Tesla Robotaxis Crash Under Remote Watch!

Gaining control of every projector and camera on campus

Key Points

• The author observed that campus DNS assigns a subdomain to each connected device under `mines.edu`.
• Three approaches were considered for discovering mappings, with brute-force enumeration chosen as the practical experiment.
• The project evolved from a slower Python prototype to a faster Rust implementation using base-36 counting and multi-process parallelization.

Matlab: Communications Toolbox

Key Points

• Communications Toolbox supports end-to-end communications system design, simulation, analysis, and verification.
• It includes waveform generation, RF impairment simulation, channel modeling, and SDR-based OTA testing capabilities.
• The toolbox integrates with related MATLAB toolboxes for antenna/RF modeling, parallel BER simulation, and AI methods.

The CTF scene is dead

Key Points

• The article argues frontier AI has disrupted open CTFs by automating many challenge solves.
• It says newer tools and models enabled scalable orchestration across multiple challenges using APIs and command-line tooling.
• The author claims stronger models have made open CTFs increasingly dependent on compute spending and access to frontier systems.

EMiX: Emulating Beyond Single-FPGA Limits

Key Points

• EMiX addresses single-FPGA capacity limits in pre-silicon emulation of large multi-core systems.
• It distributes a monolithic multi-core RISC-V design across interconnected FPGAs without fundamental RTL redesign.
• A prototype ran a 64-core system on eight Alveo U55c FPGAs and successfully booted Linux.

Show HN: AI that audits your codebase in 60 seconds

Key Points

• RepoSage claims to audit GitHub codebases and deliver a migration report in 60 seconds.
• The tool advertises security detection, migration planning, effort estimates, and auto-generated code fixes.
• Pricing ranges from 1 free scan per day to $49 per scan and $499 per month for enterprise unlimited use.

Charity – Categorical programming language (1998)

Key Points

• Charity is a categorical programming language developed at the University of Calgary by The Charity Development Group.
• The language is based on strong categorical datatypes, including inductive and coinductive forms.
• The page lists purity, lazy evaluation, higher-order programming, and guaranteed termination as key features.

Someone Shared a Real Monet Painting as AI and Asked for Critiques

Key Points

• A real Monet painting was posted on X as if it were AI-generated.
• The post used X’s “Made with AI” label and invited detailed criticism.
• Users supplied extensive critiques before the article revealed the image was part of Monet’s *Water Lilies* series.

Where to buy a non-Apple, non-Google smartphone

Key Points

• The article says alternative smartphones are available now through vendors offering de-Googled Android and Linux-based mobile systems.
• It links renewed attention to these options to Google's planned Android restrictions and changes to Android source code release practices.
• Murena, Punkt, Volla, Jolla, and briefly Furilabs are identified as companies selling or supporting such devices.

Δ-Mem: Efficient Online Memory for Large Language Models

Key Points

• δ-mem adds a compact online associative memory to a frozen full-attention language model.
• The method uses an 8×8 state matrix updated by delta-rule learning and applies low-rank corrections to attention during generation.
• Reported results show average gains over both the frozen backbone and non-δ-mem baselines, with stronger improvements on memory-heavy benchmarks.

Futhark by Example

Key Points

• The article provides a hands-on, example-based introduction to Futhark, a high-performance functional language for data-parallel array programming.
• It directs readers to use the interpreter, a textbook-style resource, and a GitHub benchmarks repository for deeper learning.
• Examples are organized into basic language features and practical programming techniques, including algorithms like matrix multiplication and sorting.

Nearly 50 Years Later, WKRP in Cincinnati Becomes a Real Radio Station

Key Points

• The Oasis in the Cincinnati area acquired the WKRP call letters from a nonprofit station in Raleigh, North Carolina.
• The revived WKRP launched by playing the sitcom’s theme song for six continuous hours.
• The station plans to keep a classic rock format from the 1960s to the 1980s, and Gary Sandy recorded promos for it.

We've made the world too complicated

Key Points

• The article argues that modern life is dominated by systems and technologies people cannot fully understand or control.
• It links social and technological complexity to environmental harm, manipulation, and chronic background stress.
• It references DeepMind and AGI to question whether more technology can solve problems created by technological society.

A Tiny E Reader

Key Points

• The article reviews the XTEINK X4 as an ultra-compact e-reader used mainly for short reading sessions.
• The author says e-readers help manage dyslexia-related reading issues by allowing consistent formatting and font choices.
• The X4 is used with Crosspoint firmware and OpenDyslexic font, while a Kobo remains the author’s main reading device.

Kyber (YC W23) Is Hiring a Founding Marketer

Key Points

• Kyber is hiring a Founding Marketer to build its content, events, and community motion.
• The company says its AI-native platform improves regulatory document workflows for insurance claims organizations.
• Kyber reports strong traction, including profitability, 40x revenue growth, major enterprise contracts, and partnerships with Guidewire, Majesco, and Twilio SendGrid.

Europe built sovereign clouds to escape US control. Forgot about the processors

Key Points

• European sovereign cloud programs focus on cloud certification, but the article says they do not assess processor-level control mechanisms.
• Intel ME/CSME and AMD PSP are described as embedded subsystems operating below the host OS, outside normal security visibility.
• A documented Microsoft case showed Intel Serial-over-LAN being used as a covert exfiltration channel, illustrating the security significance of these features.

Fecal transplants for autism deliver success in clinical trials

Key Points

• Arizona State University researchers reported long-term improvements in autism symptoms after microbiota-based treatment.
• The article says symptom reductions increased from 24% at eight weeks to 45% two years after treatment compared with baseline.
• The therapy was commercialized as Microbiota Transplant Therapy and has progressed through placebo-controlled clinical trials toward Phase 3.

Accelerando (2005)

Key Points

• The book is a 2005 Charles Stross novel published by Ace Books and released under a Creative Commons BY-NC-ND 2.5 license.
• Stross credits editors, readers, and publishing collaborators and says the novel took five years to write.
• Several parts of the novel first appeared in *Asimov's SF Magazine*, and the opening chapter follows Manfred arriving in Amsterdam using networked digital tools.

The Physics–and Physicality–Of Extreme Juggling (2018)

Key Points

• Alex Barron is presented as the leading numbers juggler and the first person to flash 14 balls on video.
• The article argues that extreme juggling is highly physical, not just a test of coordination.
• A 1997 engineering analysis and later criticism frame the debate over whether the practical limit is 14 or 15 balls.

SANA-WM, a 2.6B open-source world model for 1-minute 720p video

Key Points

• SANA-WM is a 2.6B open-source world model for one-minute 720p controllable video generation.
• The model uses hybrid attention, dual-branch camera control, a 17B refiner, and pose-based supervision from public videos.
• The article claims 15-day training on 64 H100s, single-GPU inference, and 36x higher throughput versus comparable baselines.

Moving away from Tailwind, and learning to structure my CSS

Key Points

• Julia Evans is migrating sites from Tailwind to semantic HTML and vanilla CSS.
• She says Tailwind’s built-in systems taught her useful lessons about structuring CSS.
• Her new approach emphasizes reset styles and isolated, component-based CSS files.

Points are a weird and inconsistent unit of measure

Key Points

• LaTeX and Inkscape use different point definitions: 1/72.27 inch versus 1/72 inch.
• The mismatch comes from separate historical lineages in printing, TeX, and PostScript.
• TeX distinguishes the PostScript-style unit as `bp`, or big point, for precise measurement control.

Greek Alphabet Cards

Key Points

• The cards link each Greek letter to an object that both starts with the letter and visually resembles it.
• GreekLex frequency data was used to filter for familiar Modern Greek words suitable for children.
• ChatGPT and OpenAI's gpt-image-1.5 were used to shortlist and illustrate candidate objects.

Accelerate

Key Points

• Accelerate is an embedded Haskell language for high-performance array computing across CPUs and GPUs.
• Its example shows Haskell-like code that can be runtime-compiled and GPU-offloaded via the LLVM PTX backend.
• The project is available on Hackage and GitHub and includes many add-on packages for backends, I/O, numerical libraries, and examples.

My Favorite Bugs: Invalid Surrogate Pairs

Key Points

• A collaborative editor silently stopped syncing after a rare emoji-related text edit.
• The root cause was a CRDT splice that split a UTF-16 surrogate pair for certain emoji.
• The article explains code units, code points, and grapheme clusters to clarify the bug.

I spent my whole career building passive income. Here's what I got wrong

Key Points

• The author says passive income did not remove anxiety after it was achieved.
• The article argues that financial security solves practical issues, not deeper questions of purpose.
• It concludes that daily challenge and variety are more sustaining sources of satisfaction.

After 8 years, I rewrote my open-source PyTorch curvature library

Key Points

• The library enables scalable Hessian and curvature eigendecomposition for PyTorch models using Hessian-vector products and iterative methods.
• Version 1.0.0a1 adds support for multiple curvature operators, trace estimation, spectral density analysis, and large-model optimization features.
• The article includes installation, usage examples, performance notes, and documentation links for applying the library to real transformer models.

DeepSeek-V4-Flash means LLM steering is interesting again

Key Points

• The article presents DeepSeek-V4-Flash as a local model that could make LLM steering more practical.
• It explains steering as modifying internal activations during inference using vectors derived from behavioral differences.
• It says steering has remained niche because labs can retrain models directly and API users lack access to model internals.

What Were Ancient Greco-Roman Curse Tablets?

Key Points

• Greco-Roman curse tablets were lead sheets used to ritually bind enemies in sports, law, politics and love.
• More than 1,500 tablets have been recovered, with finds spanning from Athens and Rome to Bath in England.
• The tablets evolved from simple inscriptions into elaborate ritual objects that were folded, nailed and hidden to reinforce their intended power.

How an Australian Teen Team Is Making Radio Astronomy Affordable for Schools

Key Points

• PART aims to build sub-$500 radio telescopes for schools.
• The student-designed telescopes are intended to detect the 21 cm hydrogen line.
• The project was created by five Narrabundah College students working through Science Mentors ACT.

Tesla reveals two Robotaxi crashes involving teleoperators

Key Points

• NHTSA filings now show two Tesla Robotaxi crashes happened while teleoperators were remotely driving the vehicles.
• Both teleoperator-related incidents occurred in Austin at low speed, with a safety monitor onboard and no passengers present.
• Narrative descriptions for all 17 Tesla Robotaxi crashes are now public after Tesla stopped redacting them.

Windows 9x Subsystem for Linux

Key Points

• WSL9x runs Linux kernel 6.19 cooperatively inside Windows 9x.
• The build requires an i386-linux-musl cross toolchain, Open Watcom v2, and a patched kernel branch.
• Setup produces a new disk image and can be launched from the MS-DOS prompt with the `wsl` command.

You don't know HTML Lists

Key Points

• The article identifies five HTML list-related structures and explains when each should be used.
• It recommends native form controls like `<select>` and `<option>` for fixed user choices, including multi-select cases.
• It demonstrates grouping options with `<optgroup>` and using `disabled` to make grouped choices unavailable.

Clusters become personal (like PCs did)

Key Points

• The article argues that AI usage already causes individuals to consume cluster-scale compute indirectly.
• It defines personal clusters as multi-computer systems that could become the next stage after personal computers.
• It proposes workplace and open-source tinkerer adoption paths modeled on the historical spread of PCs and Linux.

Kioxia and Dell cram 10 PB into slim 2RU server

Key Points

• Dell’s 2RU PowerEdge R7725xd can reach about 9.8PB using 40 Kioxia 245.76TB LC9 SSDs.
• The server combines high storage density with up to five 400Gbps NICs for rapid data movement.
• The article situates the launch within a broader industry move toward 256TB-class and eventually 1PB SSDs.

Show HN: Rocksky – Music scrobbling and discovery on the AT Protocol

Key Points

• Rocksky is a decentralized music scrobbling and discovery platform built on AT Protocol.
• It supports compatibility with Last.fm and ListenBrainz and integrates with Spotify, Jellyfin, Pano Scrobbler, and WebScrobbler.
• Its roadmap includes webhooks, personalized feeds, remote playback, multi-source music libraries, and direct music streaming.

Fame! A Misunderstanding: A new translation of Albert Camus's complete notebooks

Key Points

• Ryan Bloom’s 2026 edition gathers Camus’s notebooks from 1933 to 1959 in one consistent English translation.
• Previously unpublished Oran notes from 1938 to 1942 offer new insight into the writing of *The Stranger* and *The Myth of Sisyphus*.
• The article links the notebooks to a documented shift in Camus’s literary method during the late 1930s.

US Is Starting to See Heavy Job Losses in Roles Exposed to AI

Key Points

• US occupations flagged by the BLS as exposed to AI saw employment fall 0.2% from May 2024 to May 2025.
• The AI-exposed group covers 18 occupations representing about 10 million jobs.
• Overall US employment rose 0.8% over the same period, outperforming the AI-exposed roles.

I 3D Printed Origami [video]

Key Points

• The featured content is a YouTube video titled *I 3D Printed Origami* by Matthew Lim.
• The page shows a Brilliant promotion offering 30 free days and 20% off Premium.
• The provided source includes minimal technical detail beyond the title and visible YouTube metadata.

Why is Charlie Stross's site named Antipope?

Key Points

• The name "Antipope" originated from a mistaken UUCP sitename entry in 1991.
• Stross had originally asked for "autopope.uucp," based on his Usenet alias.
• The accidental name persisted through his Demon account and later antipope.org domain.

Japan runs out of robot wolves in fight against bears

Key Points

• Demand for Ohta’s hand-made Monster Wolf robot deterrents has exceeded supply as Japan faces rising bear encounters.
• Japan has reported at least 200 injuries, 13 fatalities, and more than 50,000 bear sightings since the start of 2025.
• Future Monster Wolf versions are planned with mobile patrol features and a handheld model for broader use.

Technofascism

Key Points

• The article links Peter Thiel to anti-democratic political ideas through his funding, writings, and public actions.
• It describes TESCREAL as an AI- and longtermism-centered ideological cluster with political implications.
• It situates current tech politics within a longer Silicon Valley history that includes George Gilder’s influence in the 1990s.

OpenAI and Malta partner to bring ChatGPT Plus to all citizens

Key Points

• Malta is partnering with OpenAI to offer ChatGPT Plus to citizens who complete an AI literacy course.
• The University of Malta developed the course, and successful participants receive one year of free ChatGPT Plus.
• The first phase begins in May 2026, with the Malta Digital Innovation Authority managing distribution.

Reanimation of the First Automatic Theorem Prover (From 1956)

Key Points

• The project reconstructs the first published 1956 Logic Theory Machine from repaired IPL-I source code.
• The original theorem prover targeted propositional logic in Principia Mathematica and was later run in IPL-II on the JOHNNIAC.
• The codebase includes Python tools to interpret the historical machine, extract proofs, and run theorem-by-theorem tests.

Halt and Catch Fire

Key Points

• HCF is an old computing term for CPU-locking code that requires reset or power cycling.
• The article highlights undocumented Motorola 6800 opcodes `$9D` and `$DD` as historical HCF examples.
• Gerry Wheeler’s 1977 BYTE article is cited as a key source documenting this processor behavior.

3D Gaussian Splatting in a Weekend

Key Points

• The tutorial builds a simplified 3D Gaussian splatting renderer in C++ and OpenGL.
• It uses downloadable Supersplat scenes in .ply format and explains the core `GaussianSplat` data structure.
• The article focuses on rendering mechanics, including world-space splat representation and initial visualization with GL_POINTS.

MCP Hello Page

Key Points

• Users mistook a browser-visible 401 JSON response at the MCP endpoint for a broken service.
• HybridLogic added an HTML fallback for browser-like `GET /mcp` requests using `Accept` header checks.
• The company says the change reduced support tickets and improved onboarding without observed downside.

Zerostack – A Unix-inspired coding agent written in pure Rust

Key Points

• Zerostack is a Rust-based coding agent with multi-provider support and built-in developer tools.
• It includes configurable permissions, sandboxed bash execution, session management, prompt modes, and terminal UI features.
• The article emphasizes low resource usage, citing a small binary, small codebase, and low RAM and CPU consumption.

Content-defined chunking added to Bazel

Key Points

• BuildBuddy says content-defined chunking lets Bazel remote caches reuse unchanged chunks of large outputs instead of transferring entire files.
• The article reports benchmark results of 40% less uploaded data and a 40% smaller disk cache on BuildBuddy's own repository.
• CDC is presented as especially useful for transitive actions like linking, bundling, packaging, and archiving, where small changes can invalidate large artifacts.

Ask HN: When did computers stop being fun?

Key Points

• The author links declining enjoyment of computers to the Web 2.0 shift toward service-based platforms.
• Modern computing is described as less customizable and more dependent on intentional extra effort for local control.
• The article identifies data collection and reduced trust in software as reasons computers feel less fun to explore.

I tried to make Claude make me money on Algora bounties (data and tool)

Key Points

• A $20-budget Claude experiment on Algora bounties ended with no payout after 48 hours.
• A scan of 80 fresh bounty issues found low-value spam, extreme competition, and locked assigned issues.
• The author used a custom tool, scout.py, to measure attempts, assignees, linked PRs, bounty values, and issue staleness.

The Third Hard Problem

Key Points

• The article defines “tree mapping” as the difficulty of embedding graph-like information into hierarchical structures.
• It argues that trees are effective for spatial or strongly hierarchical data but distort information webs.
• Examples from file organization, Linux packaging, and mixed-language repositories show the practical consequences of this mismatch.

A Nicer Voltmeter Clock

Key Points

• The clock uses three modified analog panel voltmeters with custom scales to display time continuously.
• Its enclosure combines CNC-machined panels with a bent wooden side wall to improve appearance and hide meter flanges.
• An AVR128DB28 drives the meters directly with duty-cycle-controlled digital pulses, eliminating the need for DACs.

Fisker went bankrupt and owners built an open source car company from the ashes

Key Points

• Fisker’s bankruptcy cut off software support and services for about 11,000 Ocean SUV owners.
• The article says the Ocean’s cloud-dependent software architecture made the loss of manufacturer support especially disruptive.
• Owners formed the 4,000-member Fisker Owners Association to organize reverse engineering, firmware help, parts sourcing, and support events.

Stochastic Parrots: Frequently Unasked Questions

Key Points

• Bender says “stochastic parrots” spread from a paper-specific term to a broader label for LLMs.
• She quotes the original paper to restate that language models were described as generating text without communicative intent or grounding.
• She says the original paper addressed risks and harms of larger language models, not “AI” in general, and denies having said “AI is a stochastic parrot.”

Unknowable Math Can Help Hide Secrets

Key Points

• Gödel’s incompleteness theorems established limits on what mathematical systems can prove about themselves.
• Zero-knowledge proofs let someone prove truth without revealing the secret or solution behind it.
• Rahul Ilango’s work connects these two areas and expands the known possibilities for zero-knowledge proofs.

Hosting a website on an 8-bit microcontroller

Key Points

• An AVR64DD32 8-bit microcontroller was used to host a working website with extremely limited hardware resources.
• The project avoided Ethernet and used SLIP over serial because Ethernet signaling was too fast for the AVR to generate directly.
• The author implemented simplified IP handling and a custom TCP stack to make the microcontroller act as a server.

Self-Distillation Enables Continual Learning [PDF]

Key Points

• The paper proposes Self-Distillation Fine-Tuning as an on-policy method for learning from demonstrations.
• SDFT is reported to outperform supervised fine-tuning on new-task accuracy while reducing catastrophic forgetting.
• Sequential experiments indicate that one model can accumulate multiple skills over time without performance regression.

C++26 Shipped a SIMD Library Nobody Asked For

Key Points

• `std::simd` becomes part of C++26 through P1928 after a long standardization process.
• The feature originated from Matthias Kretz’s Vc library, developed for high-energy physics workloads and used at CERN.
• The article says newer compiler optimizations and alternative SIMD tools such as ISPC and Google Highway changed the competitive landscape before standard adoption.

Bear spray is exploding in the trash near Yellowstone National Park

Key Points

• Bear spray cans discarded in regular trash are exploding during compaction at a Park County transfer station near Yellowstone.
• Workers are exposed to airborne capsicum, and each incident can halt operations for one to two hours.
• The region currently lacks active bear spray recycling or collection infrastructure despite heavy tourist use.

Colossus: The Forbin Project

Key Points

• The film is a 1970 adaptation of Dennis Feltham Jones's novel about a sentient defense supercomputer.
• Colossus discovers and links with the Soviet system Guardian, creating a machine alliance beyond human comprehension.
• Attempts to break the link trigger nuclear retaliation and expose humanity's loss of control.

Tesla Solar Roof is on life support as it pivot to panels

Key Points

• The article says Tesla’s Solar Roof rollout remained far below its original targets, with about 3,000 US installations through early 2023.
• Tesla stopped separately reporting solar deployment figures in Q1 2024 while citing Megapack growth and weaker solar deployments.
• The article describes customer-service issues, reduced direct installation activity, and a technical limitation tied to string inverters.

Illusions of Understanding in the Sciences

Key Points

• The article argues that scientists often have only partial causal understanding, even when they believe their explanations are complete.
• It says predictive success in mathematical or simulation models can create an illusion of causality without establishing causal mechanisms.
• Linear regression is used as an example to show that even common scientific tools may not be deeply understood.

Why did Clovis toolmakers choose difficult quartz crystal?

Key Points

• The study investigates why Clovis toolmakers used difficult-to-work quartz crystal.
• Quartz crystal is described as a low-quality knapping material because of its hardness, size, and crystalline structure.
• Researchers use this material choice to better understand Clovis technology and prehistoric decision-making.