U.S. bombs Iranian nuclear sites

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US President Donald Trump has announced successful strikes on three Iranian nuclear sites, including Fordo, Natanz, and Esfahan. The strikes were carried out by US B-2 bombers, with Trump stating all planes are now outside of Iranian airspace.

Mechanical Watch: Exploded View

https://fellerts.no/img/epoch/Bartosz_Ciechanowski_exploded_view.jpg
The user wants to create a 3D exploded view of a mechanical watch movement. They tried various methods, including layering resin and using fishing line to suspend components, before settling on a method that involves casting the entire model at once.

Git Notes: Git's coolest, most unloved­ feature (2022)

https://photos.tylercipriani.com/2022-10-30_simonw-git-notes.png
Git notes are powerful tools for appending metadata to commits, blobs, and trees without altering the objects themselves. They enable distributed storage and code review, but are hamstrung by a clunky interface and limited adoption.

I wrote my PhD Thesis in Typst

User wrote about their experience using Typst for their PhD thesis, mentioning its fast compilation, well-designed scripting language, and modern tools. They found it easier to work with than LaTeX, but had some issues with bibliography management and error messages.

TPU Deep Dive

https://henryhmko.github.io/posts/tpu/images/single_chip.png
TPUs are Google's ASICs designed for extreme matmul throughput and energy efficiency, with a co-design of hardware and software that relies on systolic arrays and Ahead-of-Time compilation. TPUs achieve scalability through a 3D torus topology and flexible node configuration, allowing for high operational stability and efficient communication between nodes.

Klein Bottle Amazon Brand Hijacking (2021)

The website is temporarily blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID and details of the action that triggered the block.
https://libredirect.github.io/img/icon.svg
A web extension that redirects YouTube, Twitter, Instagram, etc. requests to alternative privacy-friendly frontends

Using Home Assistant, adguard home and an $8 smart outlet to avoid brain rot

https://www.romanklasen.com/blog/beating-brainrot-by-button/traces.png
The user is a software developer who wants to moderate their internet use, specifically social media, due to its addictive nature. They created an automation using Home Assistant and Adguard Home to temporarily disable ad blockers for 15 minutes with a 1-hour cool-down period.

U.S. strikes Iran's nuclear facilities

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US military conducted air strikes on Iran's nuclear facilities in Fordow, Natanz and Isfahan. President Trump's decision marks a historic escalation in the Middle East, fraught with risks and uncertainty.

Show HN: Lego Island Playable in the Browser

https://isle.pizza/island.webp
The Island Model Quality setting affects the island's visibility, while Maximum LOD controls texture quality, and Maximum actors determines the number of LEGO characters in the game world.

How fast are Linux pipes anyway?

https://mazzo.li/assets/images/fast-pipes-pipe-ring.png
This post explores how unix pipes are implemented in linux by iteratively optimizing a test program that writes and reads data through pipes. splicing in particular is annoyance to kernel developers, but the themes we’ve touched upon are: zero-copy operations, ring buffers, and synchronization overhead. tuning our pipe program will involve looking at perf events and decreasing various sorts ...

Radio Garden

https://radio.garden/public/icons/rg-facebook-1.jpg
Explore live radio by rotating the globe.

The cultural decline of literary fiction

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Writers: literary men are unfairly denied fellowships and publications. they say people still read plenty of literary fiction, what they don't read is contemporary fiction. if they want to write and make a decent amount of money, where can they go? writers of contemporary literature have to find new outlets, such as film, tv, and radio, says scott mccartney. writers must find ways to make ...

AGI is Mathematically Impossible 2: When Entropy Returns

A newton-ai literally cannot think "relative time" - those symbols don't exist in its vocabulary. the more data the system receives, the higher its internal uncertainty becomes, says samuel e. hennessy, in his paper "the failure of abstraction is not philosophical" "the problem is that if we want to understand the world, we need to think in terms of the symbols we use" the paper conclude

Show HN: Report idling vehicles in NYC (and get a cut of the fines) with AI

https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/50/1c/cf/501ccfc8-3cf3-8195-f69a-899c1d54f89e/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/1200x630wa.png
Idle Reporter is an app that simplifies reporting idling commercial vehicles in NYC with features like AI-powered form filling and a status tracker. Users can record and submit complaints in just five minutes with the app's easy-to-use interface.

Sound As Pure Form: Music Language Inspired by Supercollider, APL, and Forth

https://opengraph.githubassets.com/93d0ba3f60365f64b2edb396896a6e34725de198a661cb2f25b5ee54d7bf3b3f/lfnoise/sapf
Sapf is a functional, stack-based programming language for creating and transforming sound, inspired by APL, Joy, and other languages, with a focus on concise and expressive power. It features a postfix notation, lazy sequences, and automatic mapping, scanning, and reduction operators, making it suitable for interactive sound design and music composition.

Using an $8 smart outlet to avoid brainrot

https://cdn.thewirecutter.com/wp-content/media/2024/08/smart-plug-2048px-2206.jpg
You created a script that blocks distracting websites by updating /etc/hosts when a smart plug switch is turned on. This adds friction to visiting blocked sites, encouraging self-control through physical effort.

Finding a billion factorials in 60 ms with SIMD

The problem involves calculating factorials of given numbers modulo M. The initial solution has a runtime of 3745 ms, but after applying optimizations such as Wilson's theorem, factoring out even numbers, and utilizing instruction-level parallelism, the runtime is reduced to 61 ms.

GOP omnibus bill would sell off USPS's EVs

Writing a basic Linux device driver when you know nothing about Linux drivers

The user reverse-engineered the protocol for the Nanoleaf Pegboard Desk Dock and wrote a basic Rust binary to control its RGB LEDs using the rusb crate and libusb. They successfully implemented a simple driver that can change the color of the device and handle interrupts, but plan to polish and share their proof of concept with the Linux community.

The probability of a hash collision (2022)

https://kevingal.com/static/img/collisions/error.png
A hash function maps complex input to a single number, useful for data storage and cryptography. It calculates the probability of a hash collision, which occurs when two different items have the same hash value, by using the birthday problem formula.

Canal Boat Simulator

https://jacobfilipp.com/wp-content/uploads/2025/04/narrow-escapes-1.jpg
The user created a game called Canal Carnage, a gritty canal boat game, after watching a show about life on Britain's inland canals and initially using a simple approach before switching to the Godot game engine. The game took 2 months and 22 days to complete and the user learned a lot about game development, including the importance of knowing the internals of the game engine and the value ...

Denmark Is Switching to Linux

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Denmark's Ministry of Digital Affairs is switching to Linux from Windows and Office 365 for greater digital sovereignty. The move aims to reduce dependence on foreign suppliers and increase digital freedom.

Why do all browsers' user agents start with "Mozilla/"? (2008)

Show HN: I'm a doctor and built a responsive breathing app for anxiety and sleep

https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/1f/9d/24/1f9d24c9-055b-fbee-dc99-b46f288f4d5a/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/1200x630wa.png
Lungy is a breathing app that helps users feel calmer and relaxed through interactive exercises. It offers a free version with daily exercises and a premium version with customized exercises and personalized reports.

Harry Brearley, the creator of stainless steel (2016)

https://assets.nautil.us/sites/3/nautilus/OneQuestion-logo.png?auto=compress&fit=scale&fm=png&h=127&ixlib=php-3.3.1&w=300&wpsize=medium
Bob greene: in 1882, a boy named harry brearley worked in the steelworks for the first time. he says the 11-year-old had no books, pictures, or toys, but grew comfortable in lab spheres. now, it's credited with fathering stainless steel, which is stronger, tougher, stronger - greener says it is based on his lab journal describing peculiar nature of his alloy, 80

Show HN: A Tool to Summarize Kenya's Parliament with Rust, Whisper, and LLMs

https://raw.githubusercontent.com/c12i/bunge-bits/main/logo.png
Bunge Bits provides accessible summaries of Kenyan legislative proceedings to strengthen democracy and increase civic engagement. It aims to empower citizens with knowledge to participate in informed discussions and hold elected officials accountable.

Avoiding the Global Lobotomy

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The user describes feeling a sense of disconnection from reality and difficulty concentrating due to the effects of modern technology and societal pressures, which they liken to a form of abstract lobotomy. To avoid this, the user suggests limiting phone use, practicing mindfulness and meditation, reading old books, and taking time to think and reflect on one's thoughts and actions.

Hawaii Highways

This website provides information on Hawaii's highway system for road scholars, tourists, and travelers. It includes route details, historical information, photos, and guides to Oahu Freeways exits and interchanges.

The AIpocalypse is here for web sites as search referrals plunge

https://regmedia.co.uk/2023/10/02/tumbleweed_shutterstock.jpg
Google's AI Overviews are reducing click-throughs to source websites by 30 percent, hurting web publishers' advertising and subscription revenues. AI companies are taking more content from websites than they are giving back in search referrals, with ratios of pages crawled to visitors referred increasing significantly.

Announcing the Clippy feature freeze

https://www.rust-lang.org/static/images/rust-social-wide.jpg
Clippy will be in feature-freeze from June 26th to September 18th 2025, accepting only bug fixes. This pause aims to improve lint accuracy and reduce false positives.

Children in England growing up 'sedentary, scrolling and alone', say experts

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Experts say children in England are growing up sedentary and alone due to a decline in play, calling for a national play strategy and £125m funding. They recommend banning "no ball games" signs, raising the digital age of consent, and restoring play to the education system.

Playing First Contact in Eclipse, a 3-Day Sci-Fi Larp

https://mssv.net/wp-content/uploads/2025/06/eclipse-location-7.webp?w=1024
A three-day sci-fi larp set in 2059 can now be organised by volunteers. explorers had their own unique pleasures; i found it much easier to role play as nostromo grunt compared to 'know-it-all scientist' other players wrote and ran saga on discord; others spent 45 mins each day on puzzmo for 556 days in row. the game is aimed at

What would happen if you tried to land on a gas giant?

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Gas giants like Jupiter and Saturn form through core accretion or disk instability, with complex structures and no clear surface. Researchers now understand that their cores are fuzzy and diluted, with heat and composition gradients, and helium rain towards the core.

Interview with Francine Prose [audio]

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Francine Prose discusses her book 1974: A Personal History about her youth in San Francisco during the Vietnam War. She talks about the city's counterculture and her relationship with Pentagon Papers whistleblower Tony Russo.

Discover C++26's compile-time reflection

https://lemire.me/blog/wp-content/uploads/2025/06/Capture-decran-le-2025-06-21-a-21.55.10-825x510.png
C++26 will include compile-time reflection, allowing access to code structure and simplifying tasks like JSON conversion and SQL mapping. Compile-time reflection enables efficient and safe code reuse through optimized template metaprogramming.

A Dictionary of the Language of Myst's D'ni

http://www.eldalamberon.com/DniNumberLetter.gif
A dictionary of the language of d’ni compiled by kh’reestrefah. it lists words whose meaning is known or nearly certain in either of their languages - with citations to the actual source of each item if available ; an index of english glosses is given at the end of this dictionary. the dictionary is based on the text in the game myst iv: revelation, by atrus to

Dev jobs are about to get a hard reset and nobody's ready

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, they can try resetting to default User-Agent or file a ticket for assistance.

Show HN: Turn a paper's DOI into its full reference list (BibTeX/RIS, etc.)

https://references.mireklzicar.com/preview.png
Convert academic paper references from DOI to BibTeX, RIS, EndNote and citation styles like APA, IEEE, Nature. Download formatted citations with one click.

Battery-electric "Infinity Train" will charge itself using gravity

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Fortescue Future Industries is developing an electric "infinity train" that can move iron ore without needing to be charged, using regenerative braking on downhill slopes. The train is part of Fortescue's efforts to clean up its operations and develop green solutions for others by 2030.

One million and counting: Russian casualties hit milestone in Ukraine war

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Russia's funeral industry has seen a boom due to high military casualties in Ukraine, with funeral service providers earning nearly 40bn rubles in 2025. The war has caused over 1 million Russian troops to be killed or injured since 2022, with estimates suggesting up to 250,000 deaths.

Bluetooth Jammer

https://camo.githubusercontent.com/d180c6b12c3fd8a08e8265d0dac7fdfb6d0d891a59ed0dccdf57dba0afd383a6/68747470733a2f2f64776477706c642e70616765732e6465762f45535033322d426c75654a616d6d6572427940656d656e7374612e6a7067
The ESP32-BlueJammer is a device that disrupts various devices using an ESP32 and nRF24 modules, causing noise and sending unnecessary packets. It interferes with devices on the 2.4GHz band, including Bluetooth, WiFi, RC drones, and IoT devices.

Don't Read This If You Have a Security Clearance (2023)

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The US government has a policy that prohibits employees from viewing leaked documents, even if they are already public, due to a 2013 security rule. This policy hinders national-security experts from learning from these leaks, which provide valuable insights into how intelligence agencies operate.

Show HN: I made a screenshot beautifier

https://moocup.jaydip.me/og.webp
Create beautiful mockups in seconds

World Curling tightens sweeping rules, bans firmer broom foams ahead of Olympics

https://i.cbc.ca/1.7068978.1729296477!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_1180/cur-world-men-20230409.jpg?im=Resize%3D780
World Curling banned firmer broom foams due to player concerns, approving only less-firm foams for competition. The decision follows consultation with players, manufacturers, and ice experts.

Otus Lisp

Ol is a tiny, cross-platform Scheme dialect with a high-level interface for calling code in other languages, embeddable and portable. It supports various operating systems and hardware architectures, with a virtual machine size depending on the platform and features.

The Jumping Frenchmen of Maine

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The Jumping Frenchmen of Maine was a rare neuropsychiatric condition where individuals exhibited exaggerated startle responses and automatic obedience to commands. It was likely a learned behaviour, possibly due to operant conditioning, that developed in isolated lumber camps.

Linux on the Behringer X32 [video]

Let's Talk About Writing in Tech

https://www.gmoniava.com/og?title=Let%E2%80%99s%20Talk%20About%20Writing%20in%20Tech
Developers often struggle with writing clear documentation despite being skilled coders. Improving documentation requires working on writing skills, separate from coding expertise.

USAF B-2 Spirit Bombers Have Beds

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US Air Force B-2 Spirit bombers have a fold-down cot, microwave, and small toilet for crew rest during prolonged missions. The aircraft's compact amenities allow pilots to alternate rest periods and maintain combat readiness during missions that can exceed 40 hours.

Advanced Python Function Debugging with MCP Integration

https://opengraph.githubassets.com/5d9bde578dc8b007fef806b7c15035bb687547c3036be8dca9e9a1aeea007261/kordless/gnosis-mystic
Gnosis Mystic allows AI assistants to access and optimize Python functions through runtime analysis and minimal decorators. It provides real-time insights into function behavior, performance, and security.

Sam x Jony page on OpenAI is deleted

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

FreeBSD Kernel Modules Pkg(8) Repositories

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FreeBSD 14.3-RELEASE now includes kernel modules in default pkg(8) repositories to solve the issue of broken kernel modules after point releases. This change allows for smoother upgrades and reduces the need for workarounds like ZFS Boot Environments.

Show HN: Progressor – coach that breaks down big goals into actionable steps

https://progressor.me/hero_img.webp
Think of a big project you're not making progress on. We'll help you get there. We'll also find helpful resources and tips specific to your journey and each particular step. We'll also find helpful resources and tips specific to your journey and each particular step. We break down your big goals into bite-sized tasks that you can complete every day.

The Void IDE, Open-Source Alternative to Cursor, Released in Beta

https://imgopt.infoq.com/fit-in/100x100/filters:quality(80)/presentations/clojure-2024/en/smallimage/jordan-miller-thumbnail-1747726905896.jpg
Void IDE is a new open-source AI-powered code editor that offers a privacy-focused alternative to popular closed-source editors. It allows developers to control their data and supports direct integrations with services like Claude and GPT.

AI API Prices are 90% Subsidized

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The LLM API market is a subsidized land-grab phase with companies investing billions in AI infrastructure despite API prices being unsustainable. API prices will normalize, making in-house inference a compelling option for high-volume workloads.

Air India crash points to systemic problems at Boeing that CEO Ortberg must fix

https://leehamnews.com/wp-content/uploads/2025/06/GettyImages-2208149063-Ortberg.jpg
If the up move had never been assessed as an issue, it would not exist. gt;statistically, an aircraft that has never had a crash in 15 years won’t have another one within the next week. the 787 fleet in, and occasionally out, of, service for 14 years and now over 1000 strong just had its first fatal accident. airbus just announced at the 2025 paris air show that it has signed... an order for 100 a

Was laid off from Microsoft after 23 years, and I'm still going into the office

https://i.insider.com/6852943985e81483682c5045?width=700
Freddy Kristiansen, a 59-year-old former Microsoft principal product manager, was laid off in May after 23 years but still feels committed to the company and its products. He's using his six-month notice period to plan his own business and help his former team.

How to Think about Parallel Programming: Not! [video] (2021)

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Guy Steele is a Sun Fellow working on programming language research with a background in computer science and AI. Strange Loop is a conference promoting innovation in the intersection of established and emerging technologies.

Japan Adventures: A Designer's Perspective

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José's trip to Tokyo inspired new bag designs, including a Boston Bag and a lightweight tote, by observing how Tokyo-ites carry with intention and prioritize functionality, accessibility, style, and size. His notes, "Musings on Japan Carry Culture," offer insights into the bags, brands, and behaviors shaping daily life in Tokyo.

Cracking the Mondrian Code (2017)

https://www.thebeliever.net/wp-content/uploads/2017/12/Piet_Mondriaan_Victory_Boogie_Woogie.jpg
Piet Mondrian's unfinished painting "Victory Boogie Woogie" is a diamond-shaped canvas with colored tape, left incomplete at his death in 1944. Art historians debate whether Mondrian intended to finish it or if the unfinishedness was intentional, adding to the painting's mystique and allure.

Discover C++26's compile-time reflection

https://lemire.me/blog/wp-content/uploads/2025/06/Capture-decran-le-2025-06-21-a-21.55.10-825x510.png
C++26 will include compile-time reflection, allowing access to code structure and simplifying tasks like JSON conversion and SQL mapping. Compile-time reflection enables efficient and safe code reuse through optimized template metaprogramming.