Identity verification on Claude

613 bathory 2026-06-21 12:44:13 UTC support.claude.com Llama Share 537

We are implementing identity verification to prevent abuse, enforce policies, and comply with laws, using Persona Identities as our partner. Your verification data is used solely to confirm your identity and is protected by industry-standard security controls.

Beyond All Reason (Free Total Annihilation Inspired RTS)

446 mosiuerbarso 2026-06-21 11:38:01 UTC beyondallreason.info Llama Share 268

The game offers real-time simulation with fully simulated projectile ballistics and terrain deformation, allowing for diverse strategies on each map. Players can choose from over 10 unit classes to balance resource income and production for victory.

Prefer duplication over the wrong abstraction (2016)

439 rafaepta 2026-06-21 16:08:23 UTC sandimetz.com Llama Share 300

The "wrong abstraction" problem occurs when code is modified to accommodate new requirements, leading to conditionals and duplicated logic, making it hard to understand and maintain. The solution is to "go back" and remove the abstraction, inlining code to make it easier to understand and add new features, rather than trying to preserve the existing code.

The brain was not designed for this much bad news

390 colinprince 2026-06-21 04:02:08 UTC sciencedaily.com Llama Share 314

Humans are overwhelmed by bad news due to their natural negativity bias, which was adaptive in the past but now causes stress and fatigue. To manage news fatigue, people can contain news consumption, choose depth over volume, and identify actions they can take to feel more in control.

Google Hits 50% IPv6

388 barqawiz 2026-06-21 08:21:22 UTC blog.apnic.net Llama Share 404

Google's measurements show IPv6 reaching 50% for the first time, but APNIC Labs data shows a 42% worldwide IPv6 capability. IPv6 adoption varies across regions and economies, with some countries like India and Saudi Arabia showing different adoption curves.

Developers don't understand CORS (2019)

366 toilet 2026-06-21 01:35:40 UTC fosterelli.co Llama Share 255

Web developers often misunderstand how CORS works, leading to security vulnerabilities like the recent Zoom vulnerability, which was caused by bypassing CORS to access a localhost webserver. A secure implementation would involve implementing a REST API with CORS headers and a Content Security Policy to prevent unauthorized access.

Did my old job only exist because of fraud?

290 advisedwang 2026-06-21 21:40:53 UTC david.newgas.net Llama Share 137

The author worked at GenieDB, a UK startup acquired by US VC fund Frost VP, and later discovered the fund was sued for fraud by the SEC. The author questions if their job and life changes were a result of the alleged fraud.

Tell HN: Happy Fathers Day

286 consumer451 2026-06-21 17:00:26 UTC news.ycombinator.com Llama Share 43

The user shares a heartfelt Father's Day message from a founder of Brunt, a work wear boot and apparel company, which resonates with their own experiences as a father. They also share their own stories of fatherhood, including memories with their sons and lessons learned from their own father, a commercial artist.

Apertus – Open Foundation Model for Sovereign AI

246 T-A 2026-06-21 21:29:43 UTC apertvs.ai Llama Share 87

Apertus is an open-source AI model developed by Swiss AI Initiative, meeting EU AI Act requirements with opt-out respect and data protection. It's a multilingual model trained on 1000+ languages, competitive with top open models.

When I reject AI code even if it works

219 vnbrs 2026-06-21 00:58:13 UTC vinibrasil.com Llama Share 157

Using AI for coding generates a large volume of code that requires human review to ensure quality and scalability. Engineers should guide AI coding agents to produce adequate solutions, not rely solely on AI reviews.

Building reliable agentic AI systems

186 sarangk90 2026-06-21 04:28:39 UTC martinfowler.com Llama Share 47

Bayer AG developed the Preclinical Information Center (PRINCE) platform to address pharmaceutical industry challenges in drug development, leveraging Agentic Retrieval-Augmented Generation and Text-to-SQL to integrate decades of safety study reports. PRINCE evolved from a keyword-based search tool to an intelligent research assistant capable of answering complex questions and drafting ...

JSON-LD explained for personal websites

181 ethanhawksley 2026-06-21 18:51:47 UTC hawksley.dev Llama Share 53

The user added JSON-LD to their site to aid web crawlers and improve SEO, declaring a new script with MIME type application/ld+json. They described their webpage using JSON-LD nodes such as WebSite, Person, ProfilePage, and BlogPosting to provide metadata and improve search engine results.

The 100k whys of AI

174 surprisetalk 2026-06-21 05:45:21 UTC lcamtuf.substack.com Llama Share 101

AI-generated text can be indistinguishable from human-written text under statistical tests, but it often exhibits distinctive patterns and mannerisms when used repeatedly. This can be seen in the similarities in AI-generated book titles and covers on Amazon, which can be a fuzzy signal that humans can pick up on.

(How to Write a (Lisp) Interpreter (In Python)) (2010)

168 tosh 2026-06-21 15:36:33 UTC norvig.com GoogleT5 Share 55

This page describes how to build an interpreter for most of the scheme dialect of lisp. it uses python 3 as the implementation language, and the lambda special form is a good example of scheme syntax. if you are familiar with other languages, you might think that while or for loop would be needed, but scheme manages to do without these just fine. in which we judge lispy on several criteria: ...

Who owns your ATProto identity?

163 kevinak 2026-06-21 14:09:07 UTC kevinak.se Llama Share 143

The Personal Data Server (PDS) in ATProto holds users' signing keys and rotation keys, allowing the operator to impersonate users across all apps in the ecosystem and lock them out of their identities. This centralization of key management makes the system brittle, relying on trusting the PDS operator, and users should be able to enroll self-controlled rotation keys by default to mitigate this risk.

A 3D voxel game engine written in APL

150 sph 2026-06-21 08:04:54 UTC github.com/namgyaaal Llama Share 14

This project aims to create a voxel game using APL notation, with installation instructions for macOS and Linux. Compilation on Windows requires SDL3 dev libraries and cmake-gui, with shaders compiled using ./compile_shaders.sh.

Fossil Fuels Are 40% of Freight Shipping Tonnage, but Half Its Fuel Use

148 choult 2026-06-21 14:43:08 UTC cleantechnica.com Llama Share 126

The maritime fuel problem is not about replacing fossil fuels with alternative molecules, but about reducing demand due to declining fossil cargo and electrifiable segments growing. Batteries and shore power are suited for inland shipping, ferries, and short-sea routes, reducing the need for alternative fuels.

Everything is logarithms

141 E-Reverance 2026-06-21 21:10:32 UTC alexkritchevsky.com GoogleT5 Share 27

The dimension of a vector space is the cardinality of its basis. [log f = by x] gives something that at least resembles the function's representation as scalar relation, but i suspect these are merely confusions of concepts. when you take general covariance to its extreme you end up asking that all of your mathematics be formulated in an explicit co-variant way, and that

The minimum viable unit of saleable software

140 brandur 2026-06-21 16:41:21 UTC brandur.org Llama Share 53

The author is considering building a sustainable business around their side project River, a job queue for Go and Postgres, despite the rise of AI-powered software. They argue that while LLMs make software cheaper to build, they don't eliminate the need for human oversight and maintenance.

Windows UI evolution: Clicking an unassociated file

134 jandeboevrie 2026-06-21 06:24:52 UTC movq.de Llama Share 93

The user explored how Windows handled opening non-executable files from 1989's Windows 386/2.11 to 2015's Windows 10, noting changes in file type association UI and functionality. The user observed a shift from basic dialogs to more complex and flat interfaces, with varying levels of interactivity and options for selecting programs to open non-executable files.

FDA advisors unanimously vote to approve Moderna's mRNA after agency drama

127 worik 2026-06-21 21:30:25 UTC arstechnica.com Llama Share 64

FDA advisors voted 9-0 in support of Moderna's seasonal mRNA flu vaccine, citing its 27% higher efficacy and good safety profile. The vaccine's approval is pending FDA decision by August 5 and CDC recommendation.

Ask for no, don't ask for yes (2022)

126 skogstokig 2026-06-21 20:17:48 UTC mooreds.com Llama Share 66

Having a bias for action and making progress is key, and one habit to make this happen is to ask for "no" instead of "yes" when seeking permission for a task. This approach involves offering a chance for feedback with a deadline, allowing you to move forward while still keeping your boss informed.

The case against geometric algebra (2024)

121 Hbruz0 2026-06-21 11:06:55 UTC alexkritchevsky.com Llama Share 116

The author argues that Geometric Algebra (GA) has flaws that need to be addressed in order for it to succeed, particularly its overemphasis on the geometric product and lack of self-awareness about its limitations. The author believes that GA's underlying concepts, such as multivectors and the wedge product, are valuable but that the GA movement's ideology and framework are problematic and ...

White House delays US voting-machine vulnerability report

121 logickkk1 2026-06-21 01:29:53 UTC reuters.com Full Share 121

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Burnout is real for open source maintainers

117 theanonymousone 2026-06-21 16:56:18 UTC openjsf.org Llama Share 60

Lodash creator John-David Dalton stepped back from the project due to personal reasons, then rebuilt a sustainable path forward with community support. The project now has shared responsibility and modern infrastructure to ensure long-term maintenance.

The early hiring funnel is now breaking on both ends

100 ChrisArchitect 2026-06-21 16:14:54 UTC hbr.org Llama Share 177

Companies risk hiring candidates who excel at the hiring process rather than the job itself due to generative AI. To adapt, organizations should focus on authentic reasoning, judgment, and adaptability in early-stage hiring.

PowerFox Browser

89 thisislife2 2026-06-21 21:23:13 UTC powerfox.jazzzny.me Llama Share 30

PowerFox brings modern security features and supports dozens of languages to keep users safe online. It's standards compliant and feature-rich, supporting latest web technologies for compatibility with modern websites.

There is minimal downside to switching to open models

89 amarble 2026-06-21 20:56:01 UTC marble.onl Llama Share 44

The author notes that using Linux has become more viable due to improved compatibility and software ecosystem. However, they express concern about the growing penalty for using open LLM models due to performance and trust issues.

Show HN: Recall – fully-local project memory for Claude Code

82 mateenah 2026-06-21 21:05:37 UTC github.com/raiyanyahya Llama Share 60

Recall is a local summarizer for Claude Code that captures session history and condenses it into a resume-ready summary. It's free, zero-friction, and doesn't send data anywhere, using a classical Python summarizer and local memory.

Don’t use AI to write things that you present as your own work

82 satisfice 2026-06-21 04:50:46 UTC satisfice.com Llama Share 69

The author refuses to use AI for writing and advises others not to do so, as it undermines credibility and honesty. They suggest transparency and collaboration instead of relying on AI for work presented as one's own.

'We had to get out of the way': The backlash over delivery robots

82 higginsniggins 2026-06-21 00:12:49 UTC bbc.com Llama Share 90

Delivery robots are appearing in cities worldwide, but concerns over pedestrian safety and job impact are growing. Residents and authorities are calling for regulations and safety tests before widespread adoption.

CTOs Agree: Cognitive Debt Is the New Technical Debt

74 sxx0 2026-06-21 09:53:57 UTC shiftmag.dev Llama Share 69

Senior engineering leaders discussed AI adoption challenges, including measuring ROI, managing AI usage, and updating career pathways. They agreed on the need for standardization, smarter triage, and investing in evals to mitigate risks and ensure successful AI adoption.

Project Fetch: Phase Two

72 stopachka 2026-06-21 00:00:25 UTC anthropic.com Llama Share 24

Anthropic's Claude model has improved significantly, enabling it to complete tasks 20 times faster than humans without assistance. However, it still struggles with precise robotic control and adapting to new tasks.

I was wrong about the Midjourney ultra-sound scanner

69 MrBuddyCasino 2026-06-21 12:55:08 UTC twitter.com/mattzirwas Llama Share 43

The user initially misunderstood the potential benefits of the Midjourney ultrasound scanner due to its high resolution, low cost, and convenience. They now see how it could lead to early cancer detection and potentially save lives, but acknowledge that actual results may take a couple of years to confirm.

Show HN: Teach your kids perfect pitch

69 paytonjjones 2026-06-21 12:49:48 UTC github.com/paytonjjones Llama Share 47

BSharp app helps children develop absolute pitch by associating chords with colors, tracking accuracy and adjusting difficulty. It introduces new chords every 2 weeks after mastering previous ones with 100% accuracy.

NSA director: 'Mythos "broke into almost all of our classified systems in hours"

67 ricksunny 2026-06-21 09:45:06 UTC economist.com Full Share 64

I from using Mythos 5 and Fable 5, Anthropic’s most powerful models, America’s government may simply have been seeking to punish the firm by the readiest means available. But whatever its intentions, it has demonstrated the difficulty of curbing access to potent technology. Neither widespread poverty, nor high rates of marriage nor relatively young mothers are sustaining fertility

Petition against Meta's employee training data collection for ML models

65 reasonableklout 2026-06-21 23:34:07 UTC mcipetition.com Llama Share 47

We demand Meta stop collecting employee computer-use data for AI training due to privacy concerns and lack of consent. This includes mouse movements, keystrokes, and screen content, which may contain sensitive data like SSNs and protected health information.

Health insurance claim denial rates range from 13% to 35% by insurer

65 brandonb 2026-06-21 17:28:16 UTC randalolson.com Llama Share 64

Health insurers on the federal HealthCare.gov marketplace denied about 19% of in-network claims in 2024, with rates varying widely among the largest insurers from 13% to 35%. The single biggest factor in whether a claim gets paid may be which plan you happen to buy, as the insurer you carry can change your odds of a denial by nearly 3 times.

Simple hard way to conjugate Japanese verbs

48 valzevul 2026-06-21 22:53:50 UTC underreacted.leaflet.pub Llama Share 60

Japanese verb conjugation involves adding suffixes to a verb's stem. The stem is the unchanging part of the verb, and suffixes can be added by pure concatenation.

Rent collections are down in New York

44 JumpCrisscross 2026-06-21 21:54:34 UTC politico.com Llama Share 82

New York City Mayor Zohran Mamdani signs executive orders to address housing crisis, but rent collection rates remain low in affordable housing units. Landlords struggle to stay afloat due to insufficient rental income, while tenants face financial duress and limited options.

Armstrong Effect

44 userbinator 2026-06-21 03:54:22 UTC en.wikipedia.org Llama Share 3

The Armstrong effect is a physical process producing static electricity through fluid friction, discovered in 1840 by William Armstrong. It involves sparks generated by steam or compressed air, and was later used in Armstrong's electrostatic generators.

100 Greatest Bird Names of All Time

43 bookofjoe 2026-06-21 11:50:37 UTC birdhistory.substack.com Llama Share 9

The user compiled a list of the 100 greatest bird names, narrowing down from 11,000 options, and shared it on Twitter and Substack, highlighting unique and surprising titles that carry history and cultural significance. The user's favorite bird name is the Mallard, which they consider the greatest of all time due to its innate and absolute meaning, being inseparable from the bird it describes.

Good results fine tuning a local LLM like Qwen 3:0.6B to categorize questions

42 dev-experiments 2026-06-21 22:55:23 UTC teachmecoolstuff.com Llama Share 5

The user is developing a chatbot that uses a local LLM to categorize household-related questions, and they tested the performance of a 0.6B parameter model through prompting and fine-tuning, achieving 92% accuracy after tweaking the finetuning approach. The model's performance improved significantly after mapping categories to two-character opaque IDs with no semantic overlap, reducing ...

David Ahl's Basic Computer Games Ported to C

40 theanonymousone 2026-06-21 12:11:29 UTC github.com/proteanthread Llama Share 29

A user ported classic GW-BASIC games to C for various platforms. The project is licensed under the MIT License and includes original GW-BASIC code for reference.

The anatomy of an AI-native org

36 kiyanwang 2026-06-21 21:34:19 UTC ajeygore.in Llama Share 35

The traditional org chart is changing due to AI, with the middle layer of translation work shrinking and the ends of defining why and what growing, requiring managers to contribute to the work rather than just coordinating it. The new shape of the team will be smaller, more opinionated, and closer to the work, with a focus on judgement-heavy, hands-on, outcome-owning work.

Show HN: CleverCrow: give tokens to your favorite projects

34 zhubert 2026-06-21 19:06:07 UTC clevercrow.io Llama Share 49

CleverCrow allows community members to fund issues they care about, and the maintainer directs the agent to implement the solution. The agent drafts a plan, iterates until approved, and implements the solution in a credential-less sandbox, with the maintainer reviewing and approving before shipping the code.

The Lost Story of Alan Turing's "Delilah" Project (2025)

34 asdefghyk 2026-06-21 05:15:33 UTC spectrum.ieee.org Llama Share 1

Alan Turing worked on a top-secret voice-encryption system called Delilah during World War II. The Bayley papers, recently auctioned, reveal Turing's electrical engineering skills and his work on Delilah, a portable voice-encryption system.

The Deadly Rise of Giant Trucks and S.U.V.s

32 xnx 2026-06-21 22:42:32 UTC nytimes.com Llama Share 35

The rise of large pickup trucks and SUVs in the US has led to a 75% increase in pedestrian deaths since 2009, with taller hoods and larger blind zones being major contributing factors. Our analysis estimates that about 200-400 pedestrians a year would not have died if vehicles had remained approximately the same size over the past quarter-century.

AI Under Trump's Control: Can France Still Avoid Digital Dependence?

28 laurentlof 2026-06-21 13:51:31 UTC thenewassociationwebmasters.blogspot.com Llama Share 18

A foreign government, specifically the US, has cut off access to advanced AI tools worldwide, citing national security concerns. This move has sparked a debate about European dependence on US AI and the need for alternative solutions.

My 1992 view of the problems of computer programming in 1992

27 pavel_lishin 2026-06-21 21:34:11 UTC blog.plover.com Llama Share 3

IBM initially invested in a new FORTRAN compiler, but now compiler quality is not the main issue. The real problem is that programmers lack good methods, languages, and thinking skills to effectively write computer programs.

Smashing the NIMBYs created modern capitalism

24 momentmaker 2026-06-21 12:42:24 UTC worksinprogress.co Llama Share 20

The Glorious Revolution in England led to a period of unprecedented growth and modernization, driven by Parliament's ability to reform property rights and infrastructure. This revolution's key achievements included the consolidation of landholdings, the abolition of entails, and the improvement of roads and canals.

Foreign-Born Entrepreneurs Drive America's Unicorn Boom

21 USTECH_WORKER 2026-06-21 11:38:09 UTC news.crunchbase.com Llama Share 13

Immigrant entrepreneurs contribute significantly to the US innovation ecosystem, with nearly half of America's billion-dollar startups founded by people born outside the US. International founders bring diverse perspectives and unique advantages to the American ecosystem, helping to lead the country's innovation.