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Eliminating contrails from flying could be cheap
Could we halve aviation's climate impact at a fraction of the cost of sustainable aviation fuels?
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The latest blog posts to take off on Hacker News. 80,828 posts.
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How Apple designs a virtual knob (2012)
💡 Author's note: This unpublished post was originally written in May 2012, and refreshed for publication in November 2022.
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Solar energy is now the cheapest source of power, study
University of Surrey research finds solar is now the lowest cost electricity source in sunniest regions. Discover what this means for the global energy future.
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Less is more: Recursive reasoning with tiny networks
|| Paper | Code ||
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The World's 2.75B Buildings
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Doing Rails Wrong
What is a Banana Curving Machine? Well it's a fantastic apparatus that does what it says. Curves Bananas.
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Seeing like a software company
The big idea of James C. Scott’s Seeing Like A State can be expressed in three points: Modern organizations exert control by maximising “legibility”: by…
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The Flummoxagon
We’re excited to announce Flummoxagon, a new geometric puzzle game that might just leave you flummoxed. Imagine a mash-up of Pentominoes and Sudoku. Your goal is to fit all the pieces into the hexa…
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Vibe engineering
I feel like vibe coding is pretty well established now as covering the fast, loose and irresponsible way of building software with AI—entirely prompt-driven, and with no attention paid to …
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Erlang ARM32 JIT is born
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
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Nobel Prize in Physics 2025
The Nobel Prize in Physics 2025 was awarded jointly to John Clarke, Michel H. Devoret and John M. Martinis "for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit"
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Hardware Stockholm Syndrome
2025-10-05
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RediShell: Critical remote code execution vulnerability in Redis
A 13‑year Redis flaw (CVE‑2025‑49844) allows attackers to escape Lua sandbox and run code on hosts. See Wiz Research’s analysis and mitigations.
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CodeMender: an AI agent for code security
Using advanced AI to fix critical software vulnerabilities
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Valorant's 128-Tick Servers (2020)
Hi, I’m Brent “Brentmeister” Randall and I’m an engineer on the Gameplay Integrity team for VALORANT . My team is responsible for VALORANT ’s build system, automation framework, game client performance, and server performance. In this arti…
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A quiet change to RSA
Over the course of years, RSA implementations gradually replaced Euler's totient function with Carmichael's totient function.
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Apps SDK
Learn to build plugins for ChatGPT and Codex with skills, MCP servers, and optional UI. Explore developer guides for authentication, testing, and publishing.
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When ChatGPT turns informant
The largely overlooked privacy risks of using AI apps that not only remember your conversations, but are capable of using these to reveal your deepest secrets to others
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"Be Different" doesn't work for building products anymore
We are in the middle of the biggest red ocean I have ever seen in software development.
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OpenZL: An open source format-aware compression framework
OpenZL is a new open source data compression framework that offers lossless compression for structured data. OpenZL is designed to offer the performance of a format-specific compressor with the eas…
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Show HN: I'm building a browser for reverse engineers
In the expanding world of AI my heart still lies in AST transforms, browser fingerprinting, and anti-bot circumvention. But my workflow felt... primitive.
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Apple's Unlawful Evil
Apple has removed ICEBlock, a totally legal app that helps people track the movements of the masked snatch-squads who illegally terrorize brown people in America's cities, capitulating to a warrantless demand from Trump's DoJ boss Pam Bondi:
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A beginner's guide to deploying LLMs with AMD on Windows using PyTorch
Get started running LLMs with PyTorch on Windows using AMD consumer graphics hardware.
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More random home lab things I've recently learned
From my series of "Christian's Home Lab adventures", here's some more things I've recently learned / discovered and figured are worth sharing: NVMe SSDs on a Raspberry PI, ARM64 adventures, more zfs troubles, and some cool tools you should try.
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Uv overtakes pip in CI
An opportunity for more opinionated defaults
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An illustrated introduction to linear algebra
Chapter 1: Row vs column picture
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My first contribution to Linux
I upstreamed my first kernel patch, and it was easier than I thought it would be.