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Open SWE: The Open-Source Async Cloud-Hosted Coding Agent

2025-08-09

Open SWE: The Open-Source Async Cloud-Hosted Coding Agent

LangChain introduces Open SWE, an open-source, asynchronous, cloud-hosted coding agent. It directly connects to your GitHub repositories, autonomously handling tasks like researching codebases, planning execution, writing code, running tests, reviewing its work, and creating pull requests. Built on LangGraph, Open SWE uses a multi-agent architecture (Manager, Planner, Programmer, Reviewer) for quality assurance. Its interruptible workflow and feedback mechanisms, combined with a user-friendly UI/UX, significantly improve AI agent interaction. Already deployed internally at LangChain, future iterations will include a local CLI for enhanced efficiency.

(blog.langchain.com)

Development

The Lethal Trifecta: New Challenges in LLM Security

2025-08-10

The Lethal Trifecta: New Challenges in LLM Security

A talk on AI security focused on prompt injection, a novel attack exploiting the inherent vulnerabilities of LLMs built through string concatenation. The speaker coined the term "Lethal Trifecta," describing three attack conditions: LLM access to private data, execution of tool calls, and data exfiltration. Numerous examples of prompt injection attacks were discussed, highlighting the inadequacy of current defenses and emphasizing the need to fundamentally restrict LLM access to untrusted input. The presentation also addressed security flaws in the Model Context Protocol (MCP), noting that its mix-and-match approach unreasonably shifts security responsibility to end-users.

(simonwillison.net)

AI

Chicago Fed's Million-Dollar Cube: A Counting Conundrum

2025-07-02

Chicago Fed's Million-Dollar Cube: A Counting Conundrum

The Federal Reserve Bank of Chicago's Money Museum displays a transparent cube supposedly containing $1,000,000. A visitor, however, counted the stacks and found it actually holds approximately $1,550,400! This discrepancy sparked questions about the museum's accuracy and the cube's construction. To verify the count, the visitor even created a simple image counting tool, 'Dot Counter'. The conclusion? Either the cube is mostly empty inside, or the museum significantly overstated the amount. This intriguing tale highlights a mathematical puzzle and the importance of verifying information.

(calvin.sh)

Misc

Mr. Beetle's Infidelity and Retribution: A Bug's Life Gone Wrong

2025-04-03

Mr. Beetle's Infidelity and Retribution: A Bug's Life Gone Wrong

Bored with his marriage, Mr. Beetle visits a nightclub and elopes with a beautiful dragonfly dancer. A vengeful grasshopper, however, films their affair and reveals it to Mrs. Beetle, leading to domestic violence and imprisonment. This darkly comedic tale satirizes marital infidelity and the cyclical nature of revenge, ending with a prediction of a less exciting future for the Beetle couple.

(publicdomainreview.org)

Game dark comedy revenge

Cassettes: Why Analog Still Matters in a Digital Age

2025-09-10

Cassettes: Why Analog Still Matters in a Digital Age

The author's audio setup consists of vintage equipment: Audio Innovations 2nd Audio monoblocks, a Series 1000 preamp, unique Wave Design speakers, and a Nakamichi RX-505E cassette deck. While technically inferior to digital streaming, this setup offers a unique listening experience. The author argues that the magic of cassette tapes lies in context: they evoke personal memories, emotions, and the cultural imprint of a specific era. The ritual of playing a tape, coupled with the music itself, creates a profound connection to the past, an immersion digital music struggles to replicate. This isn't about perfect sound quality; it's about a nostalgic experience, a connection to the past impossible to replicate digitally.

(www.differentshelf.com)

Misc cassette tapes

Reclaiming Digital Sovereignty: The MyTerms Standard Empowers Users

2025-03-23

Reclaiming Digital Sovereignty: The MyTerms Standard Empowers Users

In the age of AI, personal data privacy and autonomy are challenged as never before. This article introduces the IEEE P7012 standard (MyTerms), designed to empower users with agency over their interactions with websites and services through machine-readable agreements. MyTerms, modeled after Creative Commons, allows users to choose from a list of agreements provided by a non-profit, ensuring the user is the first party and therefore in control of their data. This innovation promises to reshape digital sovereignty, giving users more autonomy.

(doc.searls.com)

Tech user autonomy IEEE standard

Super-Resolution Microscopy: Unveiling Cellular Secrets Beyond the Diffraction Limit

2025-07-21

$Super-Resolution Microscopy: Unveiling Cellular Secrets Beyond the Diffraction Limit$

Scientists have developed super-resolution microscopy techniques that overcome the diffraction limit of light microscopes, enabling nanoscale visualization of living cells. By using fluorescent tags to track proteins and DNA, researchers are revealing previously unseen details of cellular mechanisms, including the unique neuronal scaffold MPS, the complex functions of lysosomes, and the interactions between mitochondria and the endoplasmic reticulum. This technology offers new insights into neurological diseases, cancer, and viral infections, while also advancing our understanding of chromatin 3D structure and improving cancer therapies. The potential for future advancements is significant.

(knowablemagazine.org)

Tech super-resolution microscopy cell biology

Giant 'Naked' Black Hole in Early Universe Rewrites Textbook Cosmology

2025-09-14

Giant 'Naked' Black Hole in Early Universe Rewrites Textbook Cosmology

The James Webb Space Telescope (JWST) has uncovered a colossal black hole, QSO1, in the early universe, a discovery that challenges existing theories of galaxy formation. Weighing in at 50 million solar masses, QSO1 exists almost in isolation, with few orbiting stars. This solitary leviathan contradicts the established model, which posits that black holes form within galaxies. The find suggests black holes may have originated in the primordial soup of the Big Bang, existing as independent structures, leading to heated debate and offering fresh insights into the universe's chaotic infancy.

(www.quantamagazine.org)

Tech early universe

Murder Suspect Receives Overwhelming Support

2025-02-16

Murder Suspect Receives Overwhelming Support

Luigi Mangione, 26, charged with murdering UnitedHealthcare CEO Brian Thompson, expressed gratitude for the widespread support he's received. In a statement on a website set up by his legal team, Mangione noted an outpouring of letters from across the country and globe, transcending political, racial, and class divisions. While unable to respond to all, he confirmed reading every message. Mangione faces federal murder charges, potentially carrying the death penalty, and state terrorism charges. He has pleaded not guilty to both. Notably, a group called the "December 4th Legal Committee" raised $297,000 for his legal defense from over 10,000 supporters.

(people.com)

Misc murder case legal support

Google Bets Big on CO2 Batteries, Challenging Tesla's Megapack

2025-07-27

Google Bets Big on CO2 Batteries, Challenging Tesla's Megapack

Google announced a partnership with Energy Dome, an Italian energy storage startup, investing in their innovative CO2-based long-duration energy storage (LDES) system. This system uses compressed liquid CO2 to generate electricity, offering storage durations of 8-24 hours, significantly exceeding current lithium-ion batteries. The move aims to bolster renewable energy integration, reduce reliance on fossil fuels, and power Google's data centers and other high-energy facilities with cleaner electricity. This technology promises to revolutionize energy storage, posing a challenge to lithium-ion battery giants like Tesla, and offering new opportunities for global energy transition.

(cleantechnica.com)

Tech CO2 battery

Music and Geometry: A Geometric Interpretation of Intervals and Scales

2024-12-19

Music and Geometry: A Geometric Interpretation of Intervals and Scales

This article explores the fascinating connection between music and geometry, specifically how intervals and scales are represented in geometric shapes. Using the relationships of intervals in twelve-tone equal temperament, the author constructs various geometric figures such as lines, triangles, squares, hexagons, dodecagons, and dodecagrams. These visuals illustrate the relationships between different intervals. The article also delves into just intonation, Greek modes, and symmetrical scales, offering a unique perspective on music theory through geometric visualization.

(roelsworld.eu)

Misc music geometry intervals scales

DOJ's Chrome Divestiture Plan: A Wrong Turn in the Google Monopoly Case?

2025-03-15

DOJ's Chrome Divestiture Plan: A Wrong Turn in the Google Monopoly Case?

The Department of Justice's attempt to resolve Google's monopoly issues by forcing the sale of Chrome is misguided, argues this piece. The core monopolistic practice is Google paying to be the default search engine, not Chrome itself. Chrome's value to Google is largely indirect—its investment in web standards. Forcing a sale would harm Google's investment in these standards, hurting the web ecosystem, leading to stagnation, and pushing operating system vendors towards closed systems. A more appropriate solution, the author suggests, is to prohibit Google from paying for default search placement and mandate browser choice for users.

(chriscoyier.net)

Tech

Major UK Phone Network Outage

2025-07-25

Major UK Phone Network Outage

A major outage has hit several major UK phone networks, including BT, EE, Three, and Vodafone, on Thursday afternoon. Millions of customers are reporting inability to make or receive calls, flooding social media with complaints. Carriers have acknowledged the issue and are working to resolve it. DownDetector shows London, Birmingham, Manchester, and Glasgow as the hardest-hit areas. O2 claims its network is operating normally, attributing the minor spike on DownDetector to users trying to reach those on affected networks.

(www.the-independent.com)

Tech network outage

Tackling Dependency Management Challenges in Common Lisp's Metaobject Protocol

2025-03-01

This article details the author's experience tackling dependency management challenges while working on a Common Lisp library utilizing the Metaobject Protocol (MOP). Through a monitored-class example, the author demonstrates how to elegantly leverage CLOS's Dependent Maintenance Protocol to ensure that subclass monitoring functionality remains consistent even when superclasses are redefined. The article thoroughly explains the use of dependency wrappers and update-dependent methods to guarantee subclasses always inherit the latest monitoring capabilities, even after superclass redefinitions. This is a practical case study of efficient interactive development in Common Lisp, showcasing the language's powerful metaprogramming capabilities and its robust support for interactive development.

(stevelosh.com)

Development Metaobject Protocol

Apple Adds Energy Efficiency Labels to iPhones and iPads in EU

2025-06-21

Apple Adds Energy Efficiency Labels to iPhones and iPads in EU

To comply with a new regulation, Apple has added energy efficiency labels to its iPhone and iPad pages in EU countries, also including printed versions. The labels grade energy efficiency from A to G, but Apple, citing ambiguous testing methods, conservatively downgraded iPhone scores from A to B. Labels also detail battery life, repairability, durability, and more. Find details on Apple's website or the European Commission's database.

(www.macrumors.com)

Tech EU Regulation

DeepSeek Ecosystem Explodes: A Flourishing Landscape of AI Apps

2025-02-25

DeepSeek Ecosystem Explodes: A Flourishing Landscape of AI Apps

A vibrant ecosystem of AI applications is blossoming around the powerful DeepSeek large language model. From the desktop smart assistant DeepChat to the cross-platform Chatbox and Coco AI, and specialized tools like PapersGPT and Video Subtitle Master, numerous applications leverage DeepSeek's capabilities for multi-round conversations, file uploads, knowledge base searches, code generation, translation, and more. Integrations with platforms like WeChat, Zotero, and Laravel, along with specialized tools for producers, investors, and researchers, highlight DeepSeek's immense potential and the thriving ecosystem it has spawned.

(github.com)

AI

Biden Admin to Further Restrict AI Chip Exports in Final Push

2025-01-10

Biden Admin to Further Restrict AI Chip Exports in Final Push

In a final push before leaving office, the Biden administration plans to further restrict the export of AI chips from companies like Nvidia, aiming to prevent advanced technologies from reaching China and Russia. New regulations will create three tiers of restrictions: close allies will face minimal limits; adversaries will be effectively blocked; and most countries will face limits on total computing power, though higher caps can be obtained by meeting US security and human rights standards. Nvidia opposes the proposal, arguing it will harm economic growth and US leadership.

(finance.yahoo.com)

Tech export controls geopolitics

Norwegian Lake Ice: A Cocktail Comeback After a Century

2025-02-18

Norwegian Lake Ice: A Cocktail Comeback After a Century

In the 19th century, American ice exports to the UK fueled a craze for chilled drinks. Now, Thomas Orderud in Norway is reviving this tradition, hand-harvesting ice from Hemnes Lake to create premium cocktail ice. He operates an 'ice farm' storing massive blocks and uses a robotic arm to sculpt various shapes. Orderud's lake ice is pure, rigorously tested, and an energy study shows it's more environmentally friendly and shippable than machine-made ice. While currently sold only in Norway, he hopes its unique story and high quality will propel it onto the international stage.

(vinepair.com)

Misc hand-harvested ice cocktails

CUDA Ray Tracer Outperforms Vulkan/RTX by 3x

2025-06-26

CUDA Ray Tracer Outperforms Vulkan/RTX by 3x

This article details the author's journey building a CUDA-based ray tracer that surpasses a Vulkan/RTX implementation—sometimes by over 3x—on identical hardware. Starting with a naive CUDA port, the author systematically optimized the renderer, tackling recursion, register pressure, memory layouts, and branching inefficiencies. Techniques like explicit stacks, structure of arrays, early ray termination, and Russian roulette were employed, resulting in a frame time reduction from 2.5 seconds to 9 milliseconds. The article dives deep into CUDA performance bottlenecks and offers practical optimization strategies. Benchmarks showcase the significant performance gains achieved on an RTX 3080.

(karimsayedre.github.io)

Development GPU Optimization

Pushing the Limits of Time Synchronization on Linux: A 500ns Accuracy Challenge

2025-08-26

This post details an author's month-long quest to achieve high-precision time synchronization across multiple Linux systems on a local network. The goal was sub-microsecond accuracy for distributed tracing. Despite using GPS and Chrony, the author found achieving ideal precision challenging. GPS receiver jitter, network latency, and asymmetry introduced hundreds of nanoseconds of error. Ultimately, around 500ns synchronization accuracy was achieved on most systems—not quite the target, but sufficient for distributed tracing.

(scottstuff.net)

Development

Intel SGX's Demise: A Tale of Complexity and Market Realities

2025-05-08

Intel SGX's Demise: A Tale of Complexity and Market Realities

Intel has confirmed that its Software Guard Extensions (SGX) will be deprecated in 12th generation processors (Workstation/Desktop/Laptop/embedded platforms), remaining only in high-end Xeon CPUs for servers. Intended to enhance trust in cloud environments, SGX's complex implementation across hardware, microcode, and firmware proved costly and vulnerable. This article details SGX's inherent complexity, risks (key leakage, side-channel attacks), flawed threat model, and overblown market hype. Ultimately, Intel's narrowing SGX's scope to servers acknowledges it's not a silver bullet security solution.

(hardenedvault.net)

Hardware Intel SGX Cloud Security

Master of Your Own Fate: Entrepreneurs vs. Predestined Lives

2025-01-18

Master of Your Own Fate: Entrepreneurs vs. Predestined Lives

This post recounts author Steve Blank's experience with an old friend, Glen, exploring the question of whether life's path is predetermined or self-directed. Blank reflects on their friendship during the Vietnam War and the vastly different trajectories their lives took. He argues that most people live unexamined lives, while entrepreneurs actively shape their circumstances, strive for excellence, and push humanity forward. The piece encourages readers to take control of their destinies and become masters of their own fate.

(steveblank.com)

Startup life choices destiny

Truchet Tiles: Simple Geometry, Infinite Possibilities

2025-07-29

Truchet tiles, simple square tiles with non-rotationally symmetric patterns, create surprisingly complex and captivating visual effects. First described in 1704 by Sébastien Truchet, they're now widely used in information visualization and graphic design. By varying the tile orientations, diverse patterns emerge, even creating labyrinths. Their elegant simplicity extends to programming; a single line of code can generate endless variations, highlighting the beauty of concise algorithms and infinite possibilities. This makes them a prime example of generative art.

(en.wikipedia.org)

Design geometric patterns

Anker Appears to Be Abandoning Its 3D Printer Business

2025-07-29

Anker Appears to Be Abandoning Its 3D Printer Business

Anker's EufyMake brand has quietly stopped selling its AnkerMake M5 and M5C 3D printers and key accessories, leading to speculation that Anker is abandoning the 3D printing business. While Anker claims sales are paused and future models are possible, the printers are currently unavailable on the website, and critical components like the M5C hotend are also out of stock, leaving users frustrated. This follows Anker's rocky start in 3D printing, with its products plagued by quality issues. In contrast, companies like Creality and Bambu have gained market share through rapid iteration and improvement.

(www.theverge.com)

Hardware

Revontuli Theme Update Log: Brighter Blues!

2025-07-30

Revontuli Theme Update Log: Brighter Blues!

The Revontuli theme has undergone numerous updates, most notably a significant brightening of its blue hues. From June 2023 to July 2025, updates spanned various applications, including code editors (VSCode, Vim, Sublime Text, etc.), terminals (Konsole), and even wallpapers. Beyond the improved blues, updates included adding new themes (like the Eve Online theme), bug fixes, and the addition of test files. This demonstrates a commitment to detail and continuous improvement.

(codeberg.org)

Development theme updates color adjustments

Lenovo Unveils Legion Go S Handheld with SteamOS

2025-01-07

At CES 2025, Lenovo officially launched its new handheld gaming console, the Legion Go S, officially licensed by Valve and featuring SteamOS. This announcement sparked discussions about its competition with the Steam Deck and Valve's quality control measures for third-party SteamOS devices. Some commentators suggest the Legion Go S may outperform the Steam Deck, but concerns remain regarding driver support and compatibility issues with third-party hardware.

(www.phoronix.com)

Hardware handheld Lenovo

arXivLabs: Experimental Projects with Community Collaboration

2025-02-09

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved uphold arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Sentry: Redefining Enterprise Software – The Fortune 500,000 Approach

2025-02-11

Sentry, with over 50,000 paying customers, challenges traditional enterprise software models. The author argues that focusing on building a product every customer wants, at a reasonable price, and targeting the "Fortune 500,000" is a superior strategy to the legacy model of solely focusing on large enterprises. This product-led growth approach prioritizes community building, branding, and low-friction customer experience over massive sales teams. The author claims this model isn't just viable but also efficient and measurable, offering a new pathway for enterprise software companies.

(cra.mr)

Development community building

Kea 3.0 Released: More Open, Longer-Term Support

2025-06-27

ISC is thrilled to announce the release of Kea 3.0.0, the first Long-Term Support (LTS) version! This major release opensources twelve previously commercially licensed Kea hooks, enhancing security and simplifying the installation process and client classification. Kea 3.0 also features a modernized Meson build system and native API access via HTTP and TLS, eliminating the need for the Kea Control Agent. This release marks a significant step towards a more open and maintainable Kea.

(www.isc.org)

Development

Making Everything Testable: Mitchell's GPU Testing Challenge

2025-07-06

Making Everything Testable: Mitchell's GPU Testing Challenge

HashiCorp co-founder Mitchell faced a significant challenge while developing his latest project, Ghostty, a GPU-rendered terminal emulator: testing the GPU rendering code. This article summarizes his BugBash presentation, exploring how to make seemingly untestable code testable. It highlights the lack of widely accepted solutions for GPU testing in the age of AI, making Mitchell's approach particularly valuable. His solution and the work at Antithesis demonstrate a commitment to pushing the boundaries of software testing.

(antithesis.com)

Development GPU testing

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