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JA3 and JA4 hash the TLS ClientHello to reliably identify the client library. Why Chrome looks different from Firefox, and OpenVPN from both. Full breakdow

Fat is a very valuable food component, packed with calories, especially important when other resources might be scarce. Our earliest ancestors in Africa already cracked open bones to extract the fatty marrow from bone cavities. But now a new study published in Science Advances demonstrates that our…

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Economist: Here’s what insight from the Bank of Canada April Monetary Policy Report means for Canadian businesses and employees across the nation.

In a world where a single point of failure can throw our machines into chaos, everything from sharks to authoritarian governments and old ladies have brought the web to its knees.

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In Part 1 of this (63-part) series exploring the world of subtractive synthesis, Gordon Reid goes right back to basics. What are waveforms and harmonics, where do they come from, and how does the theory relate to what we actually hear?

A collection of principles and patterns that shape software systems, teams, and decisions.

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A reporter for The New York Times claims to have unmasked Satoshi Nakamoto, the mysterious creator of Bitcoin.

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Similar to the previous post, this post covers my analysis of a benchmark on RISC-V targets. Unlike the previous post, I was able to land a patch to eliminate the performance gap to GCC (for this benchmark)!

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I love sampling algorithms. Here's the sampling algorithm that I find most magical. We want to generate a subset of {1, 2, ..., n} of size k. def floyd(n,...

I’m part of the desktop software generation. From Windows 95 to Windows 7, I grew using mostly-offline software on computers operated via mouse and keyboard, well before tablets and smartphones. Recently, I’ve been missing one particular part of that era: its consistency in design. I want to tell you about

Drones in Ukraine and in the War with Iran have made the surface of the earth a contested space. The U.S. has discovered that 1) air superiority and missile defense systems (THAAD, Patriot batteries) designed to counter tens or hundreds of aircraft and missiles is insufficient against asymmetric attacks of thousands of drones. And that…

Have you ever needed to make sure your website has a broken certificate? While many tools exist to help run an HTTPS server with valid certificates, there aren’t tools to make sure your certificate is revoked or expired. This is not a problem most people have. Tools to help manage certificates are always focused on avoiding those problems, not creating them. Let’s Encrypt is a Certificate Authority, and so we have unusual problems we need to solve.

New videos give an even clearer view - unquestionably our best ever - of the legendary classified stealth drone, previously seen landing in Greece last month.

A conversation with Max Tegmark as part of MIT course on Artificial General Intelligence. Video version is available on YouTube. He is a Physics Professor at MIT, co-founder of the Future of Life Institute, and author of “Life 3.0: Being Human in the Age of Artificial Intelligence.” If you would like to get more information about this podcast go to https://lexfridman.com/ai or connect with @lexfridman on Twitter, LinkedIn, Facebook, or YouTube where you can watch the video versions of these conversations.

A simple trick involving poetry is enough to jailbreak the tech industry's leading AI models, researchers found.

A modern, AI-native documentation platform with full MCP integration. Submit, discover, and explore documentation from any source.

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