top 20 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/

1 year ago

ChatGPT Atlas

https://chatgpt.com/atlas

1 year ago

Build your own database

https://www.nan.fyi/database

1 year ago

LLMs can get "brain rot"

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

1 year 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/

1 year 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

1 year ago

Neural audio codecs: how to get audio into LLMs

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

1 year ago

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

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

1 year 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

1 year ago

Ask HN: Our AWS account got compromised after their outage

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

1 year 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/

1 year 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

1 year 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/

1 year ago

The Programmer Identity Crisis

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

1 year 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

1 year ago

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

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

1 year 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/

1 year ago

Doomsday scoreboard

https://doomsday.march1studios.com/

1 year ago

Public trust demands open-source voting systems

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

1 year ago

AI is making us work more

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

1 year ago