// Blog

Notes on engineering, analytics and ML

Technical articles with code and math. Filter by category.

// new · interactive🌍 Atlas of Conjectures

A world map of 303 mathematical conjectures: where and when they arose and when they were solved. Spin the globe, filter by era and play it through time.

Explore the map →
Conjectures2026-10-20· 3 min
An atlas of conjectures: where and when open problems are born

More than 300 mathematical conjectures placed on the map and in time. What the atlas shows, how it was built, and the limitations of its data.

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Conjectures2026-07-14· 6 min
The Abyss of Set Theory: Understanding Russell's Paradox

How a simple question about whether a set belongs to itself brought down the foundations of mathematics —and how ZFC rebuilt them.

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Conjectures2026-07-14· 3 min
Understanding conjectures: how to think about an unsolved problem

A conjecture is neither a truth nor a mistake: it's an educated bet about a pattern. How conjectures are formulated, how they're tested, and why they matter to anyone who models data.

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Data engineering2026-07-10· 7 min
Modern Data Lake Management: From Data Swamp to Lakehouse

From the raw Data Lake to the Lakehouse: open table formats, open catalogs, generative AI, and decentralization with Data Mesh and data contracts.

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Data engineering2026-07-04· 1 min
How to design a reliable data engineering pipeline

Practical principles for building data pipelines that don't break with every schema change.

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Data analysis2026-06-20· 1 min
Outlier detection with the interquartile range (IQR)

A simple, robust method for finding outliers before modeling.

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Modeling2026-05-10· 1 min
Linear regression from scratch: what's behind .fit()

Understanding gradient descent helps you diagnose why a model doesn't converge.

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