top 50% hacker news stories for 2025-10-21

Replacing a $3000/mo Heroku bill with a $55/mo server

https://disco.cloud/blog/how-idealistorg-replaced-a-3000mo-heroku-bill-with-a-55-server/

10 months ago

ChatGPT Atlas

https://chatgpt.com/atlas

10 months ago

Build your own database

https://www.nan.fyi/database

10 months ago

LLMs can get "brain rot"

https://llm-brain-rot.github.io/

10 months ago

Wikipedia says traffic is falling due to AI search summaries and social video

https://techcrunch.com/2025/10/18/wikipedia-says-traffic-is-falling-due-to-ai-search-summaries-and-social-video/

10 months ago

Foreign hackers breached a US nuclear weapons plant via SharePoint flaws

https://www.csoonline.com/article/4074962/foreign-hackers-breached-a-us-nuclear-weapons-plant-via-sharepoint-flaws.html

10 months ago

Neural audio codecs: how to get audio into LLMs

https://kyutai.org/next/codec-explainer

10 months ago

Karpathy on DeepSeek-OCR paper: Are pixels better inputs to LLMs than text?

https://twitter.com/karpathy/status/1980397031542989305

10 months ago

NASA chief suggests SpaceX may be booted from moon mission

https://www.cnn.com/2025/10/20/science/nasa-spacex-moon-landing-contract-sean-duffy

10 months ago

Ask HN: Our AWS account got compromised after their outage

https://news.ycombinator.com/item?id=45657345

10 months ago

60k kids have avoided peanut allergies due to 2015 advice, study finds

https://www.cbsnews.com/news/peanut-allergies-60000-kids-avoided-2015-advice/

10 months ago

People with blindness can read again after retinal implant and special glasses

https://www.nbcnews.com/health/health-news/tiny-eye-implant-special-glasses-legally-blind-patients-can-read-rcna238488

10 months ago

Apple alerts exploit developer that his iPhone was targeted with gov spyware

https://techcrunch.com/2025/10/21/apple-alerts-exploit-developer-that-his-iphone-was-targeted-with-government-spyware/

10 months ago

The Programmer Identity Crisis

https://hojberg.xyz/the-programmer-identity-crisis/

10 months ago

Fallout from the AWS outage: Smart mattresses go rogue

https://quasa.io/media/the-strangest-fallout-from-the-aws-outage-smart-mattresses-go-rogue-and-ruin-sleep-worldwide

10 months ago

rlsw – Raylib software OpenGL renderer in less than 5k LOC

https://github.com/raysan5/raylib/blob/master/src/external/rlsw.h

10 months ago

Tesla is heading into multi-billion-dollar iceberg of its own making

https://electrek.co/2025/10/20/tesla-heading-into-multi-billion-dollar-iceberg-of-own-making/

10 months ago

Doomsday scoreboard

https://doomsday.march1studios.com/

10 months ago

Public trust demands open-source voting systems

https://www.voting.works/news/public-trust-demands-open-source-voting-systems

10 months ago

AI is making us work more

https://tawandamunongo.dev/posts/2025/10/ai-work-more

10 months ago

UA 1093

https://windbornesystems.com/blog/ua-1093

10 months ago

Erowid - Documenting the Complex Relationship Between Humans and Psychoactives

https://www.erowid.org

10 months ago

StarGrid: A new Palm OS strategy game

https://quarters.captaintouch.com/blog/posts/2025-10-21-stargrid-has-arrived,-a-brand-new-palm-os-strategy-game-in-2025.html

10 months ago

Diamond Thermal Conductivity: A New Era in Chip Cooling

https://spectrum.ieee.org/diamond-thermal-conductivity

10 months ago

The Hidden Engineering of Niagara Falls

https://practical.engineering/blog/2025/10/21/the-hidden-engineering-of-niagara-falls

10 months ago

"Anna, Lindsey Halligan Here." My Signal exchange with the interim U.S. attorney

https://www.lawfaremedia.org/article/anna--lindsey-halligan-here

10 months ago

Mosquitoes discovered in Iceland for the first time

https://www.cnn.com/2025/10/21/climate/iceland-mosquito-discovery

10 months ago

Is Sora the beginning of the end for OpenAI?

https://calnewport.com/is-sora-the-beginning-of-the-end-for-openai/

10 months ago

Language Support for Marginalia Search

https://www.marginalia.nu/log/a_126_multilingual/

10 months ago

Designing software for things that rot

https://drobinin.com/posts/designing-software-for-things-that-rot/

10 months ago

Just Use Curl

https://justuse.org/curl/

10 months ago

Magit Is Amazing

https://heiwiper.com/posts/magit-is-awesome/

10 months ago

Should LLMs just treat text content as an image?

https://www.seangoedecke.com/text-tokens-as-image-tokens/

10 months ago

Why can't transformers learn multiplication?

https://arxiv.org/abs/2510.00184

10 months ago

Practical Scheme

https://practical-scheme.net/index.html#docs

10 months ago

Rectal oxygen delivery might soon be a real medical treatment

https://arstechnica.com/science/2025/10/butt-breathing-might-soon-be-a-real-medical-treatment/

10 months ago

Our modular, high-performance Merkle Tree library for Rust

https://github.com/bilinearlabs/rs-merkle-tree

10 months ago

NORAD’s Cheyenne Mountain Combat Center, c.1966

https://flashbak.com/norad-cheyenne-mountain-combat-center-478804/

10 months ago

SpaceX is behind schedule, so NASA will open Artemis III contract to competition

https://www.theregister.com/2025/10/21/spacex_is_behind_schedule_so/

10 months ago

Geoutil.com – Measure distances, areas, and convert geo data in the browser

https://geoutil.com

10 months ago

20,858 Public Domain Audio Books

https://librivox.org/search

10 months ago

US chess grandmaster Daniel Naroditsky dies aged 29

https://www.bbc.com/news/articles/c15pz8vpjp9o

10 months ago

Ilo – a Forth system running on UEFI

https://asciinema.org/a/Lbxa2w9R5IbaJqW3INqVrbX8E

10 months ago

Show HN: Katakate – Dozens of VMs per node for safe code exec

https://github.com/Katakate/k7

10 months ago

Pasta/80 is a simple Pascal cross compiler targeting the Z80 microprocessor

https://github.com/pleumann/pasta80

10 months ago

Passwords and Power Drills

https://google.github.io/building-secure-and-reliable-systems/raw/ch01.html#on_passwords_and_power_drills

10 months ago

The Greatness of Text Adventures

https://entropicthoughts.com/the-greatness-of-text-adventures

10 months ago

Linux disk I/O diagram (2024)

https://zenodo.org/records/15234151

10 months ago

Researchers complete first human trial on viability of enteral ventilation

https://newatlas.com/disease/butt-breathing-ignobel-prize/

10 months ago

The Lottery-fication of Everything

https://www.dopaminemarkets.com/p/the-lottery-fication-of-everything

10 months ago

Amazon hopes to replace 600k US workers with robots

https://www.theverge.com/news/803257/amazon-robotics-automation-replace-600000-human-jobs

10 months ago

SierraDB: A distributed event store built in Rust

https://tqwewe.com/blog/building-sierradb/

10 months ago

OpenBSD 7.8

https://www.openbsd.org/78.html

10 months ago

Normalize.css

https://csstools.github.io/normalize.css/

10 months ago

Kvcached: Virtualized, elastic KV cache for LLM serving on shared GPUs

https://www.notion.so/yifanqiao/Solve-the-GPU-Cost-Crisis-with-kvcached-289da9d1f4d68034b17bf2774201b141

10 months ago

Japanese convenience stores are hiring robots run by workers in the Philippines

https://restofworld.org/2025/philippines-offshoring-automation-tech-jobs/

10 months ago

Show HN: I'm rewriting a web server written in Rust for speed and ease of use

https://ferron.sh/

10 months ago

Finding my rhythm again

https://jeremydaly.com/finding-my-rhythm-again/

10 months ago

Argentine peso weakens to fresh low despite US interventions

https://www.ft.com/content/815ef487-0d0e-430c-b140-9bc39dbd1a53

10 months ago

Show HN: MacOS Live Screensaver – A screensaver that plays live video streams

https://github.com/hauxir/macos-live-screensaver

10 months ago

Solving regex crosswords with Z3

https://blog.nelhage.com/post/regex-crosswords-z3/

10 months ago

Most expensive laptops

https://comparelaptopprices.com/lists/most-expensive-laptops/

10 months ago

Don't use AI to tell you how to vote in election, says Dutch watchdog

https://www.theguardian.com/world/2025/oct/21/ai-chatbots-unreliable-biased-advice-voters-dutch-watchdog

10 months ago

RF Shielding History: When the FCC Cracked Down on Computers

https://tedium.co/2025/10/20/computers-fcc-rf-interference-history/

10 months ago

White House's East Wing partially demolished as work begins on $250M ballroom

https://www.theguardian.com/us-news/2025/oct/20/trump-white-house-ballroom-construction

10 months ago

The Gypsy Life of Robert Louis Stevenson

https://hudsonreview.com/2025/10/the-gypsy-life-of-robert-louis-stevenson/

10 months ago

AI Weiwei: What I Wish I Had Known About Germany Earlier

https://hyperallergic.com/1050197/what-i-wish-i-had-known-about-germany-earlier/

10 months ago

The Rubygems.org takeover

https://lwn.net/SubscriberLink/1040778/77d921001b26d061/

10 months ago