Show HN: Gemini Pro 3 hallucinates the HN front page 10 years from now

Ask HN: Should "I asked $AI, and it said" replies be forbidden in HN guidelines?

User thinks LLM-generated comments on HN are distracting and want to discuss updating guidelines to limit them. They prefer human conversation and think LLM responses should be restricted or discouraged.

10 Years of Let's Encrypt

https://letsencrypt.org/images/blog/blog-2025-12-09-chart1.jpg
Let's Encrypt issued its first publicly-trusted certificate in 2015 and has since become the largest certificate authority, protecting over 900 million websites. The nonprofit's goal is to make HTTPS encryption prevalent, which has increased from below 30% to around 80% globally.

Horses: AI progress is steady. Human equivalence is sudden

https://andyljones.com/source/horses/horse_efficiency.png
The speaker discussed how AI surpassed human capabilities in chess and job automation, with Claude answering 30,000 questions a month. This rapid progress is comparable to the replacement of horses by mechanical engines.

Mistral releases Devstral2 and Mistral Vibe CLI

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Mistral AI releases Devstral 2, a 123B-parameter open-source coding model, and Devstral Small 2, a 24B-parameter model, both permissively licensed to accelerate distributed intelligence. Devstral 2 achieves 72.2% on SWE-bench Verified, while Devstral Small 2 scores 68.0%, with both models being highly cost efficient.

Handsdown one of the coolest 3D websites

https://bruno-simon.com/ui/previews/home.webp
This user's portfolio is a 3D world built with Three.js library, showcasing their skills and work. It includes devlogs on their YouTube channel and open-source code on GitHub.

PeerTube is recognized as a digital public good by Digital Public Goods Alliance

The solution submitted various repositories and content sources for evaluation. Ricardo Torres reviewed PeerTube and found it to meet the DPG Standard.

Pebble Index 01 – External memory for your brain

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The user invented Pebble Index 01, a small ring with a button and microphone that records thoughts and sends them to the user's phone for note-taking, reminders, and review. The ring is customizable, private, and has a long battery life, and it can be pre-ordered for $75 with a price increase to $99 after March 2026.

If you're going to vibe code, why not do it in C?

The author, a programmer and professor, discusses the rise of "vibe coding" where AI models write code, and while it's convenient, it takes away the fun and satisfaction of writing code by hand. The author proposes the idea of a "vibe-oriented programming language" that would be designed specifically for AI models to write code, but questions whether this would be a step forward or a step ...

The universal weight subspace hypothesis

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Deep neural networks trained on diverse tasks converge to shared low-dimensional subspaces. This shared structure has implications for model reusability, multi-task learning, and developing more efficient algorithms.

Apple's slow AI pace becomes a strength as market grows weary of spending

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Apple's stock has surged 35% since June as investors question AI spending by tech giants, viewing Apple's cautious approach as a strength. Apple's market capitalization has reached $4.1 trillion, making it the second biggest weight in the S&P 500.

Django: what’s new in 6.0

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Django 6.0 has been released with several new features including template partials, a built-in Tasks framework for running code outside the HTTP request-response cycle, and built-in support for the Content Security Policy (CSP) standard. Other notable changes include improvements to the ORM, such as refreshing generated fields after save(), and the addition of the StringAgg aggregate function.

30 Year Anniversary of WarCraft II: Tides of Darkness

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WarCraft II: Tides of Darkness was released in 1995 with improved graphics and features like naval and aerial combat, and Fog of War. It received enthusiastic reviews and helped fuel the RTS boom of the late 1990s, becoming one of the best games of 1995.

Donating the Model Context Protocol and establishing the Agentic AI Foundation

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We're donating the Model Context Protocol (MCP) to the Agentic AI Foundation under the Linux Foundation for open collaboration and neutrality. MCP has achieved 10,000+ active servers, adoption by popular AI products, and official SDKs with 97M+ monthly downloads.

The Joy of Playing Grandia, on Sega Saturn

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The Saturn is experiencing a renaissance due to dedicated translator teams unlocking Japanese titles for new audiences. Grandia, a text-heavy RPG, is one such title that has been translated for the Saturn, offering a story-driven experience with 3D environments and a complex combat system.

Kaiju – General purpose 3D/2D game engine in Go and Vulkan with built in editor

https://opengraph.githubassets.com/e462c492cab2274c42700ae70c928840340aae5f9868ade65785e10757efad77/KaijuEngine/kaiju
Kaiju is a Go-based game engine using Vulkan for 2D/3D rendering, aiming for simplicity and high performance. It achieves 5,400 FPS on a black background and cube, and 2,712 FPS with a complete game, outperforming Unity.

Modern Walkmans

https://walkman.land/public/img/modern/aurex-1.jpg
Several companies have released modern portable cassette players with Bluetooth connectivity, allowing users to play cassettes wirelessly and enjoy realistic sound. These players also come with features like FM/AM radio playback, voice activation, and record functions, making them a nostalgic and convenient option for music lovers.

Show HN: AlgoDrill – Interactive drills to stop forgetting LeetCode patterns

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NeetCode helps students master LeetCode problems through guided steps and fill-in-the-code drills to turn solutions into automatic recall. This approach is used by top students at universities like UC Berkeley and Georgia Tech to land offers at FAANG+ companies.

So you want to speak at software conferences?

https://dylanbeattie.net/images/dylanbeattie_800x800.jpg
To take your public speaking to the next level, figure out what success means to you and be realistic about the work involved. Start by giving talks at local user groups, community conferences, and meetups, and then submit to bigger conferences once you have a track record of delivering good talks.

My favourite small hash table

The user discusses a hash table design called Robin Hood open-addressing with linear probing and power-of-two table size, which stores 64-bit integers as key-value pairs. The design includes lookup, insertion, removal, and iteration functions, and can be extended for non-randomly distributed keys and larger key-value pairs.

Richard Stallman on ChatGPT

The user argues that ChatGPT is not intelligent, as it lacks understanding and cannot know the meaning of its output. They also criticize its unreleased software and server-based usage, which they claim trashes computing freedom.

Manual: Spaces

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Whitespace is a crucial typographic element that affects text rhythm and organization, and its width can vary depending on the typeface, point size, and line width. Proper use of whitespace, including word spacing, non-breaking spaces, and additional spaces, is essential for creating a clear and visually appealing design.

How private equity is changing housing

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The US housing crisis is caused by multiple factors including restrictive zoning codes, high interest rates, and expensive labor. Corporate ownership of homes, particularly in low-income neighborhoods, is exacerbating the crisis by pushing up rents and displacing families.

Mazda suitcase car, a portable three-wheeled vehicle that fits in the luggage

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Mazda engineers built a portable three-wheeled vehicle in the early 1990s to move around airports faster. The suitcase car weighed 32 kilos and reached 30 km/h, but never made it to production.

“The Matilda Effect”: Pioneering Women Scientists Written Out of Science History

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Women scientists like Dr. Lise Meitner and Alice Augusta Ball made significant contributions to their fields but were often overlooked and denied recognition. Their work was often attributed to male colleagues, leading to the "Matilda effect" where women's contributions are erased from history.

America Has Become a Digital Narco-State

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The US government is failing to regulate social media, allowing it to harm users, especially children, and spread hate speech. Social media giants use their wealth to block regulation, even threatening US officials who support European efforts to limit their influence.

The stack circuitry of the Intel 8087 floating point chip, reverse-engineered

https://static.righto.com/images/8087-stack/8087-die-labeled-w450.jpg
The 8087 floating-point coprocessor, introduced in 1980, significantly improved performance for applications like AutoCAD and flight simulators. Despite its complex design and initial skepticism, the 8087 became a huge success and its floating-point system remains influential in modern computers.

Agentic AI Foundation

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The Agentic AI Foundation (AAIF) is a vendor-neutral home for open source agentic AI projects, ensuring collaboration and interoperability. It brings together leaders like Block, Anthropic, and OpenAI to advance agentic AI with open standards and protocols.

The Lost Machine Automats and Self-Service Cafeterias of NYC (2023)

https://www.untappedcities.com/content/images/wp-content/uploads/2022/10/marvelous-mrs-maisel-filming-locations-horn-and-hardart-set-amazon-studios-crown-heights-brooklyn-nyc2-1.jpg
Automats and self-service cafeterias were a staple of New York City's dining scene in the 20th century, offering affordable food and social spaces. Many iconic locations, such as Horn & Hardart and Dubrow's Cafeteria, have closed, but their legacy lives on in New York City culture.

A supersonic engine core makes the perfect power turbine

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Boom is developing a new 42-megawatt natural gas turbine called Superpower to address America's energy crisis. Superpower is designed for continuous high-temperature operation and will be used to power AI data centers and other demanding applications.

Torture Techniques from CIA Black Sites Were Used at Alligator Alcatraz

https://www.forever-wars.com/content/images/size/w2000/2025/12/Screenshot-2025-12-08-at-1.58.33---PM-1.png
The CIA used the Confinement Box, a coffin-shaped box, to torture Abu Zubaydah for 20 days in 2002. The technique was later used in Florida's Alligator Alcatraz facility to punish migrants.

The closer we look at time, the stranger it gets

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Physicists have three different definitions of time: a mathematical label, a dimension in spacetime, and an irreversible direction. They struggle to reconcile these definitions with quantum mechanics and General Relativity.

After the Bubble

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The author believes the GenAI bubble will burst, causing widespread damage and a severe hangover. They point out issues with GPU fragility and expensive power consumption, as well as the use of Special Purpose Vehicles to hide debt, which could lead to a financial crisis.

Where are you supposed to go if you don't care about growth?

I'm struggling to find a job that aligns with my values due to lack of experience. I'm considering small companies or personal projects over corporate jobs that don't motivate me.

Brent's Encapsulated C Programming Rules (2020)

The user provides C programming rules focusing on encapsulation, memory management, and code readability, emphasizing the importance of explicit memory ownership and avoiding void pointers. They also discuss best practices for string handling, testing, and code organization, recommending the use of standard library functions and avoiding unnecessary complexity.

Rahm Emanuel says U.S. should follow Australia's youth social media ban

Rahm Emanuel wants to ban social media for teens under 18 to protect their mental health, citing a public health issue. He's taking a tougher stance than some Democratic rivals and positioning himself against Big Tech.

The Big Vitamin D Mistake [pdf] (2017)

We Need to Die

The author opposes the idea of removing death as a natural part of life, feeling that it's essential for human existence and motivation. They believe that death provides a deadline that drives people to pursue their goals and desires.

Show HN: Detail, a Bug Finder

https://framerusercontent.com/images/JpvfHg4n715Cl7Y1G3oZjIcTAo.png?width=1300&height=692
The user tested Detail, a powerful AI tool, which found multiple high priority bugs in their code, including some that could have caused significant issues. They highly recommend Detail for fast moving teams adopting agents and serious about maintaining a high quality bar.

ZX Spectrum Next on the Internet: Xberry Pi ESP01 and Pi Zero Upgrades

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The user upgraded their Xberry Pi ZX Spectrum Next with a Pi Zero accelerator and ESP 8266 Wifi module, but encountered issues with the ESP firmware update. They found that not updating the ESP 01 firmware was the key to getting it working.

Qt, Linux and everything: Debugging Qt WebAssembly

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To debug Qt Webassembly, use the -g argument or CMAKE_BUILD_TYPE=Debug to embed DWARF symbols in binaries. Enable DWARF in Chrome browser developer tools and install C/C++ DevTools Support extension for debugging.

Scientific and Technical Amateur Radio

The ESCAPADE mission is a twin spacecraft studying Mars magnetosphere, launched on Blue Origin's NG-2 mission, and will use a unique trajectory to reach Mars. The mission's leader, UC Berkeley, has also released a new Python package called sigmf-toolkit for working with SigMF files.

EU investigates Google over AI-generated summaries in search results

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The EU is investigating Google over its AI summaries and use of YouTube videos to improve its AI systems, citing concerns over compensation for publishers and creators. Google says the probe risks stifling innovation in a competitive market.

Launch HN: Mentat (YC F24) – Controlling LLMs with Runtime Intervention

Cyril from CTGT launched Mentat, an API that gives developers deterministic control over LLM behavior. It uses feature-level intervention and graph-based verification to fix hallucinations and enforce policies in highly regulated industries.

Oliver Sacks Put Himself into His Case Studies. What Was the Cost?

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Oliver Sacks, a neurologist, struggled with his gay identity in the 1960s, feeling trapped and isolated. He found solace in his work and therapy with Dr. Leonard Shengold, but his writing often blurred the lines between fact and fiction.

Linux CVEs, more than you ever wanted to know

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Linux became a Certificate Numbering Authority in 2023, issuing CVEs for the kernel and becoming the largest creator by quantity. A series of posts explains the process, tools, and versioning scheme used for CVE reporting and tracking in the Linux kernel community.

OpenAI Staffers Quit, Alleging Economic Research Is Drifting Into AI Advocacy

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OpenAI has allegedly become more guarded about publishing research on AI's negative economic impact, leading to employee departures and concerns about censorship. The company's shift comes as it deepens partnerships with corporations and governments, cementing its role in the global economy.

Why frozen test fixtures are a problem on large projects and how to avoid them

https://radanskoric.com/assets/img/posts/covers/frozen-test-fixtures.png
Fixtures can be problematic in large test suites due to their reusability, which can lead to frozen fixtures. This can be minimized by writing tests that focus on specific properties of the code and avoid making assumptions about fixtures.

Please Don't

Hacker News Search, millions articles and comments at your fingertips.

OpenEvolve: Teaching LLMs to Discover Algorithms Through Evolution

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OpenEvolve is an open-source evolutionary coding agent that uses large language models to discover algorithms. It integrates LLMs into a quality-diversity search framework for parallel, diversified exploration across various domains.

Firewood Banks Aren't Inspiring. They're a Sign of Collapse

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Rural America relies on wood heat due to failed basic systems, with wood banks providing free fuel to those in need. These community efforts are a sign of collapse, not community spirit, as people struggle to afford heating assistance programs.

A thousand-year-long composition turns 25 (2024)

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Longplayer has been playing continuously for 25 years since midnight on December 31 1999, and will continue until December 31 2999. It's a unique composition that inspires long-term thinking and connects an international community through time.

MCP Joins the Agentic AI Foundation

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Anthropic donates Model Context Protocol to Agentic AI Foundation, a Linux Foundation directed fund, ensuring its vendor-neutrality and long-term independence. MCP will maintain autonomy under the Linux Foundation's neutral stewardship.

Berkeley professor's camera caught student allegedly sabotaging another student

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A UC Berkeley professor installed a hidden camera to catch a vandal damaging a fellow student's computer, and it captured 26-year-old Jiarui Zou causing over $400 in damage. Zou has been charged with three felony counts of vandalism and is due for his first court appearance on December 15.

I misused LLMs to diagnose myself and ended up bedridden for a week

The author used an LLM to self-diagnose Lyme disease and meningitis, ignoring doctor advice, and nearly suffered severe consequences. He learned that LLMs can be misleading and that seeking medical help is crucial.

Fate: A modern data client for React and tRPC

https://fate.technology/assets/fetch-tree.lQggxuyk.svg
Fate is a modern data client for React and tRPC that combines view composition, normalized caching, data masking, and tRPC's type safety to make data fetching and state management more composable, declarative, and predictable. Fate takes the great ideas from Relay and puts them on top of tRPC, providing a minimal API and a normalized cache to simplify data fetching and reduce boilerplate code.

Is your AI system illegal in the EU?

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EU's AI Act classifies AI applications into high-risk, limited risk, and minimal risk categories. US companies using AI for hiring, customer service, or risk assessment in the EU must comply with the Act's regulations.

The power of proximity to coworkers [pdf]

Proximity to coworkers increases coding feedback by 18.3% and improves code quality, especially among less-tenured and younger employees. However, experienced engineers may write less code when sitting near colleagues.

Engineers: Stop trying to win other people's game

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Software engineers should focus on mastering context and customer centricity to progress professionally. They should opt out of competing with others on established technologies and instead create their own opportunities in emerging areas like AI engineering.

Show HN: Gemini 3 imagines Hacker News as a HyperCard stack in 1994

Morphisms All the Way Down: API Design as Arrow-First Thinking

https://ibrahimcesar.cloud/ibrahimcesar.png
Traditional architecture focuses on objects, while categorical architecture focuses on relationships and morphisms between objects. Morphisms have more structure than objects, making them a key concept in designing loosely coupled systems with well-defined interfaces.

Show HN: Fate, a new data framework for React and tRPC, inspired by Relay

https://raw.githubusercontent.com/nkzw-tech/fate/main/public/fate-tree.svg
fate is a modern data client for React and tRPC that combines view composition, normalized caching, data masking, and tRPC's type safety. It fetches all required data in a single request and eliminates the need for imperative loading logic or manual error handling.