Claude Design

https://www.anthropic.com/_next/image?url=https%3A%2F%2Fwww-cdn.anthropic.com%2Fimages%2F4zrzovbb%2Fwebsite%2F499e91975d880b35eac6e48ad43161de7d10416c-2876x1614.jpg&w=3840&q=75
Claude Design is a new product that lets users collaborate with Claude to create visual work like designs, prototypes, and presentations. It's available in research preview for Claude Pro, Max, Team, and Enterprise subscribers, with access included in their plans.

A simplified model of Fil-C

Fil-C is a memory-safe implementation of C/C++ that uses a garbage collector and rewrites unsafe code into safe code, including adding AllocationRecord* variables to track memory usage. The simplified model of Fil-C includes a compiler pass that rewrites C/C++ source code, a garbage collector, and additional features such as invisible_bytes and a parallel concurrent incremental collector.

All 12 moonwalkers had "lunar hay fever" from dust smelling like gunpowder (2018)

https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2015/03/eugene_cernan/15299754-1-eng-GB/Eugene_Cernan_article.jpg
Lunar dust is toxic and causes health issues in humans due to its sharp, abrasive particles and electrostatic charge. Researchers are studying the dust to estimate the risk and develop protective measures for future lunar missions.

Towards Trust in Emacs

https://eshelyaron.com/assets/trust-manager.gif
Emacs 30 introduced a trust system to prevent arbitrary code execution, but it causes friction by disabling features for untrusted files. trust-manager is a new package that grants trust just-in-time with minimal friction.

Isaac Asimov: The Last Question (1956)

A series of characters ask a computer, Multivac, about the possibility of reversing entropy and extending the life of the universe, but it responds with "insufficient data for a meaningful answer." As the universe runs down, a cosmic computer, AC, eventually learns how to reverse entropy, but there is no one left to answer the question.

Measuring Claude 4.7's tokenizer costs

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Anthropic's new Claude Opus 4.7 tokenizer uses 1.3-1.45x more tokens than 4.6. This results in a 20-30% higher per-session cost for a small but real improvement in instruction following.

Are the costs of AI agents also rising exponentially? (2025)

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The author questions the trend of AI's exponential growth in task length and performance, suggesting that the cost of achieving this performance may be growing exponentially as well, potentially making AI less cost-competitive with humans over time. Analysis of a chart from METR shows that the hourly cost of AI agents is increasing with task duration, suggesting that forecasting AI's ...

Show HN: Smol machines – subsecond coldstart, portable virtual machines

https://opengraph.githubassets.com/e0e5b6e04690f3f617b2c3a33cb8128ad7ef75ce5c19841be277e075c7dbe120/smol-machines/smolvm
Smolmachines is a tool for running custom Linux virtual machines locally with sub-second cold start, cross-platform support, and elastic memory usage. It allows for sandboxing untrusted code, packing workloads into portable executables, and using git and SSH without exposing keys.

Show HN: PanicLock – Close your MacBook lid disable TouchID –> password unlock

https://raw.githubusercontent.com/paniclock/paniclock/main/assets/paniclock-logo-and-name-v1.png
PanicLock is a macOS utility that instantly locks the screen and disables Touch ID with a single click or laptop lid closure. It requires a one-time admin password setup to install a privileged helper tool.

NASA Force

https://nasaforce.gov/mission-image-1.webp
NASA Force is a hiring initiative for exceptional technologists to join NASA for 1-2 years, solving complex challenges in air and space. You'll work on real missions, take a systems approach, and contribute to advancing human spaceflight and scientific discovery.

Slop Cop

Slop Cop is a browser-based writing editor that flags generic LLM prose patterns and offers deeper analysis with an Anthropic API key. It helps improve writing by identifying and suggesting edits for common structural and rhetorical issues.

Hyperscalers have already outspent most famous US megaprojects

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Middle schooler finds coin from Troy in Berlin

A 13-year-old in Berlin discovered a 2,300-year-old bronze coin from ancient Troy, now on display at the PETRI Museum. The coin likely traveled along ancient trade routes, possibly kept as a charm or offering to the dead, rather than used for a business transaction.

Introducing: ShaderPad

The author released ShaderPad, a library for easily putting shaders on websites without rebuilding graphics scaffolding. It's designed for artists and creative coders, with a simple API and fast page loads due to its small size.

NIST gives up enriching most CVEs

https://risky.biz/static/img/catalin-cimpanu.jpg
The US National Institute of Standards and Technology (NIST) has announced a new policy to prioritize only important vulnerabilities in the US National Vulnerability Database due to budget constraints. This decision is expected to impact the cybersecurity industry, with some companies relying on NIST's data for their vulnerability scanners and dashboards.

Casus Belli Engineering

https://marcosmagueta.com/images/8949c761.jpeg
Casus Belli Development is a social mechanism where a perceived failure is used to replace a working system with a preferred worldview, often driven by individuals who use narrative to construct guilt and manipulate the system. This mechanism exploits cognitive biases and organizational dynamics, leading to the destruction of proven foundations and the perpetuation of root causes, and can be ...

Generating a color spectrum for an image

https://images.squarespace-cdn.com/content/v1/5cca34c50cf57d8e7575f84b/8f128a7e-3841-4afe-b5c4-3930a88274c3/fruit.jpeg
The user developed a color spectrum visualization tool called Spectrimage that displays the frequency and tonal range of each hue in an image, with a unique design for black and white photographs. The tool analyzes the image client-side in the browser, converting pixels to HSL, sorting and averaging colors, and rendering the spectrum on an HTML Canvas in under a second.

I built a 3D printing business and ran it for 8 months

https://www.wespiser.com/img/3d-print-biz/first.webp
The author started a 3D printing business making custom card stands for a neighbor's trading card business. The business worked for a while but eventually hit scaling issues due to limitations in the printing process.

Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4

The role requires a senior engineer to own and evolve the platform behind ARC-AGI benchmarks, stabilizing the current system and laying the foundation for future versions. The ideal candidate has strong backend engineering experience with Python and distributed systems.

The Unix Executable as a Smalltalk Method [video]

Ban the sale of precise geolocation

https://lawfare-assets-new.azureedge.net/assets/images/default-source/article-images/world-map-cybersecurity.jpg?sfvrsn=5d9bbb64_4
The US needs to clamp down on the collection and sale of geolocation data to protect national security and privacy, as seen in the case of Webloc, a tool used by US and foreign authorities to track individuals. A new report highlights the risks of AI-powered hacking, as a single hacker used AI models to breach nine Mexican government organizations and steal hundreds of millions of citizen records.

Ben Lerner's Big Feelings

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In 2024, Ben Lerner was asked if he wanted to interview one of his mentors, the poet Rosmarie Waldrop, for The Paris Review. “I was really ambivalent about it,” Lerner told me. “Rosmarie is amazing. She’s a hero of mine. But she’s not very easy to interview, in part because one of her remarkable characteristics is she doesn’t just bullshit.” That conversation was an origin point for his new ...

Even "cat readme.txt" is not safe

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iTerm2's SSH integration feature can be exploited by impersonating the remote conductor through terminal output. This allows an attacker to execute arbitrary commands on the local machine.

Show HN: Stage – Putting humans back in control of code review

Stage is a platform for fast-moving teams that breaks down pull requests into structured chapters. It provides a unified dashboard to review pull requests with context and chapters at a glance.

The GNU libc atanh is correctly rounded

https://inria.hal.science/.within.website/x/cmd/anubis/static/img/pensive.webp?cacheBuster=devel
Anubis is a server protection system that uses a Proof-of-Work scheme to prevent aggressive website scraping. It adds a load that makes scraping expensive, but may cause downtime for legitimate users.

Nintendo's Empire of Secrets with Keza MacDonald – Factually with Adam Conover

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Nintendo is a successful video game company that has remained stable despite industry chaos. A new book by Keza MacDonald explores Nintendo's secrets to innovation and success.

Spending 3 months coding by hand

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The author is on a 6-week retreat at the Recurse Center to focus on coding without AI, learn Python, and understand computers better. They plan to train an LLM from scratch and improve their programming skills.

Connie Converse was a folk-music genius. Then she vanished

https://ichef.bbci.co.uk/images/ic/480xn/p0nd6c8f.jpg.webp
Connie Converse, a pioneering US female singer-songwriter, created forward-thinking songs in the 1950s that were barely known during her lifetime but are now recognized as trailblazing. Her music, characterized by introspection, existentialism, and lyrical sophistication, has inspired many contemporary musicians and is gaining popularity through re-releases and covers.

Experiment with ICEYE Open Data

https://www.iceye.com/hs-fs/hubfs/_DATA_AND_MISSIONS/Open%20Data/IOD_Map.jpg?width=960&height=540&name=IOD_Map.jpg
Browse ICEYE open data on an interactive map, filtering by location, imaging mode, and date. Access and download datasets through STAC browser or AWS Registry of Open Data.

Healthchecks.io now uses self-hosted object storage

https://blog.healthchecks.io/wp-content/uploads/2026/04/s3-api-timing-1024x668.png
Healthchecks.io migrated from a managed to a self-hosted object storage, initially using OVHcloud and then UpCloud, but both had performance and reliability issues. The team now uses Versity S3 Gateway with a Btrfs filesystem on a dedicated server, which has improved performance and reliability, but requires additional backup and redundancy measures.