication sent to the projects involved; it covers the removal of obsolete translation resources in JDK 27.

DF Paraphernalia: T-Shirts and Hoodies Are Back

Daring Fireball @ 2026-04-20 23:38:00

Daring Fireball t-shirts and hoodies are back. Order now, and we’ll start printing shirts at the end of this week and shipping them out next week. Go ahead and place your order now, while I gather my thoughts about today’s Apple leadership news

‘Community Letter From Tim’

Daring Fireball @ 2026-04-20 23:37:22

Tim Cook, in a letter addressed, simply, “To the Apple community”: For the past 15 years I’ve started just about every morning the same way. I open my email and I read notes I received the day before from Apple’s users all over the world. You share

Apple: ‘Tim Cook to Become Apple Executive Chairman; John Ternus to Become Apple CEO’

Daring Fireball @ 2026-04-20 22:44:58

Apple Newsroom, with a veritable “boom”: Apple announced that Tim Cook will become executive chairman of Apple’s board of directors and John Ternus, senior vice president of Hardware Engineering, will become Apple’s next chief executive officer effect

Printed Neurons That Mimic Brain Cells Could Slash AI’s Energy Bill

Singularity Hub @ 2026-04-20 21:38:06

New artificial neurons fire so realistically they can activate living brain cells in mouse tissue. The post Printed Neurons That Mimic Brain Cells Could Slash AI’s Energy Bill appeared first on SingularityHub .

Apple’s Annual Environmental Progress Report

Daring Fireball @ 2026-04-20 19:09:30

Apple Newsroom: In its annual Environmental Progress Report released today, Apple marked progress toward Apple 2030, the company’s ambitious goal to be carbon neutral across its entire footprint by the end of this decade. Apple’s greenhouse gas emis

Análisis de ajedrez | Barceló, de 9 años, logra su 4ª medalla en cuatro meses

Partidas ajedrez El País @ 2026-04-20 19:03:03

El español gana la plata en el Mundial Relámpago sub-10 tres días después del oro en el Mundial Rápido

Announcing Daniel Ruggeri as Executive Vice President of the Apache Software Foundation

ASF @ 2026-04-20 18:15:20

The Apache Software Foundation (ASF) has appointed Daniel Ruggeri to be the new Executive Vice President (EVP) of The ASF. A History of Contribution Daniel’s journey with The ASF began with a practical necessity: fixing a problem he encountered at work. W

AWS Weekly Roundup: Claude Opus 4.7 in Amazon Bedrock, AWS Interconnect GA, and more (April 20, 2026)

AWS Blog @ 2026-04-20 17:53:21

Claude Opus 4.7 arrives in Amazon Bedrock with improved agentic coding and a 1M token context window. AWS Interconnect reaches general availability with multicloud private connectivity and a new last-mile option. Plus, post-quantum TLS for Secrets Manager,

Cleaning Up Critical Infrastructure in FreeBSD

FreeBSD Foundation @ 2026-04-20 17:02:08

Open source infrastructure depends on more than new features. It also depends on the steady, often unseen work of identifying risks, improving processes, and making systems easier to maintain over time. That is exactly what the Beach Cleaning Project set

What Physical ‘Life Force’ Turns Biology’s Wheels?

Quanta Magazine @ 2026-04-20 17:00:16

The bacterial flagellar motor is finally understood after 50 years. In its workings, columnist Natalie Wolchover finds the essence of life. The post What Physical ‘Life Force’ Turns Biology’s Wheels? first appeared on Quanta Magazine

Helping Decision-Makers Say Yes to Kotlin Multiplatform (KMP)

Kotlin Blog @ 2026-04-20 16:39:57

This post was written by external contributors from Touchlab. KMP is a strategic platform In the current competitive landscape, the traditional mobile development model characterized by maintaining independent, duplicated codebases for iOS and Android is n

Helping Decision-Makers Say Yes to Kotlin Multiplatform (KMP)

Kotlin news @ 2026-04-20 16:39:57

This post was written by external contributors from Touchlab. KMP is a strategic platform In the current competitive landscape, the traditional mobile development model characterized by maintaining independent, duplicated codebases for iOS and Android is n

How did code handle 24-bit-per-pixel formats when using video cards with bank-switched memory?

old new thing @ 2026-04-20 16:00:00

You still have to use aligned accesses, even though the pixels might not be aligned. The post How did code handle 24-bit-per-pixel formats when using video cards with bank-switched memory? appeared first on The Old New Thing .

More on Newton’s diameter theorem

The Endeavour @ 2026-04-20 15:50:33

A few days ago I wrote a post on Newton’s diameter theorem. The theorem says to plot the curve formed by the solutions to f(x, y) = 0 where f is a polynomial in x and y of degree n. Next plot several parallel lines that cross the curve at n points a

The engineering method

AEON @ 2026-04-20 12:01:00

How humans built beautiful, lasting structures without science or mathematics, using only engineering rules of thumb - by Aeon Video Watch on Aeon

Fuel for thought

AEON @ 2026-04-20 12:00:00

A brain fit for the 21st century is one that understands – and respects – its own bioenergetic foundations - by Hannah Critchlow Read on Aeon

Quantum recurrences and the arithmetic of Floquet dynamics

Quantum Journal @ 2026-04-20 10:38:15

Quantum 10, 2074 (2026). The Poincaré recurrence theorem shows that conservative systems in a bounded region of phase space eventually return arbitrarily close to their initial state after a finite amount of ti

Caer con estilo

brucknerite @ 2026-04-20 10:00:00

La degradación gradual o controlada es una técnica de diseño empleada frecuentemente en ingeniería cuando se desea proteger la función principal del sistema a expensas de otras, consideradas secundarias. Pero ¿se usa en todos los casos en los que se deberí

Fly swatter

C0T0D0S0 @ 2026-04-20 08:45:00

New approach to block potentially malicious requests with less collateral damage

Jessica Chastain Says Apple TV Will Finally Release ‘The Savant’

Daring Fireball @ 2026-04-19 20:51:43

Marc Malkin, Variety: Jessica Chastain says Apple TV is finally going to release her political thriller series “The Savant.” [...] “Before it was like, ‘I don’t know if we’re going to see it,’ but now I can say, ‘We’re going to see it,’” Chastain to