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ByteSauna Newsletter

Deep cuts into AI, software, and the art of leading them well.

Understanding mathematics through Lean

An introduction to how Lean formalizes mathematical proofs using the Curry-Howard correspondence, turning theorems into types and proofs into verifiable terms.

December 15, 2025

Microservices should form a polytree

Microservices work best as a polytree with clear dependencies and no cycles. Learn how this structure reduces complexity and makes systems easier to scale and maintain.

December 8, 2025

Do the thinking models actually think?

LLMs mimic understanding but think bottom-up, unlike humans. Explore why they’re more than autocomplete and why the future is human–AI collaboration, not replacement.

December 1, 2025

No free lunch in vibe coding

AI won’t replace coding, it will simply move complexity from code to prompts. True control and precision will always need technical skill and structured thought.

November 24, 2025

My favorite math problem

There’s one math problem I find surprisingly deep in how it connects simple puzzles to profound ideas in logic, proof, and the rise of AI in mathematics.

November 17, 2025

LLMs are steroids for your Dunning-Kruger

ChatGPT and LLMs amplify both insight and illusion. They are not knowledge engines, but confidence engines shaping how we think and learn.

November 10, 2025

I love boring business ideas

Boring business ideas often outperform flashy startups. Stability, predictable revenue, and solid foundations create sustainable success without heavy funding.

November 3, 2025

AI can code, but it can't build software

AI can write code, but it can’t build real software. Software engineering remains human work because AI can code, not engineer.

October 27, 2025

Don't Let an AI Ruin Your Voice

AI can multiply your output overnight... or quietly erode your brand. How to keep efficiency and authenticity in balance?

October 21, 2025