Noticias

Esta sección agrega varias fuentes Atom/RSS que me interesan. Se actualiza automáticamente de vez en cuando.

China's CATL Reveals 621-Mile EV Battery, Under-7-Minute Charging

slashdot @ 2026-04-22 18:00:00

CATL unveiled a new wave of EV battery tech, "including a lighter battery pack rated for a 1,000-km (621-mile) driving range and an upgraded fast-charging battery that can go from 10 percent to 98 percent in under seven minutes," reports Interesting Engine

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

Pentagon Wants $54 Billion For Drones

slashdot @ 2026-04-22 17:00:00

An anonymous reader quotes a report from Ars Technica: The US military's massive $1.5 trillion budget request for the next fiscal year includes what Pentagon officials described as the largest investment in drone warfare and counter-drone technology in US

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

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

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

Our eighth generation TPUs: two chips for the agentic era

Hacker News 200 @ 2026-04-22 14:15:29

Comments URL: Points: 215 # Comments: 112

GitHub CLI now collects pseudoanonymous telemetry

Hacker News 200 @ 2026-04-22 13:58:58

Article URL: Comments URL: Points: 240 # Comments: 184

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

Mars Rover Detects Never-Before-Seen Organic Compounds In New Experiment

slashdot @ 2026-04-22 13:00:00

NASA's Curiosity rover has identified a diverse set of organic molecules on Mars, including a nitrogen-bearing compound similar in structure to DNA precursors. The finding strengthens the case that ancient organic material can survive in the Martian subsur

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

Windows 9x Subsystem for Linux

Hacker News 200 @ 2026-04-22 11:52:52

Article URL: Comments URL: Points: 590 # Comments: 147

Irony as Meta staff unhappy about running surveillance software on work PCs

Hacker News 200 @ 2026-04-22 10:33:17

Article URL: Comments URL: Points: 202 # Comments: 152

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

FBI Looks Into Dead or Missing Scientists Tied To Sensitive US Research

slashdot @ 2026-04-22 09:00:00

Federal authorities are now reviewing a string of deaths and disappearances involving scientists tied to sensitive U.S. aerospace and nuclear work, though officials have not established any confirmed link between the cases. The FBI says it "is spearheading

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 .              

SpaceX Strikes Deal With Coding Startup Cursor For $60 Billion

slashdot @ 2026-04-22 05:30:00

An anonymous reader quotes a report from the New York Times: SpaceX, Elon Musk's rocket and satellite company, said on Tuesday that it had struck a deal with the artificial intelligence start-up Cursor that could result in its acquiring the young company f

[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

FBI looks into dead or missing scientists tied to NASA, Blue Origin, SpaceX

Hacker News 200 @ 2026-04-22 04:49:40

Article URL: Comments URL: Points: 203 # Comments: 118

San Diego rents declined following surge in supply

Hacker News 200 @ 2026-04-22 03:21:09

Article URL: Comments URL: Points: 205 # Comments: 210

Tell HN: I'm sick of AI everything

Hacker News 200 @ 2026-04-22 03:19:30

A while back, I stopped using Facebook because I just couldn't take it anymore. Just totally sick of it. I'm honestly getting there with AI. At this point, I would prefer to have anything AI related just be blocked at the browser level. Comments URL:

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

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

Drunk post: Things I've learned as a senior engineer (2021)

Hacker News 200 @ 2026-04-22 01:53:45

Article URL: Comments URL: Points: 249 # Comments: 181

Florida Launches Criminal Investigation Into ChatGPT Over School Shooting

slashdot @ 2026-04-22 01:00:00

Florida's attorney general has launched a criminal investigation into OpenAI over allegations that the accused gunman in a shooting at Florida State University last year used ChatGPT to help plan the attack. OpenAI says the chatbot is "not responsible for

Claude Code to be removed from Pro Tier?

Hacker News 200 @ 2026-04-22 00:36:24

Comments URL: Points: 264 # Comments: 2

SpaceX says it has agreement to acquire Cursor for $60B

Hacker News 200 @ 2026-04-22 00:13:18

( ) Comments URL:

Mozilla Uses Anthropic's Mythos To Fix 271 Bugs In Firefox

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

BrianFagioli writes: Mozilla says it used an early version of Anthropic's Claude Mythos Preview to comb through Firefox's code, and the results were hard to ignore. In Firefox 150, the team fixed 271 vulnerabilities identified during this effort, a number

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

Claude Code to be removed from Anthropic's Pro plan?

Hacker News 200 @ 2026-04-21 23:03:04

Comments URL: Points: 621 # Comments: 596

Framework Laptop 13 Pro Is a Major Overhaul For the Modular, Upgradeable Laptop

slashdot @ 2026-04-21 23:00:00

An anonymous reader quotes a report from Ars Technica: Framework has been selling and shipping its modular, repairable, upgradable Laptop 13 for five years now, and in that time, it has released six distinct versions of its system board, each using fresh v

I don't want your PRs anymore

Hacker News 200 @ 2026-04-21 22:21:40

Article URL: Comments URL: Points: 228 # Comments: 135

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 .

Job Cuts Driven By AI Are Rising On Wall Street

slashdot @ 2026-04-21 22:00:00

Firms like Bank of America, Citi, Wells Fargo, and others are reporting strong profits while reducing head count and automating more work. "All of them credited A.I. to some degree ... in areas ranging from the so-called back office, where tens of thousand

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

Meta To Start Capturing Employee Mouse Movements, Keystrokes For AI Training Data

slashdot @ 2026-04-21 21:00:00

Reuters reports that Meta plans to start collecting U.S.-based employees' mouse movements, clicks, keystrokes, and occasional screen snapshots to train AI agents that can better learn how humans use computers. The tool, called Model Capability Initiative (

ChatGPT Images 2.0

Hacker News 200 @ 2026-04-21 20:50:00

Livestream: System card: Comments URL: Points: 961 # Comments: 842

Framework Laptop 13 Pro

Hacker News 200 @ 2026-04-21 20:00:34

Article URL: Comments URL: Points: 1392 # Comments: 706

Google's Internal Politics Leave It Playing Catch-Up On AI Coding

slashdot @ 2026-04-21 20:00:00

An anonymous reader quotes a report from Bloomberg: At Google, leaders are anxious about falling behind in the race to offer AI coding tools, especially as rivals like Anthropic PBC offer more effective and popular tools to businesses, according to people

Cal.diy: open-source community edition of cal.com

Hacker News 200 @ 2026-04-21 19:58:21

Article URL: Comments URL: Points: 242 # Comments: 59

Meta to start capturing employee mouse movements, keystrokes for AI training

Hacker News 200 @ 2026-04-21 19:40:39

Alt link: Comments URL: Points: 735 # Comments: 489

Britannica11.org – a structured edition of the 1911 Encyclopædia Britannica

Hacker News 200 @ 2026-04-21 19:33:50

Article URL: Comments URL: Points: 332 # Comments: 108

The Vercel breach: OAuth attack exposes risk in platform environment variables

Hacker News 200 @ 2026-04-21 19:14:35

Vercel April 2026 security incident - - April 2026 (485 comments) A Roblox cheat and one AI tool brought down Vercel's platform - - April 2026 (145 commen

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

Xbox Game Pass Ultimate Gets a Price Cut

slashdot @ 2026-04-21 19:00:00

Microsoft is cutting the monthly price of Xbox Game Pass Ultimate and PC Game Pass, but the tradeoff is that new Call of Duty releases will no longer arrive on the service at launch. Instead, they'll show up about a year later. The Verge reports: After Xbo

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

Global Growth In Solar 'the Largest Ever Observed For Any Source'

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

The IEA says 2025 marked a turning point for global energy, with solar posting the largest growth ever seen for any energy source and helping carbon-free power outpace rising demand. The trend led the agency to declare that the world has entered the "Age o

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

Original GrapheneOS responses to WIRED fact checker

Hacker News 200 @ 2026-04-21 17:04:24

Article URL: Comments URL: Points: 255 # Comments: 223

Maryland Becomes First State To Pass Bill Banning 'Surveillance Pricing'

slashdot @ 2026-04-21 17:00:00

An anonymous reader quotes a report from Denver7: Maryland is poised to become the first state in the country to ban "surveillance pricing." The practice refers to companies using a shopper's personal data, such as browsing history, location, or purchasing

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

Brands got worse on purpose

Hacker News 200 @ 2026-04-21 16:19:49

Article URL: Comments URL: Points: 225 # Comments: 171

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

Amazon To Invest Up To Another $25 Billion In Anthropic

slashdot @ 2026-04-21 13:00:00

Amazon is expanding its Anthropic partnership with a deal to invest up to another $25 billion, while Anthropic commits to spending more than $100 billion on AWS infrastructure over the next decade to power Claude. "Anthropic's commitment to run its large l

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.

Cloudflare Introduces Project Think: A Durable Runtime for AI Agents

InfoQ @ 2026-04-21 04:34:00

Cloudflare's Project Think introduces a new framework for AI agents, shifting from stateless orchestration to a durable actor-based infrastructure. It features a kernel-like runtime enabling agents to manage memory and run code securely. Innovations incl

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.

Unlock enterprise-ready, secure AI with Red Hat Lightspeed Agent for Google Cloud

Red Hat blog @ 2026-04-21 02:00:00

As enterprise IT enters the era of autonomous workflows, we are excited to introduce the Red Hat Lightspeed Agent for Google Cloud, now available on the Google Cloud Marketplace.The Red Hat Lightspeed Agent for Google Cloud is an enterprise-ready tool desi

The Open Accelerator joins the Google for Startups Cloud Program to empower the next generation of innovators

Red Hat blog @ 2026-04-21 02:00:00

In the tech world, we often talk about the "next big thing." But as I’ve shared before, real innovation isn’t just about the initial spark of an idea; it’s about the collective effort required to move that idea from a research lab into a resilient, product

Open source transparency defines the future of sovereign AI in Europe

Red Hat blog @ 2026-04-21 02:00:00

In early 2025, I wrote that uncertain times call for greater operational control and IT resiliency. Today, those uncertainties have materialized into a permanent shift in how European organizations view their digital future. By moving AI from the sandbox t

Now generally available: Red Hat Confirmed Sovereign Support drives digital autonomy for global enterprise

Red Hat blog @ 2026-04-21 02:00:00

Geopolitical shifts and evolving regulatory frameworks like the EU AI Act, the NIS2 Directive, and the Digital Operational Resilience Act (DORA) continue to redefine the landscape for global enterprises. This has shifted digital sovereignty from an abstrac

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

Designing Memory for AI Agents: Inside Linkedin’s Cognitive Memory Agent

InfoQ @ 2026-04-20 16:59:00

LinkedIn introduces Cognitive Memory Agent (CMA), generative AI infrastructure layer enabling stateful, context-aware systems. It provides persistent memory across episodic, semantic, and procedural layers, supporting multi-agent coordination, retrieval

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

Pretext.js Bypasses DOM Layout Reflow, Enabling Advanced UX Patterns at 120 FPS

InfoQ @ 2026-04-20 14:59:00

Cheng Lou, a Midjourney engineer, recently released Pretext, a 15KB open-source TypeScript library that measures and lays out text without browser layout reflows, enabling advanced UX/UI patterns like infinite lists, masonry layouts, and scroll position

Subagents in Gemini CLI Enable Task Delegation and Parallel Agent Workflows

InfoQ @ 2026-04-20 14:26:00

Google has introduced subagents in Gemini CLI, a new capability designed to help developers delegate complex or repetitive tasks to specialized AI agents operating alongside a primary session. By Robert Krzaczyński

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

Google ADK for Java 1.0 Introduces New App and Plugin Architecture, External Tools Support, and More

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

Google's Agent Development Kit for Java reached 1.0, introducing integrations with new external tools, a new app and plugin architecture, advanced context engineering, human-in-the-loop workflows, and more. By Sergio De Simone

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

Java News Roundup: OpenJDK JEPs, Jakarta EE 12, Spring Framework, Micrometer, Camel, JBang

InfoQ @ 2026-04-20 04:30:00

This week's Java roundup for April 13th, 2026, features news highlighting: new OpenJDK JEPs; point releases of Apache Grails, Apache Camel and JBang; maintenances of Spring Framework that include resolutions to CVEs; first release candidates of Spring Da

The power shift: Why the future of the electric grid will be software-defined

Red Hat blog @ 2026-04-20 02:00:00

Continue the grid modernization conversation at Red Hat Summit OT automation, industrial safety, predictive MLOps and more… The electric grid is no longer just a feat of physics and copper; it’s becoming a sophisticated data engine. For decades, substation

Proving open source is ready for the industrial edge

Red Hat blog @ 2026-04-20 02:00:00

For years, the industrial sector has operated under the assumption that the core of a factory, the real-time control system, must remain a locked, proprietary environment. We've often accepted these restricted systems as a requirement for the deterministic

Integrating Red Hat Lightspeed with CrowdStrike for enhanced malware detection coverage

Red Hat blog @ 2026-04-20 02:00:00

Today’s cybersecurity teams need proactive defense mechanisms to meet modern threats as the threat landscape continues to evolve and change. We're excited to announce a significant advancement for our customers: the integration of Red Hat Lightspeed with C

From RAG to agentic AI: When models stop answering and start acting

Red Hat blog @ 2026-04-20 02:00:00

Retrieval-augmented generation (RAG) gave AI a memory. Agents give it a job description. This captures where enterprise AI is today—the first wave focused on helping models say the right thing, but the next wave is about helping systems do the right thing.

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

WorkOS FGA: The Authorization Layer for AI Agents

Daring Fireball @ 2026-04-19 19:37:01

My thanks to WorkOS for sponsoring last week at DF. Every AI agent demo looks magical, but most hit a wall in enterprise deployment. It’s not model quality or latency. It’s authorization. Authentication proves an agent’s identity. Authorization defines it

Análisis de ajedrez | Antón cae del podio del Europeo cuando aspiraba al oro

Partidas ajedrez El País @ 2026-04-19 18:55:19

Tras un torneo magnífico, que incluye esta victoria muy brillante, el español perdió en la última ronda

Google’s Aletheia Advances the State of the Art of Fully Autonomous Agentic Math Research

InfoQ @ 2026-04-19 06:38:00

Google announced Aletheia, an AI using Gemini 3 Deep Think that solved 6/10 novel math problems in the FirstProof challenge. Aletheia also scored ~91.9% on IMO-ProofBench, signaling a significant shift in automated research-level proof discovery without

How the JVM Optimizes Generic Code

Inside Java @ 2026-04-19 02:00:00

This video explores generics, JVM internals, and the road to Valhalla generics...

Podcast CB SyR 554: Inocentadas de 1 de abril, marcas auriñacienses, señales SETI y transporte de antimateria

La Ciencia de la Mula Francis @ 2026-04-18 21:05:05

Te recomiendo disfrutar del episodio 554 del podcast Coffee Break: Señal y Ruido [iVoox A, iVoox B], titulado “Papers de Broma; Signos; Memristores; SETI; Antimateria”, 16 abr 2026. «La tertulia semanal en la que […] La entrada Podcast CB SyR 554

★ ‘A Reading Room on Wheels, a Lover’s Lane, and, After 11 PM, a Flophouse’

Daring Fireball @ 2026-04-18 19:52:56

Photos from the New York Subway in the 1940s, by teenage Stanley Kubrick.

Marc Barceló gana el Mundial Rápido sub-10

Partidas ajedrez El País @ 2026-04-18 19:19:25

El español, aún con 9 años, sigue engrosando su lista de grandes éxitos con la resiliencia como principal virtud

Mac Mini and Mac Studio Supply Shortages

Daring Fireball @ 2026-04-18 18:48:37

Nicole Nguyen, writing for The Wall Street Journal (gift link): Mac Minis with larger-capacity RAM chips — a base M4 model with 32GB of RAM, starting at $999, and the M4 Pro models with 64GB of RAM, starting at $1,999 — are “currently unavailable” on

Gaussian distributed weights for LLMs

The Endeavour @ 2026-04-18 16:49:27

The previous post looked at the FP4 4-bit floating point format. This post will look at another 4-bit floating point format, NF4, and higher precision analogs. NF4 and FP4 are common bitsandbytes 4-bit data types. If you download LLM weights from Hugging

This Week’s Awesome Tech Stories From Around the Web (Through April 18)

Singularity Hub @ 2026-04-18 16:00:00

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 18) appeared first on SingularityHub .

AWS Announces General Availability of DevOps Agent for Automated Incident Investigation

InfoQ @ 2026-04-18 13:31:00

AWS has announced the general availability of DevOps Agent, a generative AI–powered assistant designed to help developers and operators troubleshoot issues, analyze deployments, and automate operational tasks across AWS environments. By Renato Losio

4-bit floating point FP4

The Endeavour @ 2026-04-18 03:08:54

In ancient times, floating point numbers were stored in 32 bits. Then somewhere along the way 64 bits became standard. The C programming language retains the ancient lore, using float to refer to a 32-bit floating point number and double to refer to a flo

Apple’s Developer Guidelines for Ratings and Review Prompts

Daring Fireball @ 2026-04-18 02:43:35

Apple Design: Avoid pestering people. Repeated rating requests can be irritating, and may even negatively influence people’s opinion of your app. Consider allowing at least a week or two between requests, prompting again after people demonstrate add

Follow-Up Regarding App Store Reviews, Which Are Definitely Busted

Daring Fireball @ 2026-04-18 02:31:16

I wrote yesterday: And the apps that do the right thing — like Godier’s Current  — and never solicit a review like a needy hustler are penalized. On Mastodon, Steven Troughton-Smith responded : Review prompts are the difference between a gre

Norwegian Man Cured of HIV by His Brother’s Stem Cells

Singularity Hub @ 2026-04-18 00:44:39

Fewer than 10 people worldwide have eradicated the virus with stem cells. But this case was special—no one knew his brother's cells carried a protective mutation until transplant day. The post Norwegian Man Cured of HIV by His Brother’s Stem Cell

AsiaBSDCon 2026 Trip Report – Saikeo

FreeBSD Foundation @ 2026-04-18 00:06:41

I was fortunate to receive travel sponsorship from the FreeBSD Foundation to attend the AsiaBSDCon 2026 conference and the FreeBSD Developer Summit in Taipei. The event was held over four days at the National Taiwan Normal University from March 19–22, 202

Schroedingers Honeypot

C0T0D0S0 @ 2026-04-17 21:03:00

How to use Fail2Ban to block potentially malicious requests and still reduce logging of PII

Au revoir: Day 5 of TED2026

TED Blog @ 2026-04-17 21:00:10

After 11 extraordinary years in Vancouver, TED’s time in our beloved British Columbia conference home is up. To celebrate the final day of TED2026, thinkers, doers and legends — mainstays of the TED community and newcomers alike — came together to cr

Análisis de ajedrez | El pundonor de Caruana

Partidas ajedrez El País @ 2026-04-17 19:28:33

El estadounidense luchó hasta la última ronda, donde firmó esta partida modélica, a pesar de que ya estaba descartado varios días antes

Wick Rotating Spinors and Twistors

Not Even Wrong @ 2026-04-17 18:22:37

A couple weeks ago I gave at talk in Marseille on the general topic of Wick Rotating Spinors and Twistors. I’ll make a few comments here on the content of the slides. The idea of the talk was to explain … Continue reading →

Quantum ‘Jamming’ Explores the Truly Fundamental Principles of Nature

Quanta Magazine @ 2026-04-17 16:25:21

Some quantum cryptographers want to find ways to keep messages secret even if the rules of quantum mechanics don’t hold. The recently rediscovered idea of quantum jamming complicates things. The post Quantum ‘Jamming’ Explores the Truly Fundam

Forgotten message from the past: LB_INIT­STORAGE

old new thing @ 2026-04-17 16:00:00

Preallocating memory to avoid quadratic behavior. The post Forgotten message from the past: <CODE>LB_<WBR>INIT­STORAGE</CODE> appeared first on The Old New Thing .

Java Weekly, Issue 642

Baeldung @ 2026-04-17 12:45:25

Interesting AI-focused pieces and starting to look forward towards JDK 27. The post Java Weekly, Issue 642 first appeared on Baeldung .              

The invention of the soul

AEON @ 2026-04-17 12:00:00

Humans weren’t given souls by God or genes. We made them ourselves with language – turning sentience into something sacred - by Nicholas Humphrey Read on Aeon

Wonder in a complex world: Day 4 of TED2026

TED Blog @ 2026-04-17 03:30:29

What does it take to find hope when everything feels fractured? Day 4 of TED2026 leaned into the messy, meaningful work of creating a better world, one connection at a time. Hear from the speakers who rose to the top of the TED Idea Search and the thinkers

App Store Reviews Are Busted

Daring Fireball @ 2026-04-17 03:00:26

Terry Godier: For example, if you have a 4.1 star rating in the App Store, any 4 star review is going to decrease that average . In other words, leaving a 4 star review is essentially leaving a negative review . [...] You will see a lot of 4 star

Freecash Was More Like Scamcash

Daring Fireball @ 2026-04-17 02:10:09

Sarah Perez, writing for TechCrunch : If you’ve been on TikTok this year, you’ve more than likely encountered ads for Freecash. The app has been marketed as a way to make money just by scrolling TikTok — and jumped to the top of the app stores in r

Issue 748

iOS Weekly @ 2026-04-17 02:00:00

What’s your position on LLM-generated pull requests in open source projects? 🤖

Colliding With Reality, Indeed

Daring Fireball @ 2026-04-16 22:39:05

Anton Troianovski, reporting for The New York Times under the headline “Trump’s Portrayal of the War in Iran Collides With Reality”: President Trump is trying to cast his Iran war as all but over, a done-and-dusted success. But after years of trying

How to Format 10-Digit Phone Numbers

Daring Fireball @ 2026-04-16 22:09:07

The Associated Press Stylebook, on Threads: We updated our style for telephone numbers in 2024 to drop parentheses. We now recommend the form: 212-621-1500. For international numbers use 011 (from the United States), the country code, the city code

Chance Miller: ‘Netflix Ruined Its Apple TV App by Switching to a Custom Video Player’

Daring Fireball @ 2026-04-16 21:27:00

Chance Miller, 9to5Mac: The change began rolling out a few weeks ago, and user frustration is mounting. On Reddit, there’s a growing thread of Netflix subscribers saying they are canceling their subscription because of this change to the Apple TV ap

Apple Pay Express Mode for Transit, When Used With a Visa Card, Is Vulnerable to Scam Tap-to-Pay Readers

Daring Fireball @ 2026-04-16 20:43:44

Juli Clover, MacRumors: The process requires the victim to have Express Transit Mode enabled for payments, and a Visa card linked for those payments, among other steps. As it turns out, it’s a Visa-related security loophole rather than an iPhone issue

Industries Most Exposed to AI Are Not Only Seeing Productivity Gains but Jobs and Wage Growth Too

Singularity Hub @ 2026-04-16 19:33:34

New technologies rarely leave work untouched. They also rarely eliminate the need for human contribution altogether. The post Industries Most Exposed to AI Are Not Only Seeing Productivity Gains but Jobs and Wage Growth Too appeared first on Singular

Bonus Thought Regarding the Name ‘iPhone Ultra’

Daring Fireball @ 2026-04-16 17:26:03

One more thought re: the item I posted this week speculating on what Apple will name their much-rumored two-screen folding iPhone this year. If they do name it “iPhone Ultra”, I think Apple using that name for the folding iPhone will imply that they h

Rory Goss’s Accessibility Story

Daring Fireball @ 2026-04-16 17:00:49

Feature story and short film, well worth watching, from Apple: One winter day in January 2024, 16‑year‑old Rory Goss experienced something jarring while in construction class at Abbey Christian Brothers’ Grammar School in Newry, Northern Ireland. He c

Introducing Anthropic’s Claude Opus 4.7 model in Amazon Bedrock

AWS Blog @ 2026-04-16 16:49:33

AWS launches Claude Opus 4.7 in Amazon Bedrock, Anthropic's most intelligent Opus model for advancing performance across coding, long-running agents, and professional work. Claude Opus 4.7 is powered by Amazon Bedrock's next generation inference engine, pu

Introducing Koog Integration for Spring AI: Smarter Orchestration for Your Agents

Kotlin Blog @ 2026-04-16 16:01:57

Spring AI is the application-facing integration layer you may already use. Koog is the next layer up when you need agent orchestration. Spring AI already covers the chat model API, chat memory, and vector storage for RAG, and it provides Spring Boot starte

Introducing Koog Integration for Spring AI: Smarter Orchestration for Your Agents

Kotlin news @ 2026-04-16 16:01:57

Spring AI is the application-facing integration layer you may already use. Koog is the next layer up when you need agent orchestration. Spring AI already covers the chat model API, chat memory, and vector storage for RAG, and it provides Spring Boot starte

What’s up with window message 0x0091? We’re getting it with unexpected parameters

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

Trespassing on system messages. The post What’s up with window message <CODE>0x0091</CODE>? We’re getting it with unexpected parameters appeared first on The Old New Thing .

Introducing Confluent Platform 8.2: Queues for Apache Kafka®, Flink SQL, and More

Confluent @ 2026-04-16 14:54:11

Confluent Platform 8.2, built on Apache Kafka 4.2, delivers GA Queues for Kafka and Flink SQL, plus updates to Confluent Private Cloud Gateway, Unified Stream Manager, CFK, and Ansible.

Machine Learning and Complexity

Computational Complexity @ 2026-04-16 14:45:00

At Oxford I focused my research and discussions on how we can use the tools of computational complexity to help us understand the power and limitations of machine learning. Last week I posted my paper How Does Machine Learning Manage Complexity? , a firs

Newton diameters

The Endeavour @ 2026-04-16 14:02:13

Let f(x, y) be an nth degree polynomial in x and y. In general, a straight line will cross the zero set of f in n locations [1]. Newton defined a diameter to be any line that crosses the zero set of f exactly n times. If f(x, y) = x² + y² − 1 then the zer

Clifford-Deformed Compass Codes

Quantum Journal @ 2026-04-16 12:10:52

Quantum 10, 2073 (2026). We can design efficient quantum error-correcting (QEC) codes by tailoring them to our choice of quantum architecture. Useful tools for constructing such codes include Clifford deformati

Evolution of Paris

AEON @ 2026-04-16 12:01:00

The evolution of Paris across millennia – from Celtic fishing village to world capital – in three animated minutes - by Aeon Video Watch on Aeon

Join the dots

AEON @ 2026-04-16 12:00:00

Peering into the origins of our Universe, astronomers found something that shouldn’t be there: what are those little red dots? - by Jenny Greene Read on Aeon

Quantum convolutional channels and multiparameter families of 2-unitary matrices

Quantum Journal @ 2026-04-16 10:07:08

Quantum 10, 2072 (2026). Many alternative approaches to construct quantum channels with large entangling capacity were proposed in the past decade, resulting in multiple isolated gates. In this work, we put for

Diversity Methods for Improving Convergence and Accuracy of Quantum Error Correction Decoders Through Hardware Emulation

Quantum Journal @ 2026-04-16 09:51:50

Quantum 10, 2071 (2026). As quantum computing moves toward fault-tolerant architectures, quantum error correction (QEC) decoder performance is increasingly critical for scalability. Understanding the impact of

Quantum stick-slip motion in nanoscaled friction

Quantum Journal @ 2026-04-16 09:37:53

Quantum 10, 2070 (2026). Friction in atomistic systems is usually described by the classical Prandtl-Tomlinson model suitable for capturing the dragging force of a nanoparticle in a periodic potential. Here we

Resolving PatternSyntaxException: Unclosed character class

Baeldung @ 2026-04-16 05:30:58

Learn about the PatternSyntaxException: Unclosed character class which is a common yet avoidable issue in Java regular expressions The post Resolving PatternSyntaxException: Unclosed character class first appeared on Baeldung .     &

Getting a Cron Expression From Database for a Spring Boot Scheduled Job

Baeldung @ 2026-04-16 05:22:02

Explore two ways to get a scheduled job's cron value from a database in Spring Boot. The post Getting a Cron Expression From Database for a Spring Boot Scheduled Job first appeared on Baeldung .            

So Close to Getting It

Daring Fireball @ 2026-04-16 03:00:35

David Pierce, last week in his Installer column/newsletter for The Verge, singing the praises of the version 5.0 update to Sofa (the praises of which I just sang ): Sofa 5 . A huge update to an Installerverse favorite, this app is now a great way to

Health, wealth and AI: Day 3 of TED2026

TED Blog @ 2026-04-16 03:00:07

Day 3 of TED2026 is a tour de force, exploring the history of sound on Earth, innovations in personal and public health and the cutting-edge technology shaping our future. The day’s sessions included talks curated by listening champion Julian Treasur

Sofa 5.0

Daring Fireball @ 2026-04-16 02:36:05

Shawn Hickman: A show you started last month. A book on your nightstand. A game you keep meaning to get back to. Finding something new is easy. Remembering where you left off is the hard part. Sofa 5 helps you keep track of this stuff. Progress ring

ETH Rangers Program Recap

Ethereum blog @ 2026-04-16 02:00:00

In late 2024, the Ethereum Foundation, together with Secureum, The Red Guild, and Security Alliance (SEAL), launched the ETH Rangers Program, an initiative to provide stipends for individuals doing public goods security work in the Ethereum ecosystem. The

Announcing Rust 1.95.0

Rust blog @ 2026-04-16 02:00:00

The Rust team is happy to announce a new version of Rust, 1.95.0. Rust is a programming language empowering everyone to build reliable and efficient software. If you have a previous version of Rust installed via rustup , you can get 1.95.0 with: $

Episode 55 “You Must Avoid Final Field Mutation” [IJN]

Inside Java @ 2026-04-16 02:00:00

With JDK 26 / JEP 500 starting to prevent final field mutation through reflection, it is important that Java projects stop employing that practice.

Lisa Melton: ‘Memories of Steve’ (and Memories of Safari’s Unique Page-Loading Indicator in Particular)

Daring Fireball @ 2026-04-15 21:54:17

Lisa Melton, who ran the team that created Safari, regarding her interactions with Steve Jobs: When Steve asked you a question? You didn’t ramble and, whatever you did, you didn’t make up an answer. If you didn’t know, you just said that you didn’t kn

AsiaBSDCon 2026 Trip Report – Minsoo Choo  

FreeBSD Foundation @ 2026-04-15 21:17:28

I’m very grateful that the FreeBSD Foundation sponsored my trip to AsiaBSDCon 2026 in Taipei, Taiwan. The conference ran from March 19 through 22, with the first two days dedicated to the FreeBSD Developer Summit and the final two days to the main c

Análisis de ajedrez | Vaishali retará a Wenjun Ju

Partidas ajedrez El País @ 2026-04-15 19:27:13

De las seis que aún podían ganar el torneo a falta de una ronda, la india no ha sido la más brillante, pero sí la más regular y mentalmente fuerte