The Barbican

https://arslan.io/content/images/size/w1920/2025/05/L1008084.jpeg
The writer discovered Barbican, a London building complex, three years ago and recently visited it with friends, taking a 2-hour tour that revealed its unique design and amenities. The complex, built between 1965-1976, has a maze-like layout, underground parking, and hidden areas accessible only to residents with key fobs.

I hacked a dating app (and how not to treat a security researcher)

https://alexschapiro.com/blog/assets/images/cerca-security/introtext.jpg
A college student discovered vulnerabilities in the Cerca dating app, including an OTP-based sign-in flaw and exposed user data. Despite reporting the issues to Cerca, the company failed to address them, leading to a potential invasion of user privacy and safety risks.

The great displacement is already well underway?

https://substackcdn.com/image/fetch/w_520,h_272,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F92a29ec1-700e-4314-85b0-07c067303850_3808x3472.jpeg
A 42-year-old software engineer lost his job due to AI and has been struggling to find new employment despite 800+ applications. He now runs a pressure washing business and delivers food to make ends meet, highlighting the need for a new economic system.

Embeddings are underrated (2024)

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Embeddings in machine learning can help technical writers discover connections between texts at large scales by mathematically comparing any two pieces of text. By using embeddings, technical writers can find semantically close or far apart texts and potentially advance the state of the art in technical writing.
https://regmedia.co.uk/2024/02/16/ai_shutterstock.jpg?x=174&y=115&crop=1
The US Copyright Office's head was fired after releasing a report stating AI companies may not have fair use rights to copyrighted material. The report's conclusions are seen as bad news for AI companies in litigation, including Google, Meta, and OpenAI.

Can you trust that permission pop-up on macOS?

https://wts.dev/posts/tcc-who/consent-prompt.png
A vulnerability in macOS allowed malicious apps to spoof TCC prompts. The bug was patched in macOS Sequoia 15.5.

I ruined my vacation by reverse engineering WSC

https://blog.es3n1n.eu/posts/how-i-ruined-my-vacation/pics/access_denied_error.png
The user implemented a project called defendnot, a "clean" implementation of their previous project no-defender, which disables Windows Defender using the Windows Security Center (WSC) API. They encountered numerous challenges, including PPL protection, token validation, and signature checks, but eventually overcame them to successfully register a new antivirus in WSC.

The FTC puts off enforcing its 'click-to-cancel' rule

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The FTC delayed enforcing its "click-to-cancel" rule until July 14th, requiring companies to make it easy to cancel subscriptions as it is to sign up. The rule forbids companies from making customers jump through hoops to cancel subscriptions.

A community-led fork of Organic Maps

https://www.comaps.app/news/2025-05-12/3/1-letter.jpg
CoMaps project focuses on transparency, community decision-making, and open source principles. The project is building its foundation and seeking a final name through community voting by May 20th.

Continuous Thought Machines

https://pub.sakana.ai/ctm/assets/png/architecture.jpeg
The ctm is capable of solving challenging problems in intuitive and interesting ways. it can solve mazes by building an internal world model 'on the fly' without any positional embeddings, suggesting that lstms are not well suited to unfolding an inner thought dimension - a key question arises: how do we optimize the model across this internal temporal dimension? the videos on the left/above ...

Ask HN: Cursor or Windsurf?

User is struggling to keep up with VSCode forks, currently using Cursor and likes its responsiveness and AI features for productivity. Zed is a promising alternative with mature AI integration and Gemini API support.

University of Texas-led team solves a big problem for fusion energy

https://news.utexas.edu/wp-content/uploads/2025/05/FigCove_2400x1600-600x400-c-default.jpg
Scientists at UT Austin and Los Alamos National Laboratory developed a new method to design leak-proof magnetic confinement systems for fusion reactors, 10 times faster than the current method. This breakthrough addresses a 70-year-old challenge specific to stellarator reactors, a type of fusion reactor.

Air Traffic Control

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Bob greene: air traffic control has been in the news lately, on account of our declining ability to do it. he says the impetus for that work came mostly from the first world war - and it's not just aviation! in 1958, the caa gave way to the faa, which has centralized all flight service operations, a greener approach needed, says edward mcdonald jr. green

Avoiding AI is hard – but our freedom to opt out must be protected

https://images.theconversation.com/files/665680/original/file-20250505-56-slnnf5.jpg?ixlib=rb-4.1.0&rect=0%2C280%2C5372%2C3021&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip
AI is quietly shaping our lives, but its influence raises urgent questions about our right to live free from its control. We need to act now to protect our autonomy and ensure people can choose to live without AI without facing exclusion or disadvantage.

Python lib generates its code on-the-fly based on usage

https://opengraph.githubassets.com/03aa994a2352ece94945e88b6a9c64ffbd18accb37b546cd9e5345ca159ca893/cofob/autogenlib
AutoGenLib is a Python library that generates code on-the-fly using OpenAI's API for prototyping and experimentation. It analyzes caller code and context to create consistent and fitting code.

Reviving a modular cargo bike design from the 1930s

https://s3files.core77.com/blog/images/1706542_81_136773_WbcGr7xAD.jpg
Cyclauto's cargo bike design places the rider above the front wheel, pedaling directly with a three-speed gearbox for easier starting. The detachable cargo section allows for various trailer styles, making it versatile for moving cargo, people, or commercial items.

Universe expected to decay in 10⁷⁸ years, much sooner than previously thought

https://scx1.b-cdn.net/csz/news/800a/2025/universe-decays-faster-1.jpg
Three Dutch scientists calculated the universe's decay time to be 1078 years due to Hawking radiation, much shorter than previously thought. This is based on a reinterpretation of Hawking radiation, which also applies to other objects like neutron stars and black holes.

Ruby 3.5 Feature: Namespace on read

The proposal is to define virtual top-level namespaces in ruby. objects (stored on constants, etc) will not be cloned (see below) i do not know about builtin, but in the case of user-defined classes/modules i don't think we can assume they don't mutate their state. if you want to isolate things that has to be the first thing before creating any

Intellect-2 Release: The First 32B Model Trained Through Globally Distributed RL

https://cdn.prod.website-files.com/66239f0441b09824acb92c7e/68210770ed19e45df800ade8_Screenshot%202025-03-25%20at%2017.46.32%20(2).png
We are given two quadratic polynomials P(x) and Q(x) with leading coefficients 2 and -2, respectively. The graphs of both polynomials pass through the points (16,54) and (20,53). We need to find P(0) + Q(0). We express P(x) and Q(x) in the general form, substitute the given points into the equations, and solve the resulting system of linear equations to find the values of b, c, d, and e. We ...

RIP Usenix ATC

USENIX discontinued its flagship Annual Technical Conference due to struggles with relevance and attendance. The conference's decline reflects a shift towards open source systems and online publishing, making traditional conferences less necessary.

Just use HTML

https://justfuckingusehtml.com/assets/images/og.png?v=d86f1a9
The user is criticizing the use of modern web frameworks, claiming they are overcomplicated and unnecessary, and that HTML is a more reliable and efficient choice. They argue that HTML has been the backbone of the web since its inception and will continue to be relevant long after frameworks are obsolete.

Build your own Siri locally and on-device

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The user discusses building a local voice assistant without cloud APIs, focusing on data privacy and MLOps principles. They outline the process of creating a custom function, fine-tuning a model, and deploying it on-device with full control and observability.

HealthBench – An evaluation for AI systems and human health

Waiting for openai.com to respond...

Show HN: Airweave – Let agents search any app

https://opengraph.githubassets.com/cd23ed1aef6f655215e7b05c5c15420f55deaa33c31c824d986db3896ed26b51/airweave-ai/airweave
Airweave is a tool that connects apps, databases, and APIs to make information retrievable for agents. It simplifies the process of breaking down data into processable entities through REST and MCP endpoints.

Understanding LucasArts' iMUSE System

https://opengraph.githubassets.com/39e87a359fc11e8197de9db3169918105c38326d67e854650905b6ffd56fa9e4/meshula/LabMidi
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A conversation about AI for science with Jason Pruet

Jason Pruet believes AI will be broadly disruptive, not just a tool, but a fundamental shift in how scientists approach problems and make discoveries. He advocates for government investment in AI infrastructure to harness its potential while mitigating its harms.

Gig Companies Violate Workers Rights

https://www.hrw.org/sites/default/files/styles/720w/public/media_2025/05/202505us_gigeconomy_illustration.jpg?itok=Ag1uWVDa
Human Rights Watch reports that US gig companies misclassify workers as independent contractors, denying them labor rights and paying them less than minimum wages. The report calls for US authorities to protect gig workers' rights to unionize and ensure workplace safety.

A crypto founder faked his death. We found him alive at his dad's house

https://content.sfstandard.com/wp-content/uploads/2025/05/jyu_01.jpg?w=3840&q=75
Jeffy Yu, a 23-year-old crypto developer, faked his own death in a video to avoid harassment and cash out his cryptocurrency holdings. He was found alive at his parents' home after online sleuths raised doubts about the video's authenticity.

The Academic Pipeline Stall: Why Industry Must Stand for Academia

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The US National Science Foundation's funding freeze has caused chaos in the academic research ecosystem, halting $739 million in research funding and canceling over 1,000 projects. Industry leaders must step up to support and defend the public research pipeline that has enabled their success.

Ex-UK Special Forces break silence on 'war crimes' by colleagues

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Former UK Special Forces members have come forward with eyewitness accounts of alleged war crimes in Iraq and Afghanistan, including the murder of unarmed people in their sleep and execution of handcuffed detainees. The Ministry of Defence is committed to supporting the ongoing public inquiry into the alleged war crimes.

Launch HN: ParaQuery (YC X25) – GPU Accelerated Spark/SQL

Win, founder of ParaQuery, presents a GPU-accelerated Spark + SQL solution for cost-efficient and performant big data processing. ParaQuery offers a more affordable alternative to BigQuery with significant performance improvements.

CrowdStrike CEO cuts his voting power by 92% with unexplained gifts

Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world

Traffic Fatalities Are a Choice

https://asteriskmag.com/media/pages/issues/10/traffic-fatalities-are-a-choice/9ec4dd2e15-1745267587/olvera.png
The US has a high road fatality rate, with over 42,000 deaths in 2022, but other countries like Sweden and the Netherlands have successfully implemented the Safe System approach to reduce road deaths. The US needs a national vision and strategy to prioritize preventing road fatalities, comprehensive design reforms, and a culture of urgency to address its road safety crisis.

Wtfis: Passive hostname, domain and IP lookup tool for non-robots

https://raw.githubusercontent.com/pirxthepilot/wtfis/main/imgs/demo.gif
wtfis is a commandline tool that gathers OSINT information about domains, FQDNs, or IP addresses. It provides easy-to-read results and minimizes API calls to avoid hitting quotas and rate limits.

Tailscale 4via6 – Connect Edge Deployments at Scale

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Tailscale 4via6 subnet routing connects multiple networks without public IPs, CIDR range overlaps, or port management. It provides seamless connections for complex deployments like robots, sensors, and local servers with fine-grained ACLs and supports cloud deployments with overlapping CIDR ranges.

Show HN: CLI that spots fake GitHub stars, risky dependencies and licence traps

https://opengraph.githubassets.com/9f69162df494ae21640d1c3585f80a2b66c4f4dd672ab804fae755aeb0091f81/m-ahmed-elbeskeri/Starguard
StarGuard is a CLI tool that automates open-source due diligence by analyzing public signals and providing a trust score. It supports parsing SBOM/manifest files across various package managers and detecting fake-star campaigns, dependency hijacks, and license red flags.

Demonstrably Secure Software Supply Chains with Nix

https://nixcademy.com/_astro/philosophers-stone.CVjYUEeP_Z149ryM.webp
Nix offers a solution to meet strict security standards for software supply chain integrity without slowing down development. It allows developers to use the latest tools and provides a verifiable proof of the exact origin and integrity of software.

Spade Hardware Description Language

Spade is a new hardware description language that simplifies hardware design with software-like constructs and a strong type system. It features pipelines, enums, and type inference for easier and less error-prone design.

Byte latent transformer: Patches scale better than tokens (2024)

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
The Byte Latent Transformer (BLT) matches tokenization-based LLM performance with improved efficiency and robustness by encoding bytes into dynamically sized patches. BLT shows better scaling than tokenization-based models for fixed inference costs.

How to title your blog post or whatever

https://dynomight.net/img/titles/plot2.svg
The goal of a title is to signal to the right people that your content is for them, while avoiding annoying those who won't like it. A good title balances being clear, concise, and honest, while also considering the audience and the content's tone.

What if humanity forgot how to make CPUs?

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Show HN: Lumoar – Free SOC 2 tool for SaaS startups

https://www.lumoar.com/_next/image?url=%2Fdash.png&w=2048&q=75
Lumoar offers tools for SOC 2 compliance to help startups organize and automate processes. Join the waitlist for updates on upcoming features and exclusive offers.

The Internet 1997–2021

https://images.squarespace-cdn.com/content/v1/601893b4956c027691388862/1612292301115-DD3O8DYTGHM1AYS5A5C1/opte-2010.png
The Internet map displays color-coded routes based on Class A IP allocations, resolving RFC1918 addresses with unique checksums. Routing loops were removed and routes connect correctly, with colors representing different registrars worldwide.

Armbian Updates: OMV support, boot improvents, Rockchip optimizations

https://www.armbian.com/wp-content/uploads/2022/01/xfcezaslon.png
Armbian development team made several enhancements including OpenMediaVault integration and bootloader upgrades. Improvements also include usability fixes, hardware upgrades, and infrastructure refinement.

Ask HN: Is Slack Down?

Slack users are experiencing intermittent outages and login issues across multiple workspaces. Services like Fastmail and Claude are also affected, with some users reporting intermittent connectivity and logging out.

Paul McCartney, Elton John and other creatives demand AI comes clean on scraping

https://regmedia.co.uk/2025/05/12/shutterstock_banksy2.jpg
UK media and arts professionals, including Paul McCartney and Elton John, back an amendment to the Data (Use and Access) Bill for AI transparency over copyrighted works. The amendment aims to require AI firms to tell copyright owners which individual works they have ingested.

Custom SIM card in Tesla Model 3 2024, Tesla Model Y 2025 and Cybertruck

https://olegkutkov.me/wp-content/uploads/2025/04/tesla_sim_replace_2025_thumb.jpg
To install a local SIM card on a Tesla Model Y Juniper, remove the headliner, access the Telematics Control Unit (TCU), and insert the SIM card. Use Tesla Toolbox and Service+ mode to switch the TCU to an external SIM, configure the Ethernet interface, and toggle the SIM to complete the installation.

Hegel 2.0: The imaginary history of ternary computing (2018)

https://www.cabinetmagazine.org/issues/65/cabinet_065_weatherby_leif_001.jpg
John avlon: gotthard günther's letters to warren mcculloch show he didn't want to go to russia. but computers, like ternary logic, lacked metaphysics, as mcculloch had wanted, says nicolaus mills jr. if we take euclidean cues from them, we'll be able to live with

Implicit UVs: Real-time semi-global parameterization of implicit surfaces [pdf]

Access to the United States' President for Sale via Meme Coin

https://files.mastodon.social/media_attachments/files/114/495/920/422/610/043/small/079e8e8e8bbaa12e.jpg
Attached: 1 image Access to the United States‘ president is literally for sale for his personal profit https://www.nytimes.com/2025/05/12/us/politics/trump-crypto-coin-auction.html?rsrc=ss&unlocked_article_code=1.Gk8.ZW8C.AaLjGs1pASHq&smid=nytcore-ios-share&referringSource=articleShare&sgrp=p

Toward a Sparse and Interpretable Audio Codec

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers introduced a proof-of-concept audio encoder representing audio as sparse events and times. It uses physics-based assumptions to model instrument and room resonance for a parsimonious representation.

OpenEoX to Standardize End-of-Life (EOL) and End-of-Support (EOS) Information

https://openeox.org/assets/images/screenshot-2024-04-10-at-9.01.55pm-1036x860.png
OpenEoX reduces cybersecurity risk by enabling companies to identify and replace outdated products, and it improves vulnerability management through automation and real-time monitoring. OpenEoX also simplifies product management, enhances customer confidence, and facilitates smooth transitions to new technology solutions.

Show HN: The missing inbox for GitHub pull requests

https://raw.githubusercontent.com/pvcnt/mergeable/main/docs/screenshot.png
The missing inbox for GitHub pull requests. Contribute to pvcnt/mergeable development by creating an account on GitHub.

When Compiler Engineers Act as Judges, What Can Possibly Go Wrong?

A contributor to the LLVM project reported a bug, but the Code of Conduct Committee's decision was flawed, favoring established contributors over external users. The incident highlights systemic issues in the FOSS ecosystem, including a broken review process and cross-project hostility, emphasizing the need for transparency and accountability.

Microbe that infests hospitals can digest medical-grade plastic ― a first

https://media.nature.com/lw767/magazine-assets/d41586-025-01412-5/d41586-025-01412-5_50956070.jpg
Researchers found an enzyme called Pap1 in a hospital bacterium that can break down a biodegradable plastic used in healthcare. This discovery could explain why hospital microbes persist and may compromise medical devices.

Why alien languages could be far stranger than we imagine Essays

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In the movie arrivalal (2016), an alien species lands on earth with a language that no human can understand. samuel l. larsen says that as philosopher of language, he finds this unsatisfying. at the first level are signs, so is the alphabet you are looking at right now, and semantics and pragmatics. for written languages, one could choose an entirely new set of symbols, such as movements of the

ChatGPT could never get a PhD in geography

https://substackcdn.com/image/fetch/w_520,h_272,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F7065a9df-c374-4879-8ef8-f3cef0ac141b_1024x1024.png
The author tested ChatGPT's data analysis capabilities and found it to be unreliable, producing different and often incorrect maps despite multiple attempts. This raises concerns about the ability of AI to perform basic tasks and the need to address its instruction-following limitations.