The Fed says this is a cube of $1M. They're off by half a million

https://calvin.sh/_astro/cover.D1AXFeVc_f5x58.jpeg
The author visited the Federal Reserve Bank of Chicago's Money Museum to see a $1,000,000 cube of $1 bills. They created a tool to count the stacks in a photo but found no existing web app to do so.

Writing Code Was Never the Bottleneck

https://ordep.dev/assets/images/me.jpeg
Writing code is no longer the bottleneck in software engineering, but rather code reviews, knowledge transfer, testing, and human overhead. The cost of writing code has dropped with LLMs, but the cost of understanding and trusting generated code has increased.

Cloudflare to introduce pay-per-crawl for AI bots

Figma files for proposed IPO

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Figma has filed a registration statement with the SEC for a proposed initial public offering of its Class A common stock. The company plans to list its stock on the New York Stock Exchange under the symbol "FIG".

Show HN: Spegel, a Terminal Browser That Uses LLMs to Rewrite Webpages

https://simedw.com/2025/06/23/introducing-spegel/images/recipe_example.png
Spegel is a proof-of-concept terminal web browser that uses LLMs to transform web content based on custom prompts. It renders markdown directly in the terminal, allowing users to explore web content through personalized views.

Fakespot shuts down today after 9 years of detecting fake product reviews

https://blog.truestar.pro/content/images/2025/07/fakespot_timeline-1.png
Fakespot, a popular fake review detection tool, shut down on July 1, 2025, after Mozilla discontinued it due to sustainability challenges. Mozilla acquired Fakespot in 2023 but couldn't find a sustainable business model, redirecting resources to core Firefox features.

Claude Code now supports hooks

https://anthropic.mintlify.app/_next/image?url=%2Fapi%2Fog%3Fdivision%3DDocumentation%26mode%3Dlight%26title%3DHooks%26description%3DCustomize%2Band%2Bextend%2BClaude%2BCode%2527s%2Bbehavior%2Bby%2Bregistering%2Bshell%2Bcommands%26logoLight%3Dhttps%253A%252F%252Fmintlify.s3.us-west-1.amazonaws.com%252Fanthropic%252Flogo%252Flight.svg%26logoDark%3Dhttps%253A%252F%252Fmintlify.s3.us-west-1.amazonaws.com%252Fanthropic%252Flogo%252Fdark.svg%26primaryColor%3D%25230E0E0E%26lightColor%3D%2523D4A27F%26darkColor%3D%25230E0E0E&w=1200&q=100
Claude Code hooks are user-defined shell commands that control behavior and provide deterministic control. They execute arbitrary shell commands with full user permissions, requiring safe and secure implementation.

OpenFLOW – Quickly make beautiful infrastructure diagrams local to your machine

https://private-user-images.githubusercontent.com/37673863/460630558-0e6e1adf-939b-46c6-945c-5bc07ca255ef.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.LJBkHsf47VGP18x8mech_yr9rhRbUkPgcQsvlGqSiO4
OpenFLOW is a React-based, open-source tool for creating isometric diagrams with offline support. It can be cloned, installed, and run locally using npm and npx commands.

Sam Altman Slams Meta’s AI Talent Poaching: 'Missionaries Will Beat Mercenaries'

https://media.wired.com/photos/6863f86f7fae9f3c90c36f70/3:2/w_2560%2Cc_limit/sam-altman-biz-2213398948.jpg
OpenAI CEO Sam Altman is defending his company against Meta's AI talent poaching, saying staying at OpenAI is the best option for building artificial general intelligence. Altman claims Meta's recruiting efforts will lead to cultural problems and that OpenAI has a superior team and culture.

Fei-Fei Li: Spatial intelligence is the next frontier in AI [video]

Ask HN: Who is hiring? (July 2025)

Felt clinic is building the first embedded care sdk for health apps. we're looking for a founding engineer to architect and build an mvp from the ground up. + confident handling of ci/cd tools (e.g., gitlab ci/cd, semantic release, revit). + able to demonstrate hands-on keyboard coding chops. equity is possible for exceptional candidates. please only post

ASCIIMoon: The moon's phase live in ASCII art

The input appears to be a large amount of random characters and symbols. It does not form a coherent message or sentence.

Building a Personal AI Factory

https://www.john-rush.com/images/posts/ai-factory-header.jpg
The user has created a self-improving AI factory using Claude, O3, and Sonnet models to generate and verify code, with a focus on fixing inputs rather than outputs and iterating on tasks to improve results. The factory is currently capable of shipping code but needs further development to handle more complex workflows, maximize token usage, and automate workflow management.

HN Slop: AI startup ideas generated from Hacker News

https://www.josh.ing/hnslop/hnslop.png
Fresh AI generated startup ideas from the current Hacker News front page. Powered by Claude AI.

Code-GUI bidirectional editing via LSP

https://jamesbvaughan.com/images/jamesbvaughan.a7b7df7a5b18b6a1f1992696f494ae40d7694389bad7da098e0b695c5e586f5b.jpg
The user built a proof-of-concept for real-time bidirectional editing between a code editor and a GUI using an LSP server. They aim to create a code-based CAD system that allows using their preferred text editor, like Emacs, for a cozy development environment.

Feasibility study of a mission to Sedna – Nuclear propulsion and solar sailing

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A mission to Sedna using advanced propulsion concepts like Direct Fusion Drive and solar sail could reach the object in 7-10 years. The study evaluates key mission parameters, including travel time, payload capacity, and science return for both propulsion methods.

Grammarly acquires Superhuman

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Scientists identify culprit behind biggest-ever U.S. honey bee die-off

US beekeepers suffered a record 62% colony loss between June 2024 and January 2025, mainly due to bee viruses spread by parasitic mites. The mites are resistant to amitraz, the only effective pesticide left, posing a significant threat to US food supply and agricultural revenue.

About AI Evals

https://hamel.dev/blog/posts/evals-faq/images/emailinterface1.png
Evals are a product and engineering decision that requires understanding your users' failure modes. if you suspect your recipe app struggles with scaling ingredients for large groups, make those dimensions - then convert each tuple to 'a' sift through the data to find conceptually similar problems based on the traces you've gathered. when you discover issues through error analysis, many will ...

Effectiveness of trees in reducing temperature, outdoor heat exposure in Vegas

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Show HN: Jobs by Referral: Find jobs in your LinkedIn network

https://jobsbyreferral.com/img/demo.webp
JobsByReferral analyzes your professional network to find job openings at companies where you have connections. Get referred by people you already know and dramatically increase your chances of landing interviews.

Spending Too Much Money on a Coding Agent

https://allenpike.com/images/2025/cursor-agent.jpg
The author tried switching from Claude Sonnet to OpenAI o3 for coding, finding it more helpful despite being slow, and discovered that large thinking models can provide $1000/mo of value.

PlanetScale for Postgres

https://planetscale.com/assets/planetscale-for-postgres-social-BNfbjqiv.png
PlanetScale is launching a private preview of its Postgres hosting platform, offering faster performance and reliability. The platform is designed to meet customer demand and outperform existing Postgres solutions.

Conversations with a hit man

https://magazine.atavist.com/wp-content/uploads/2025/06/Confessions_Lead1_crop-1568x1045.jpg
Ruben navarrette: hit man's answers largely match what we know to be true. he says a slew of witnesses testified against him, but none of them were convicted if they'd been tipped off by the mob. "the only thing i can think of is that it was not me," says thompson, who was never charged in the case despite his innocence. the murder of rober

Converting a large mathematical software package written in C++ to C++20 modules

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A C++20 module system is introduced to replace clunky header files, allowing explicit export and import of code. Converting large packages like the finite element library is possible with non-trivial effort, reducing compile time for the converted library.

Why email startups fail

https://forwardemail.net/img/articles/email-startup-graveyard-fa0072188b.webp
Email startups often fail due to trying to replace existing infrastructure, while successful companies enhance email workflows. Building actual email infrastructure from scratch, like Forward Email, is key to sustainable email services.

Australians to face age checks from search engines

https://ia.acs.org.au/content/dam/ia/article/images/2025/microsoft%20bing%20google%20search%20on%20phones%20shutterstock.jpg
Australians using search engines while logged in will have their age checked by 2025 under new online safety rules. Search engines will set safety tools to highest setting for users under 18 and blur images of online pornography and violence.

Caching is an abstraction, not an optimization

https://assets.buttondown.email/images/b496ee4d-509d-4108-91c9-289bd6057f33.png
The author initially thought caching improved performance by reducing database or API access, but now believes it simplifies software by abstracting data storage. Caching is an abstraction that allows for different design approaches, making it a crucial concept to understand.

Ask HN: Who wants to be hired? (July 2025)

A data scientist & ml engineer with 8 years experience building end-to-end products. primarily worked in e-commerce before shopify ate our lunch - now working in call center tech at twilio based company in the last 5 years! looking for monthly/yearly 'no-strings' sponsorships/donations, not employment. looking to work with people that are engaged, intellectually honest,
https://www.publichealth.columbia.edu/sites/default/files/styles/cola_media_1280_16_9/public/media/images/teaser/2025-06/inflammation_is_not_universal_0625_a3_1600x900.jpg?itok=6w-NMVYW
A new study suggests that inflammation associated with aging may not be universal and varies across global populations due to industrialized lifestyles. Inflammation levels in Indigenous populations were driven by infection rather than age, challenging the idea that inflammation is a hallmark of aging.

Ubuntu 25.10 Raises RISC-V Profile Requirements

https://i0.wp.com/www.omgubuntu.co.uk/wp-content/uploads/2025/06/ubuntu-logo-riscv.jpg?fit=1920%2C1008&ssl=1
Ubuntu 25.10 will not support most existing RISC-V devices due to a new baseline profile requirement. Canonical is focusing future Ubuntu support on devices with more capable RISC-V profiles for increased performance and efficiency.

1KB JavaScript Demoscene Challenge Just Launched

You launched JS1024, a coding challenge with a 1024 byte JavaScript limit for creative projects. It's a modern twist on JS1k and the 4k demoscene, seeking feedback and submissions.

An Algorithm for a Better Bookshelf

https://cacm.acm.org/wp-content/uploads/2025/06/063025.News_.Better-Bookshelf-S.jpg
Computer scientists have developed a new algorithm that efficiently manages adding new entries to sorted data, reducing the cost of accommodating new books to log1.5n.

Small language models are the future of agentic AI

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Small language models are more suitable and economical for agentic systems due to their capabilities and deployment economy. Heterogeneous systems using multiple models are best for conversational tasks.

Show HN: Core – open source memory graph for LLMs – shareable, user owned

https://private-user-images.githubusercontent.com/36505468/460434299-89066cdd-204b-46c2-8ad4-4935f5ca9edd.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.tTNanHDUcjyLtpezQE5mYwNlmpmvhnQ1SL5Q0mRpB6M
C.O.R.E is a private, portable memory system for LLMs that allows users to store and access context, facts, and preferences. It provides a dynamic, living temporal knowledge graph with full transparency and traceability.

The Roman Roads Research Association

https://www.romanroads.org/Neil%20and%20Mike%20cropped.jpg
The Roman Roads Research Association advances knowledge of Roman roads and promotes study of Roman heritage in the British Isles using modern technology. They publish a journal, Itinera, and host talks on Roman roads and related topics.

Using Sun Ray thin clients in 2025

https://archive.catstret.ch/media/sr270-mate.jpg
The user purchased a bulk lot of Sun Ray thin clients and set up an OpenIndiana server to run the Sun Ray Server Software, overcoming various installation and configuration challenges. They successfully used the Sun Rays to replace Raspberry Pis and old iMacs, setting up kiosk-mode Firefox sessions and RDP connections with smart cards and tokens.

Show HN: I built the tool I wished existed for moving Stripe between countries

https://www.stripemove.com/og-image.png
Keep your business running while moving countries. Our automated tool transfers everything seamlessly: customers, subscriptions, products, coupons and payment methods.

Evidence of a 12,800-year-old shallow airburst depression in Louisiana

https://www.scienceopen.com/document_file/2afc36ff-af10-4fb8-9def-d7b592874c07/ScienceOpen/large.png
Spherules and fragments of meltglass were found at the perkins lake/depression. the evidence is consistent with an extremely high-energy thermal event, authors say a cosmic airburst/impact could produce these materials if it occurred at high pressures - they say the crater is not buried unless it is surrounded by lava flows forming rifts in the rock cliffs that are too

The wanton destruction of a creative-tech era

Fastly bought Glitch, a community-driven website host, and shut it down, causing millions of sites to go offline. This move is seen as a heartless cost-cutting measure by an enterprise executive, damaging Fastly's reputation and karma.

In a milestone for Manhattan, a pair of coyotes has made Central Park their home

https://th-thumbnailer.cdn-si-edu.com/FKCczLEEfdEJwm1G1MOTfV6KtOQ=/1000x750/filters:no_upscale():focal(1000x667:1001x668)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/86/92/86925d15-951f-4fef-bb01-325535515024/d-lei-coyote-with-nyc-skyline_web.jpg
Romeo and Juliet, a coyote pair, live in Central Park, New York City, and their presence is a milestone for the species. They have been observed and photographed regularly, and their deep bond makes them hopeful for pups, a major milestone for the species.

Context Engineering for Agents

https://rlancemartin.github.io/assets/context_eng_overview.png
Context engineering is crucial for LLM applications as it helps manage various context types, including episodic, procedural, and semantic memories. Common approaches to context engineering include writing, selecting, compressing, and isolating context to improve agent performance and reduce token usage.

Rust CLI with Clap

https://tucson-josh.com/posts/rust-clap-cli/cli-hero.jpg
Rust's type system can be used to create a clear and concise definition of a command line interface, providing a contract between the program and the user, and allowing for better maintainability and testability. The clap crate can be used to leverage Rust's type system and provide a robust and ergonomic way to specify command line arguments, including support for environment variables.

Virtue garnish: A mental hack to short-circuit bad habits

https://ledgeroflife.blog/wp-content/uploads/2025/06/virtue-garnish-thought-bubble-3.png
The Ledger of Life system helps you recognize and manage negative influences, or "whispers," that trigger unwanted behaviors by registering them and deploying "virtue garnishes" to neutralize them. By consistently practicing this system, you can build a better response system that catches problems before they become regrettable actions.

Ask HN: Freelancer? Seeking freelancer? (July 2025)

SEEKING WORK | Denmark | Remote or Hybrid (Denmark for on-site) Experienced tech lead with 8+ years of experience in backend software development, architecture, and cloud architecture, seeking part-time or full-time work.

Copper is Faster than Fiber (2017) [pdf]

Arista Networks measured packet latency through MetaWatch, finding direct-attach copper cables to be faster than single-mode and multi-mode fiber. Copper cables have a latency of 4.60 ns per meter, while fiber has a latency of 4.96 ns per meter.

Pluto is a unique dialect of Lua with a focus on general-purpose programming

https://avatars.githubusercontent.com/u/108627128
Pluto is a Lua dialect with general-purpose programming focus, largely compatible with Lua 5.4 but with some keyword conflicts. Pluto has Compatibility Mode and can execute Lua bytecode, with some features not generating compatible bytecode.

Show HN: ToplingDB - A Persistent Key-Value Store for External Storage

https://opengraph.githubassets.com/57a5b3255bc88ccee8013dcb9f35dd086114269bf74a4b89921e76c13ad98915/topling/toplingdb
ToplingDB is a database built with RocksDB, offering features like embedded HTTP servers and distributed compaction. It is a community version of ToplingDB, built without private components due to auto cloning issues.

DeepSeek app faces ban in Germany for illegal transfer of user data

https://www.searchenginejournal.com/wp-content/uploads/2025/06/deepseek-ban-germany-664.jpg
German data protection official Meike Kamp has requested Apple and Google remove the DeepSeek app due to illegal data transfers to China. The app allegedly violates EU law by transferring users' personal data without proper protections.

phkmalloc

https://phk.freebsd.dk/_images/barad_dur.png
Jason Evans created phkmalloc to improve memory management in FreeBSD, detecting and preventing common malloc mistakes. He later handed over the job to Jason Evans, who created jemalloc, and is now a retired malloc maintainer.

We've Issued Our First IP Address Certificate

https://letsencrypt.org/images/language-icon128px-black.png
Let's Encrypt now issues certificates for IP addresses, a feature previously only offered by a few certificate authorities. This option will be gradually rolled out to subscribers, starting with short-lived certs valid for six days.

Lens: Lenses, Folds and Traversals

The library provides lenses and traversals for common Haskell types and tools for automatically generating them. It offers a wide array of combinators for working with lenses and traversals.

What should a native DOM templating API look like?

https://justinfagnani.com/img/_ukI-ct2dQ-1024.jpeg
The time is right for a dom templating api, says daniel schmidt. he says the developer is describing what they want, not how to achieve it - this is very common practice if it's implemented properly sanely and well conceived e.g. no performance regressions on existing sites, no required compiler, and no special casing of elements, attributes, or events, writes

Show HN: HackerNewt – Breadth-first exploring HN client for iOS

https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/da/8d/64/da8d64ec-6745-7da9-76d1-f56ec290cc21/AppIcon-0-0-1x_U007ephone-0-85-220.png/1200x630wa.png
HackerNewt is a Hacker News client with an alternative comment tree display that maintains context and trackability. It offers features like custom boards, search, and reading list for a better reading experience.

Show HN: Arch-Router – 1.5B model for LLM routing by preferences, not benchmarks

The team behind Arch released Arch-Router, a 1.5B model for preference-based routing of LLMs. It routes prompts by plain language rules, handling intent drift and multi-turn conversations.

Amazon is on the cusp of using more robots than humans in its warehouses

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America's Hot Garbage Problem

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Escher's art and computer science

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Pbf2sqlite: Reading OpenStreetMap into a SQLite Database

https://opengraph.githubassets.com/34923e312593cfa4d1614b34c29e2bfc2a0cfb97d3a39cd643a4b29d51bad301/osmzoso/pbf2sqlite
A command line tool for reading OpenStreetMap .osm.pbf files into a SQLite database. - GitHub - osmzoso/pbf2sqlite: A command line tool for reading OpenStreetMap .osm.pbf files into a SQLite database.

Raphael discovery emerges from Vatican museum restoration

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The Hidden Engineering of Liquid Dampers in Skyscrapers

https://images.squarespace-cdn.com/content/55ac34e4e4b0170ef54be632/1751383409249-1HY961ONY517ET715PD1/PREN_E083_Tuned+Liquid+Dampers.jpg?format=1500w&content-type=image%2Fjpeg
Engineers use various dampening systems, such as tuned mass dampers and liquid column dampers, to reduce the vibrations and swaying of high-rise buildings caused by wind. These systems can be tuned to match the building's natural frequency and can be more cost-effective and space-efficient than traditional methods, but they also have limitations and trade-offs.

The Hoyle State (2021)

https://i0.wp.com/math.ucr.edu/home/baez/physical/carbon_hoyle_state.jpg
The nucleus of an atom is a complex system governed by quantum mechanics, with various models such as the liquid drop model and shell model attempting to explain its behavior. The Hoyle state in carbon-12 is an excited state that can be thought of as three alpha particles orbiting each other.

RP2350pc Open Source Hardware all in one computer

https://olimex.wordpress.com/wp-content/uploads/2025/07/rp2350pc-1.jpg?w=540
RP2350pc is perfect to build retro like ARM / RISC-V computer with keyboard and TV for games and education. Veselin Sladkov’s Reload emulator support for RP2350pc is work in progress and will allow Apple ][, Oric Atmos and Puldin 601 emulation. Paul Robson works on RP2350pc API which will allow compilers and OS to be created with unifiedAPI (BIOS).

MicroPython on M68k Mac

https://social.afront.org/system/media_attachments/files/114/749/853/529/003/443/small/13af00685a4e4767.png
A Micropython build has been updated with full features, including long integers and floating point numbers. Key TODO items include implementing garbage collection, Mac API support, and addressing GPL issues for upstream inclusion.

Show HN: A cross-platform terminal emulator written in Java

https://raw.githubusercontent.com/sebkur/forceterm/master/example-light.png
To work on this project, download the correct installer for your OS and load it into an IDE like IntelliJ IDEA, Android Studio, or Eclipse. Locate the RunForceTerm class with the main method and launch it.

The average chess players of Bletchley Park and AI research in Britain

Donald Michie's interest in chess led to his involvement in AI research, where he developed a chess-playing algorithm called MACHIAVELLI. His work on chess machines influenced the development of machine learning techniques, including the Iterative Dichotomiser 3 (ID3) learning algorithm.

Ask HN: Is your company forcing use of AI?

The user's company is experimenting with AI tools like Claude Code and Cursor, but it's not mandatory and employees are encouraged to use them responsibly. The user is concerned about the impact of AI on coding skills and the potential for companies to over-rely on AI, but also sees its benefits in automating repetitive tasks.

You are what you launch: how software became a lifestyle brand

https://i.ibb.co/vC4dZMvg/Clean-Shot-2025-04-01-at-09-51-30-2x.png
Software has shifted from being functional to a lifestyle brand, signaling identity through tools like apps and browsers. People curate their digital toolkits for taste, alignment, and self-expression, making them an extension of their identity.

Nimtable: Open-source web UI to browse and manage Apache Iceberg tables

https://raw.githubusercontent.com/nimtable/nimtable/main/docs/nimtable.png
Nimtable is a web-based platform for managing and exploring Apache Iceberg catalogs with features like multi-catalog support and object store integration. It provides a user-friendly interface and REST Catalog API for interacting with catalog servers.

Writing Code Was Never the Bottleneck

https://ordep.dev/assets/images/me.jpeg
Writing code is no longer the bottleneck in software engineering, but rather code reviews, knowledge transfer, testing, and human overhead. The cost of writing code has dropped with LLMs, but the cost of understanding and trusting generated code has increased.

Drug cartel hacked FBI official's phone to track and kill informants

https://cdn.arstechnica.net/wp-content/uploads/2025/06/Joaquin-El-Chapo-Guzman-640x428.jpg
Mexican Sinaloa drug cartel hacked an FBI official's phone to intimidate and kill potential sources. The cartel used the phone's data to track the official's movements and identify people they met with.

Aesop in Words of One Syllable

https://blog.pgdp.net/wp-content/uploads/2025/06/aesop_onesyllable_cover-1.jpg?w=708
Aesop's Fables evolved from adult instruction to children's entertainment, with illustrated editions emerging in the 18th Century. Mary Godolphin's 1867 "Aesop's Fables in Words of One Syllable" made reading easy for children with 99 one-syllable fables.

Alternative Blanket Implementations for a Single Rust Trait

https://www.greyblake.com/greyblake.jpeg
Rust enforces a rule that no two blanket implementations may overlap, even if no type currently implements both traits. A workaround is to use marker types and associated types to implement alternative blanket implementations without conflicts.

The "personal computer" model scales better than the "terminal" model

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I am not a supplier (2022)

https://imgs.xkcd.com/comics/dependency.png
The author argues that the concept of Software Supply Chain is misguided when applied to Free and Open Source Software (FOSS) because FOSS developers are not suppliers, but rather volunteers who put their code online under permissive licenses.

Researchers Uncover Hidden Ingredients Behind AI Creativity

https://www.quantamagazine.org/wp-content/uploads/2025/04/AI-series-Default.webp
Researchers have been surprised by AI's ability to mimic human intellect and creativity, particularly in image generation. A new study claims that technical imperfections in AI's denoising process lead to its creativity, making it a deterministic process.

'Kill Bill: The Whole Bloody Affair' in 35mm – Dir's Cut 258min and Intermission

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Vista Theater will screen an extended 258-minute version of Kill Bill from July 18-28. The director's cut, titled Kill Bill: The Whole Bloody Affair, features additional scenes and anime sequences.
https://raw.githubusercontent.com/misorrek/ViscaCamLink/main/Assets/presets.png
To set up ViscaCamLink, execute the .msi or .exe file and follow the wizard to install and start the program. Then enter the camera's IP address and port, and establish a connection using the VISCA protocol.

Reuleaux Kinematic Mechanisms Collection

https://sequoia-forum-media.s3.amazonaws.com/prod.cirrostratus.org/2012/03/22/16/c05a0138-ba45-4793-9ec3-ab2815be0b69_size3.jpg?response-content-type=image%2Fjpeg&AWSAccessKeyId=ASIAYU7NIXDB7OFTCY2B&Signature=ST%2B6B%2FLeSNORXTOlSgWeeKRzGao%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEPz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIGpnNAUlREdPxWYtTkjnISvNvoBIhyqpvctBg3XYJCo4AiEAjt2oePO48kJ37WIQG63SzxEG7zlIhmkZqVQLYLwQbHUqjgUI9f%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FARAAGgw1OTQ4MTM2OTYxOTUiDBRsemDMwu41wjwY9SriBHT1Od9cJBWicYTKwVFp4yG%2BT%2FvqSWkRetWXPugIiXOK%2FX5AQ%2BnZibsZhrHX8qqVDgdpMwqelMTi8jCyVQtWHuVdOuCGSECyRodw2mAdUYl6QaYPLEz4PId09tj5FlH5MEKEHKqed8Fv2UsakloIBYM1gtoE8OZdronMrRe0oc2s4gH2bAAPP6sM6XGDv4fv91iHSDBiN%2BcgW6uSclmyn2c48yUY4YTbCFWjlhSMewnpgY4z2ueFB6MHJqZC%2FD0Pq8XtHMI1M%2BMhyeuZNFcLhCvHb3PhFFSwMo%2BLcJRzU0u2%2B1BjcIh9MhrfxuMLZtyzjqrlY96pS0If%2Bp58krFv35tshk3npwuSJqgS8dMe5ZxUF7k0qNDT6%2By0LgUuF96XI56c2Bc3m2V1eo%2Bkb%2FrQW1U53iwDBSvk7xdTXhUmMRwaHVAKgXGFRj2VAcK4T7IDyEhrCcpr%2F9WlDKOdykznEdt%2BW0K6%2BmJxnmYGZWSclKuAGkswIlbWZx4usdGdq0BB%2BFK7G3J3OsCENkdXMZbGvGG39O3NwG%2FKydMeiduN%2Bs1OqOfjfGEJ4nFN13Y4fpLdiRVhJF3vdTPgST00d9RfUeKEEQgVmcHgf0LdShbrIX%2BA14lZaw2HlMsavehA7v5dAouZZJWYW8C9%2BF3uSl%2FCkgtJA026%2B4IlkUGGLFNn97my1Yxki1Naw64YOMJa37fBU5BFc%2FtlO8WVyUz%2F8pxFrsSNNMWBkOYamAWVf54S5CH6WKgr6Fh3xodva7N6%2Bb6H2su6jVRoTFl%2BS2ro3fbB2yQfEgLWBgjyLjS5gtTVw64nOlAwppGWwwY6mgHrNKQDSaJtC%2F7mDQeU%2FP1hFWY7GHxFceL0POSecjdQHFxo2fFst4Pk4GA9I26e%2Fci%2F91%2FnnhPFsov5QxIexJm3oas8y%2FnRdDdE%2FkQgxAl8jj6S7D1sQJ5fNctKXkTGN6q9bNQmI7dY0HwW8DKAyNIXgcmgNkeQ9PJxd058sdEguroJQirO%2FYpywBiSJAEhBuENgnLKhdAilJck&Expires=1751490525
KMODDL is an open access digital library developed at Cornell University from 2003-2005 for learning kinematics and machine history. It features over 200 models from the Reuleaux Collection, classified using a simplified taxonomy system.

Free as Air, Free as Water, Free as Knowledge (1992)

The speaker argues that the commercialization of information is a threat to the public's access to knowledge and that librarians must fight to preserve the public's right to know. The speaker proposes the idea of "Deep Archiving" to archive information for the long term, leaving a legacy for future generations.

LibreOffice takes aim at Microsoft Office with free guides to help users switch

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LibreOffice released updated user guides for its productivity suite, covering Writer, Calc, Impress, Draw, and Math. The guides aim to help users switch from Microsoft Office to LibreOffice, highlighting its unique features and improved interoperability.

Waste into Construction Materials: Geopolymers from Recycled Sources

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Show HN: I Built a Paul Graham AI Advisor for Founders and Hackers

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Get advice from Paul Graham on startups, programming, and life

OpenDrop – Electro-wetting technology to control small droplets of liquids

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€975.00 – €1,595.00 Select options This product has multiple variants. The options may be chosen on the product page €79.00 – €375.00 Select options This product has multiple variants. The options may be chosen on the product page

Finding and understanding bugs in C compilers [pdf] (2011)

A randomized test-case generation tool has been used to find compiler bugs. authors have devoted six cpu-years to the task of testing compil- erators, they say - and found many bugs that are missed by existing test suites. they believe the tool can be used by developers to help harden open-source development tools that we use daily. if compilers can find more bugs, then the quality of the ...

Logging Shell Commands in BusyBox? Yes, You Can Now

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A developer created a patch for BusyBox to add remote command logging, which sends each executed command to a specified logging server over TCP. The patch introduces three environment variables to control the feature and includes a utility function to send logs to the remote server.

Amazon Is on the Cusp of Using More Robots Than Humans in Its Warehouses

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Sound Chip, whisper me your secrets [video]

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Speaker shares experience reverse engineering old digital sound chips and creating emulators to preserve them. They will explain how to reverse engineer custom DSPs using an Arduino and speculation.

Benchmarking Postgres

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PlanetScale for Postgres has been launched with a focus on performance. An internal tool called Telescope was used to measure and compare other Postgres options with a standardized methodology.

I'm a physicist by trade, not by training, and that matters

https://miro.medium.com/v2/da:true/resize:fit:1200/0*lihbPTSlTUmZuD-n
Applied mathematician shares journey applying math to quantum physics, highlighting power and peril of shared scientific beliefs. The experience teaches about forming cultures around ideas and being an outsider who stays, a "stranger" in group dynamics.

Ask HN: Anyone is an "AI Engineer"? What does your job tasks include?

You work as a Data Scientist, leading a team and focusing on AI applications, recommending technologies, and debugging code. Your day involves integrating AI tools, managing client expectations, and implementing cloud native solutions.

400 million Windows PCs vanished in 3 years. Where did they all go?

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Microsoft's Windows installed base has shrunk by 400 million devices in 3.5 years, with a quarter of its base disappearing. The PC market is declining, with consumers switching to mobile devices and businesses replacing old PCs.

Sliding Window Technique Visualizer

A fixed-size sliding window maintains a constant size as it moves through data, useful for problems like maximum subarray sum or moving averages. A variable-size sliding window expands or contracts based on conditions, used for finding optimal subarrays with specific criteria.