Llama3 implemented from scratch

https://raw.githubusercontent.com/naklecha/llama3-from-scratch/main/images/archi.png
The code implements LLaMA-3 from scratch, loading tensors directly from the model file and performing tensor and matrix multiplications one layer at a time to generate an embedding for the next token. The final output is used to predict the next token, which in this case is not 42 but rather token number 2983.

Coding My Handwriting

https://images.squarespace-cdn.com/content/v1/5f33cddd6aff255aabb0c6cd/eba9ea4a-a805-4c1d-8630-c2bcf0772453/printed+handwriting.png
The author created a cursive handwriting system in JavaScript, building on their previous block-printed alphabet project. The system uses Chaikin curves and variable-width shapes to create realistic handwritten letters, with adjustments made for letter combinations and neighbors to ensure smooth connections.

The Lunacy of Artemis

https://idlewords.com/images/artemis_cloud.jpg
NASA's Artemis program aims to return humans to the moon by 2026, but its design is complex and inefficient, relying on outdated technology and reusing Shuttle hardware. The program's reliance on SpaceX's Starship for refueling and lunar lander capabilities raises concerns about feasibility, cost, and safety, with some experts predicting delays or even cancellation of the mission.

Riven

https://www.filfre.net/wp-content/uploads/2024/05/millers-300x262.jpg
Cyan's game Riven, released in 1997, was a massive hit and became one of the best-selling games of all time, with its slow-paced puzzle-solving gameplay and beautiful pre-rendered 3D environments. Despite being criticized for its complexity and lack of instant gratification, Riven remains an iconic game that has stood the test of time and continues to be celebrated by gamers today.

Ask HN: Video streaming is expensive yet YouTube "seems" to do it for free. How?

You're puzzled by YouTube's free service despite massive costs for storing, encoding, and streaming high-quality videos. You wonder if the economics work at scale, like Google AdSense, to support an ad-based video streaming platform without charging users.

Meteor seen in Portugal

Register or sign in with developer credentials and ensure a unique, descriptive User-Agent to access scripts or applications. If blocked, try changing back to default User-Agent or file a ticket for assistance.

Big Tech to EU: "Drop Dead"

https://www.eff.org/files/banner_library/eu-flag-11.png
The European Union's Digital Markets Act aims to promote competition and user control by regulating tech giants like Apple, requiring them to allow third-party app stores and interoperable gateways. However, these companies are resisting the changes, with Apple proposing confusing fees and restrictions that fall short of meeting EU requirements, while Meta is trying to circumvent privacy ...

Make timelapses easily using FFmpeg

The user found FFmpeg to be an easy and effective tool for creating timelapses, preferring it over GUI video editing tools due to its simplicity and flexibility. They also shared their experience using FFmpeg for minor video editing tasks and provided tips on how to use it, including workarounds for Windows limitations.

Swarming Proxima Centauri: Picospacecraft Swarms over Interstellar Distances

https://astrobiology.com/wp-content/uploads/2024/05/Swarming-Proxima-Centauri.png
Tiny gram-scale interstellar probes propelled by laser light may be the only technology capable of reaching another star this century, with a proposed mission to fly by Proxima b around mid-century. The mission requires coordinating a large swarm of autonomous probes using low-power optical links and synchronized clocks to generate an optical signal strong enough to cross the immense distance ...

Operation CHARM: Car repair manuals for everyone

Operation CHARM provides completely free repair/service/workshop manuals for over 50,000 models of cars and trucks manufactured 1982-2013. No sign-up or paywall.

Classic Usenet posts on computer architecture, operating systems and languages

The input consists of a large collection of articles and documents related to computer science, programming languages, and operating systems. The topics covered include CPU architecture, compiler design, software engineering, and Linux kernel development.

Transforming a QLC SSD into an SLC SSD

https://i0.wp.com/theoverclockingpage.com/wp-content/uploads/2024/04/thumb-qlc-slc.jpg?resize=1000%2C562&ssl=1
The author transforms a Crucial BX500 SSD with QLC NANDs into an SLC SSD, enhancing its durability and performance by modifying the firmware using MPTools software. The transformation results in significant improvements in sequential read and write speeds, random I/O performance, and power consumption efficiency, making it suitable for demanding applications.

Beating Jeff's 3.14 Ghz Raspberry Pi 5

https://jonatron.github.io/randomstuff/pivolt/case.webp
Jeff overclocked his Raspberry Pi 5 to 3.14 GHz, but hit a 1V limit in the firmware. He found that patching a single instruction in bootmain would remove the limit, but it's signed and can't be modified without the signing key.

Hertz Charging a Tesla Renter for Gas Was Not an Isolated Incident

https://www.thedrive.com/uploads/2024/05/16/hertz-tesla-fuel-charging.jpg?auto=webp&crop=16%3A9&auto=webp&optimize=high&quality=70&width=1440
Hertz has been liquidating its excess Tesla rentals due to limited demand and tanking values, while customers have reported being charged incorrectly for gasoline and other fees. Several customers have shared their negative experiences with Hertz, including being overcharged for fuel and facing difficulties in getting refunds or resolving issues with customer service.

C Style: My favorite C programming practices (2014)

https://opengraph.githubassets.com/bdd40b35ab236b832659b5d6af9b300bbe215d3b49379d3f3c3d7beaf49cf7ad/mcinglis/c-style
The author shares their personal preferences for C programming practices, emphasizing correctness, readability, simplicity, and maintainability over speed. They provide guidelines on topics such as coding style, naming conventions, debugging techniques, and best practices for writing clean and efficient code.

Is artificial consciousness achievable? Lessons from the human brain

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers analyze human brain evolution to develop artificial consciousness, identifying key features for complex conscious experience. They recommend caution when discussing AI consciousness, suggesting clear distinctions between human and AI conscious processing to avoid ambiguity.

AI doppelgänger experiment – Part 1: The training

https://substackcdn.com/image/fetch/w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Febafd4d9-cdd6-4a06-bea9-c116b2b4e80c_690x652.png
The author explores the concept of style in AI-generated images and its relationship to human perception, highlighting the challenges of defining "style" and how it is used in machine learning models. Through an experiment where they trained a model on their own illustrations, the author reflects on the tension between human creativity and machine-generated art, raising questions about ...

Michelle's List: A free, anonymous landlord review site

Tenants praised their landlords and neighbors, citing good prices, great locations, and easy maintenance scheduling. They highly recommend the apartments due to friendly staff and overall positive living experiences.

Compilers for free with weval

Chris Fallin discussed his project weval, a WebAssembly partial evaluator that optimizes interpreter code. Weval can unroll loops and remove conditionals, resulting in significant performance boosts for compiled WebAssembly modules.

Katy – 68000 Linux on a Solderless Breadboard (2014)

https://www.bigmessowires.com/wp-content/uploads/2014/11/68-katy-protoboard-final.jpg
The author built a protoboard computer using a Motorola 68008 CPU, 512K SRAM, and 512K Flash ROM, and successfully ran Linux on it after overcoming various challenges. The system has limited resources and requires careful memory management to run, but the author was able to get it working with some creative problem-solving and debugging techniques.

An Ode to Deluxe Paint (2023)

https://www.datagubbe.se/dpaint/img/image5__x.jpeg
The author's love for computers and visual art began with Deluxe Paint II on an Amiga 500, which led to a lifelong passion for graphics workstations and pixel art. The program, developed by Electronic Arts, was widely used in the game industry and became an industry standard for creating low-resolution, low-color graphics on early home computers and game consoles.

Microsoft's Emissions Spike 29% as AI Gobbles Up Resources

https://i.pcmag.com/imagery/articles/02UjQRFsM82skYiN5ifskKr-3.fit_lim.v1715873596.jpg
Microsoft's 2024 Sustainability Report shows a significant increase in emissions (29%) and water usage (23%) due to its investment in generative AI, with data centers being a major contributor. The company is working on reducing its environmental impact through renewable energy and water conservation efforts, but acknowledges that it still faces challenges in meeting its sustainability goals.

Show HN: Open-source GeForce NOW alternative with Stadia's social features

https://raw.githubusercontent.com/netrisdotme/netris/main/assets/logo.png
Netris is an open-source cloud gaming platform that allows self-hosting and offers features like Proton-GE compatibility, QUIC protocol for low latency, and automatic game progress sync. The platform supports co-op gameplay, cross-platform play, and bandwidth optimization, with options to self-host or use the netris.me website without setup required.

Swift Tooling: Windows Edition

https://substackcdn.com/image/fetch/w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F08c8a4d0-9433-4cbb-b5e8-a20f8ffbed7e_8400x5100.png
Swift on Windows is now production-ready, with a mature development environment and tooling support. The Swift extension for Visual Studio Code provides a first-class development experience, including building, debugging, testing, code navigation, and more.

Modernizing the AntennaPod Code Structure

https://antennapod.org/assets/images/blog/2024/codeStructureAfter.png
AntennaPod's code structure was reorganized to eliminate cycles and improve maintainability, with over 10,000 lines of code touched and 62 pull requests made. The restructuring enables easier testing, faster builds, and better code quality, making it easier for new developers to contribute to the app's growth.

Steve Wozniak: When I die these are the moments I want to remember

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Steve Wozniak, Apple co-founder, believes happiness comes from experiences and relationships rather than wealth or power. He suggests finding joy in what makes you happy and being intentional about seeking it out, rather than waiting for external circumstances to bring happiness.

Show HN: ffmpeg-english "capture from /dev/video0 every 1 second to jpg files"

https://opengraph.githubassets.com/8e6e012ed3319d48be594c6a80e4350b3f8c01b633c3a348cdae83a789b61871/dheera/scripts
Capture video from camera every 1 second and write it to jpg files. Create timelapse from all.jpg images in directory at 30fps.

What Is Generative Art? (2022)

https://images.squarespace-cdn.com/content/v1/5f33cddd6aff255aabb0c6cd/aca6cd42-80cc-4379-acca-1ea1e018c55b/geometricconstellation1.png
The author explores the concept of generative art, discussing three types of autonomous processes: randomness, rules, and natural systems. They examine various examples and techniques used in generative art, including pseudorandom number generators, procedural generation, cellular automata, and simulations that mimic natural phenomena.

Unprojecting text with ellipses (2016)

https://mzucker.github.io/images/unproject_text/example0_input.png
The author describes an approach to remove perspective distortion from images of text by using homographies and ellipses, which involves estimating a homography that equalizes the areas of all letters and then refining it with additional transformations for rotation and skew. The approach uses optimization techniques to find the best parameters for these transformations, resulting in a final ...

A floppy disk MIDI boombox: The Yamaha MDP-10

https://nicole.express/assets/img/middy-disk/mdp10.jpeg
The Yamaha MDP-10 is a unique boombox-like device from the 1990s that plays floppy disks with MIDI files, allowing users to play along with music using an external instrument. The device has limitations, such as not being able to choose General MIDI instruments or respond to velocity information, but can be used with a MIDI filter and other workarounds to achieve desired sounds.

The problem with new URL(), and how URL.parse() fixes that

https://kilianvalkhof.com/wp-content/uploads/icon-256x256-1.png
The URL API in browsers has ergonomics issues, particularly when parsing malformed URLs, which can throw errors and require try-catch blocks. A new feature, URL.parse(), is being added to the spec and implemented by browser engines to allow for error-free parsing without throwing errors.

Mortgages are a manufactured product (2022)

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Mortgages are not just loans between banks and customers, but complex manufactured products built by specialist workers using costly capital, sold into a supply chain for consumers. The mortgage industry operates in an artisanal manner, with different entities handling various risks, including government-sponsored entities that guarantee conforming mortgages and private capital that buys other risks.

The Iberian lynx doubles its population in just three years

https://imagenes.elpais.com/resizer/v2/CORSXHDDE5BOXHHVQCPKWO2NAI.jpg?auth=a02ef151f5a683352c10eb8697d95f7fdccaf03d0ae648de7517f6f7c4d192b5&width=414
The Iberian lynx population has doubled in three years, reaching 2,021 individuals, but still falls short of the 750 breeding females needed to be classified as favorable conservation status. Captive breeding centers and reintroduction programs have played a crucial role in the species' recovery, with an average growth rate of 20% per year.

Reading list to join AI field from Hugging Face cofounder

You're planning to learn NLP/AI/ML by reading exhaustive books, including "Deep Learning", "Artificial Intelligence: A Modern Approach", and others. You've also taken online courses like Computational Probability and Inference and Probabilistic Graphical Models Specialization to complement your learning.

The Myth of Medieval Small Beer (2017)

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Medieval people did not drink weak beer to avoid drinking water, as previously believed, but instead drank water and had infrastructure to supply it. They also consumed wine and ale for celebrations and as an expensive luxury, with small beer being a cheap and effective way to replenish calories and fluids due to its high calorie content.

Russia's glide bombs devastating Ukraine's cities on the cheap

https://ichef.bbci.co.uk/news/480/cpsprodpb/a9d0/live/55f6d4a0-147a-11ef-87f2-97663bbe6622.jpg.webp
Russia is using "glide bombs" to advance its offensive in Ukraine, with over 200 used in a week to pound the town of Vovchansk. The cheap but highly destructive ordnance has proven devastating for Ukrainian forces and has created a new era for the military situation on the ground.

Waxolotl – A small language that compiles to WebAssembly text format

https://raw.githubusercontent.com/eliot-akira/waxolotl/main/screenshot.png
waxolotl is a small language that compiles to WebAssembly Text format. It is a mutant offspring of wax and wat-compiler that builds a standalone WASM binary in the browser or server.

Will better superconductors transform the world?

https://d2r55xnwy6nx47.cloudfront.net/uploads/2024/05/JoY-S3E8-Superconductivity-byPeterGreenwood-Lede-LOGO-scaled.webp
Physicist Siddharth Shankar Saxena discusses the challenges and potential implications of achieving room-temperature superconductivity, which could revolutionize energy efficiency, transportation, and technology. He shares his research experiences and insights on the importance of interdisciplinary approaches, teamwork, and understanding human interactions in relation to scientific discoveries.

AI regulations are crony capitalism

https://d2eehagpk5cl65.cloudfront.net/img/c1200x675-w1200-q80/uploads/2024/04/AIs-Cozy-Crony-Capitalism.jpg
OpenAI founder Sam Altman testified before the Senate Judiciary Committee, calling for government regulation to mitigate the risks of powerful AI systems and recommending an agency to license and ensure compliance with safety standards. Industry players like Microsoft and Google have also expressed support for regulation, citing concerns about safety and capability, while some experts warn ...

Updating from macOS Ventura to Sonoma Silently Enables iCloud Keychain

The user discovered that updating from iOS 16 to iOS 17 and macOS Ventura to Sonoma enables iCloud Keychain by default, storing passwords on Apple servers. They are concerned about this issue and want to update without an internet connection, but softwareupdate --install refuses to install with WiFi disabled.

Teaching Algorithm Design: A Literature Review

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A systematic survey and literature review of CS Education studies on algorithm design found only 94 papers related to undergraduate-level students, highlighting the need for more research on teaching algorithm design. The existing literature suggests implementing well-established practices like active learning and automated assessment, as well as selecting algorithm problems that increase ...

Ubuntu 24.10 to Default to Wayland for Nvidia Users

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Ubuntu switched to Wayland as default display server, but reverted due to NVIDIA graphics driver issues. With improved support, Ubuntu 24.10 will make Wayland session default for NVIDIA users, allowing real-world testing and fixing before LTS releases.

Overflow in consistent hashing (2018)

https://rmarcus.info/blog/assets/me.jpg
Consistent hashing helps reduce the number of items that need to be moved when the number of machines in a cluster changes, but it can still lead to overflows, especially with large load factors. The probability of overflow depends on various factors, including bin capacity, number of bins, and load factor, and increasing bin capacity can improve tolerance to fluctuations in load factor but ...

New blood test for stroke combines blood-based biomarkers with a clinical score

https://scx1.b-cdn.net/csz/news/800a/2023/blood-test-2.jpg
A new blood test combines biomarkers with a clinical score to identify patients experiencing large vessel occlusion (LVO) stroke with high accuracy, potentially allowing for faster treatment and better outcomes. The test has shown 93% specificity and 81% sensitivity in detecting LVO strokes, ruling out brain bleeds, and may be useful in low-income countries where advanced imaging is not available.

Iran president helicopter in hard landing – state media

https://ichef.bbci.co.uk/news/480/cpsprodpb/4478/live/a7a7ccd0-15e9-11ef-8c5d-c90441b7b735.jpg.webp
An Iranian helicopter carrying President Ebrahim Raisi experienced a hard landing due to difficult weather conditions, with rescuers struggling to reach the site. The condition of those on board remains unknown, with reports of no contact made and heavy fog hindering the search effort.

Show HN: Digital player board for Terraforming Mars

This fan-made digital player board helps track resources and production in the physical board game, eliminating issues like resource markers and fuzzy math. It's not affiliated with the game creators and is meant to enhance gameplay, not replace it.

RISC vs. CISC by John R. Mashey (1995)

The author argues that RISC (Reduced Instruction Set Computing) architectures share certain characteristics, such as having a single instruction size, limited addressing modes, and no indirect addressing, which distinguish them from CISC (Complex Instruction Set Computing) architectures. The author also provides tables comparing the architectural features of various CPUs, including RISC and ...

Convolutional Neural Networks for Visual Recognition

The Stanford CS class CS231n covers Convolutional Neural Networks for Visual Recognition, including learning and evaluation techniques. Topics include gradient checks, momentum, second-order methods, Adagrad/RMSprop, hyperparameter optimization, and model ensembles.

Ancient Chesapeake site challenges timeline of humans in the Americas

https://www.washingtonpost.com/wp-apps/imrs.php?src=https://s3.amazonaws.com/arc-authors/washpost/22971559-948d-4413-b394-e38976a3cbfa.png&w=196&h=196
Parsons Island in Maryland's Chesapeake Bay holds clues about human migration to North America. An eroding bluff on the island offers tantalizing hints about when and how humans first arrived.

I'm a Former Surgeon General and I Couldn't Believe My $10k Medical Bill

https://i0.wp.com/scheerpost.com/wp-content/uploads/2024/05/GHGpm25WcAADPkw-1.jpeg?fit=882%2C722&ssl=1
The author shares their personal experience with a surprise medical bill of $5,000 after an emergency department visit in Arizona, highlighting the need for enhanced transparency in healthcare pricing and safeguards against surprise bills. The author recommends several policy changes to address this issue, including mandatory upfront cost estimates, arbitration for billing disputes, and ...

I might've been a rocket scientist (like my dad), but I was a girl

https://i0.wp.com/exponentii.org/wp-content/uploads/2024/03/20240306_164928.jpg?resize=696%2C696&ssl=1
The author reflects on her past experiences as a woman in The Church of Jesus Christ of Latter-day Saints, where she was discouraged from pursuing a career and instead prioritized marriage and motherhood. She shares her emotional realization that she missed out on opportunities to become an engineer and pursue other passions due to societal pressure and expectations.

How to Exit Vim

https://camo.githubusercontent.com/9bc66f4453dabf77dec6aff15eaa3c3fdebbc2507b167df446343250b804a5d9/687474703a2f2f696d672e796f75747562652e636f6d2f76692f787465546a5538474e4d632f302e6a7067
The user provides various methods to exit Vim, including using system commands, scripting languages like Python and PHP, and even creating a kernel module. The methods range from simple kill commands to complex scripts that exhaust memory or use network requests to terminate Vim processes.

North Korea's post-modern cityscapes

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Devon: An open-source pair programmer

https://camo.githubusercontent.com/3d67e2c2e4265ee6f6db0a1ae36ad71c7a23772c6a7a0721520821b041411400/68747470733a2f2f6170692e737461722d686973746f72792e636f6d2f7376673f7265706f733d656e74726f70792d72657365617263682f4465766f6e26747970653d44617465
The Devon and entropy-research org project allows users to access files and folders from a specific directory, with opportunities for correction during actions. The project welcomes contributions, feedback, and bug reports through various channels, including a Contribution Form and Discord's #feedback channel.

Italy's $12.7B Bridge to Sicily [video]

The Bel Language (2019)

Bel is a programming language that aims to prolong the formal phase of language development, focusing on defining axioms and using them to write an interpreter for the language. The language has four fundamental data types: symbols, pairs, characters, and streams, and supports functions, lists, and evaluation through its syntax.

iPad Pro M4 review: ludicrously good hardware that's total overkill for most

https://i.guim.co.uk/img/media/3f778ccff5a56fa5484e76a0c14dae1cfa89bfb6/0_146_5456_3273/master/5456.jpg?width=445&dpr=1&s=none
The new iPad Pro features a stunning OLED screen, blazing fast M4 chip, and good battery life, making it an impressive tool for creative professionals. However, its high price tag and limited software capabilities make it overkill for general use, suitable only for those who need advanced features like color accuracy and power-hungry creative tools.

Scrabble and the Nature of Expertise (2015)

https://www.scientificamerican.com/static/assets/footerProductImg-f6732134.png
Conrad Bassett-Bouchard, a 24-year-old graduate student, won the National SCRABBLE Championship, ending Nigel Richards' four-title streak and becoming the youngest American to win. The game provides an ideal platform for researchers to study expertise, with factors such as knowledge, skills acquired through experience, and genetically-influenced abilities interacting to produce complex skill.

Microwaves Not Made in China

https://www.aintfromchina.com/images/300/samsung_microwave.jpg
Amana is an American company that makes kitchen appliances. Some of their high end commercial lines are made in the USA, but we found the medium duty microwaves are available in many places and are made in Korea. Commercial microwaves are a bit louder and tend not to have the glass plate at the bottom. They are usually much more powerful and easier to clean though.

Mathematicians and the Selection Task (2004)

A study compared math undergraduates, staff, and history students on Wason's selection task, finding that less than a third of students and half of staff gave the correct answer. The results suggest mathematicians make different mistakes than expected and have implications for understanding mathematical thought and error checking.

Puzzle made by the WikiLeaks founder Julian Assange for the university quest

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The Melbourne University Puzzle Hunt 2005 competition, compiled by Julian Assange, features a puzzle called Sleuth where participants must solve a murder mystery in a dark castle with 7 guests speaking different languages. The solution involves identifying the liar among the guests and determining the crime scene, which is revealed to be the Billiard room (Biljartkamer) in Dutch.

How GM Made the $35,000 Chevrolet Equinox EV into a 319-Mile Range Champ

https://cdn.motor1.com/images/mgl/RqYjAx/s1/equinox-top.jpg
The 2024 Chevrolet Equinox EV is now the cheapest way to get over 300 miles of range, starting at $34,995 before tax credits. GM's scalable Ultium platform and shared components across its electric lineup helped keep costs low, making it an affordable option for mainstream buyers.

Slack users horrified to discover messages used for AI training

https://cdn.arstechnica.net/wp-content/uploads/2024/05/GettyImages-1423973122-800x549.jpg
Slack's policy allows it to collect customer data, including messages and files, to train its AI models, but the company claims it does not use this data for training. Slack has agreed to update its privacy principles to clarify how customer data is used for AI training and ensure that customer data never leaves Slack's trust boundary.

4K 1000Hz Monitor Exhibited

https://blurbusters.com/wp-content/uploads/2024/05/IMG_0939-718x404.jpeg
Blur Busters showcased their Display Tester device at Nanosys' booth, demonstrating color performance testing for KSF and QD displays. The company also highlighted various display technologies, including TCL's 4K 1000Hz screen, OLED refresh rates, and VESA's use of TestUFO motion tests to demonstrate benefits of high refresh rates.

AI Books4 Dataset for training LLMs further

Register or sign in with developer credentials and ensure a unique, descriptive User-Agent to access scripts or applications. If blocked, try changing back to default User-Agent or file a ticket for assistance.

Show HN: Interactive Graph by LLM (GPT-4o)

The fastest data visualization platform, collaborate with your team, use natural language and speech, have fine grained access control, manage data catalog with ease, and self-serve data storytelling.

Apple geofences third-party browser engine work for EU devices

https://regmedia.co.uk/2024/05/16/eu_shutterstock1.jpg
Apple's recent change allowing third-party browser engines on iOS devices in the EU comes with a restriction that requires developers to physically locate their teams in the EU for testing and development. This geofencing requirement adds an additional barrier to developing and supporting alternative browsers, making it difficult for companies like Google and Mozilla to create non-WebKit ...

1001 Representations of Syntax with Binding (2021)

The post discusses various techniques for representing syntax with binders in Agda, including de Bruijn indices, locally nameless representations, nominal techniques, scope graphs, and co-deBruijn syntax. Each technique has its own advantages and disadvantages, and the author provides an overview of their benefits to programmers.

An attorney says she saw her library reading habits reflected in mobile ads

https://regmedia.co.uk/2024/05/18/shutterstock_sfpl.jpg
A woman, Christine Dudley, reported seeing targeted ads on her Android tablet that reflected audiobooks she had recently checked out from the San Francisco Public Library, raising concerns about library privacy and data sharing. The incident highlights the complexity of online tracking and advertising, with multiple parties involved in collecting and sharing user data, making it difficult to ...

Unicode CLDR Project

https://lh4.googleusercontent.com/N412ybS72Kk_wWkLGYQIbzzAVJbZdZehSei3G0GImbZflb44adglFSJNnqBsrdcTSBI_Yci1BM77OO9CGg7Qfho=w1280
CLDR is a collaborative project that provides data for software libraries, with contributors able to join and contribute through various means, including an online survey tool. The project has a regular schedule with two cycles per year, releasing data in XML format and providing tools for conversion to other formats.

Meringue Philosophy

The author uses interfaces and abstract classes to model natural kinds and varying objects, such as Jonagold apples with different colors. They also discuss metaphysics in relation to software development, planning to blog about its application in the coming months.

Ex-OpenAI employee reported losing 85% of his family's net worth

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This is a special post for quick takes by . Only they can create top-level comments. Comments here also appear on the Quick Takes page and All Posts page.

UNM Researchers Find Microplastics in Canine and Human Testicular Tissue

https://hsc.unm.edu/news/2024/_media/con-xiyu-photo-300x300.png
Researchers at the University of New Mexico detected microplastics in testicular tissue from humans and dogs, with higher concentrations found in human tissue. The study suggests that exposure to certain types of microplastics, such as PVC, may be linked to reduced sperm count and quality.
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It's not too late to create a popular programming language after age 40, as examples like TypeScript, Go, and JSON were created by people over 40. In fact, it's not unprecedented for someone under 55 to create a popular programming language.

Shadow Robot’s three-fingered hand is robust enough for reinforcement learning

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Shadow Robot Company has unveiled its new Shadow Hand, a three-fingered robotic hand designed for machine learning and manipulation research, featuring modular design, tactile sensing, and robustness against misuse. The new hand is larger and heavier than its predecessor but offers improved performance, ease of repair, and flexibility to adapt to various applications.

Building a Homelab, Part 4 – Nixification, Kubernetes

The author has been working on building a homelab and has implemented NixOS as a declarative configuration tool to manage their Raspberry Pis, and K3s for self-hosted Kubernetes. They have successfully migrated their services from Docker Compose to Kubernetes, achieving greater flexibility and resiliency, but still need to optimize storage and DNS setup.

How often is the wife taller than the husband?

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The probability that a wife is taller than her husband is approximately 1 in 25, based on data from the Panel Study of Income Dynamics. This estimate contradicts earlier research suggesting a much lower probability, highlighting the importance of considering multiple sources and analyses when drawing conclusions.

The prospects for 128 bit processors (John R. Mashey, 1995)

John Mashey discusses the potential for 64-bit and 128-bit processors, citing physical and virtual memory addressing limitations as factors that may influence the transition. He predicts that 64-bit chips will be sufficient for a long time, with possible transitions to 128-bits around 2020 or 2030, but notes that there are no compelling reasons to consider even larger bit widths like 1024 bits.

The Toilet Theory of the Internet

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The author proposes the "toilet theory" that most online activity, including scrolling and searching, occurs during mundane moments like using the bathroom or waiting in line. He argues that Google's new generative-AI tools may further reduce users' need to visit websites, potentially harming publishers and altering the internet's dynamics.

The country closing in on zero deaths on its roads

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In 1995, Swedish road safety expert Claes Tingvall's approach to road crashes shifted from focusing on individual driver behavior to a "systems" approach that considers multiple factors, leading to Sweden's Vision Zero goal of zero road deaths. Today, Vision Zero has been adopted globally and has led to significant reductions in road fatalities, but challenges remain in implementing the ...

Microsoft set to unveil its vision for AI PCs

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Microsoft's Build developer conference will showcase its latest AI projects, including embedding AI in Windows and new AI PCs. The company aims to keep a prominent position in AI and boost PC sales, which have been sluggish for two years, by offering new features like Copilot chatbot assistant and neural processing units (NPUs).

Nitrogen dioxide exposure due to gas and propane combustion by U.S. stoves

Gas and propane stoves emit nitrogen dioxide (NO2) pollution indoors, increasing long-term exposure by 4.0 parts per billion volume on average across the United States, which likely causes ~50,000 cases of pediatric asthma from long-term NO2 exposure alone. The study estimates that gas and propane stoves are responsible for substantial pediatric asthma and adult mortality, with lower-income ...

Google Declares the End of the World Wide Web

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Google has relegated searching the internet to a submenu on its new home page, replacing lists of links with artificially generated content. The web's popularity has declined, with many people accessing social media and other online services only through mobile devices, making Google's interest in the web seem diminishing.

First Black astronaut candidate, now 90, reaches space in Blue Origin flight

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Ed Dwight, a 90-year-old retired US air force captain, became the oldest person to reach the edge of space on Blue Origin's NS-25 mission. He was previously selected as an astronaut in 1961 but passed over, and now holds this record after flying with five other crew members on Sunday's launch from west Texas.

Zelda: Majora's Mask is now a native PC game, and every N64 title could follow

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N64 Recompiled is a tool that can turn any N64 game into a native PC port without an emulator, allowing for responsive gameplay and customizable controls. The tool works by statically recompiling N64 binaries into C code, with teasers showing ray tracing and texture packs on the way, but does not include the game itself to avoid piracy concerns.

I'm tired of "AI" products wrapped over and selling at high rates

The AI trend is overhyped, with many companies extracting money from non-tech businesses and funneling it back to venture capitalists, rather than adding real value. The hype cycle will eventually die down, leaving only products that bring real value based on non-trivial insights into specific markets.

Show HN: Optigraph – optimum graph network generator

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Download and extract the OptiGraph jar file, then compile and run it to use the app for graph planning. The app can be used for various purposes, including designing metro systems or Minecraft piston-bolt networks, with options to change algorithms and submit bug reports or pull requests.

“No Mow May“ Won't Fix Our Biodiversity Problems

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The concept of No Mow May, which encourages people to stop mowing their lawns for a month to support bees and other pollinators, has been criticized by some experts who argue that it may not be effective in promoting biodiversity. Instead, they suggest that converting lawns into more diverse ecosystems could be a better way to support wildlife, but there is no one-size-fits-all solution and ...

Format String Attacks (2000)

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The email discusses format string attacks, which occur when a programmer passes an untrusted user-input string to a printf function without properly validating it, allowing an attacker to control the execution of the program. The author provides examples and explanations of how to exploit this vulnerability, including writing arbitrary values to memory addresses and taking control of the ...

Chess and 18th Century artificial intelligence (2013)

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The Turk, an 18th-century chess-playing automaton, was revealed to be a hoax with a hidden chess player inside, showcasing human tendency to seek elegant solutions and underestimate mastery. The true genius behind the Turk was its operator's ability to find exceptional talent at affordable prices, highlighting the asymmetry of mastery where we overrate masters and underrate mastery.

I Couldn't Escape Poison Oak. So I Started Eating It

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A startup's "tablet" gears up to take on Apple's iPad

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The Daylight Tablet, designed for people with ADHD, prioritizes reading, writing, and productivity over entertainment, offering an e-ink screen optimized for eye comfort and use in sunlight. The reviewer praises the device's simplicity and elegance, enjoying its browser-based experience and note-taking capabilities while using it to read articles and papers.

Kotlin Scripting

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Kotlin scripting allows developers to write and execute scripts for automation, data processing, and prototyping, with concise syntax and interoperability with Java libraries. Best practices for Kotlin scripting include keeping scripts simple, handling errors, and modularizing code to create robust and maintainable scripts.

Ask HN: Why are people so mean in the open source community? (about xz again)

A person in the xz repo Issues tab was unable to compile the project and responded rudely, complaining about installation steps. The user appreciates Larhzu's polite response but wishes he would address such behavior more firmly like Thesamesam did.

Amazon Defends Its Use of Signal Messages in Court

Amazon responded to FTC allegations that executives used Signal app for business discussions, saying it was only used for quick exchanges on sensitive topics and not for meaningful business discussions. The company claims it has cooperated fully with the investigation, providing millions of documents and data, and denies any evidence of deleted or concealed messages.

Engineers among Islamic radicals [pdf]

The study finds that individuals with an engineering education are overrepresented among violent Islamists worldwide, with engineers making up 44% of those studied. The authors argue that this phenomenon can be explained by a combination of factors, including relative deprivation in the Islamic world and a mindset that is more prone to radicalization due to its emphasis on discipline, ...

How I upgraded my water heater and discovered how bad smart home security can be

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The user had issues with their tankless water heater taking too long to provide hot water, but discovered that it was also vulnerable to hacking through its Wi-Fi module. They installed the module and connected it to an app, allowing them to control recirculation and get hot water on demand, but felt this added another inconvenience.