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Overview
My name is Andrei Nicolin Ciobanu, pronounced [anˈdrej] [t͡ʃoˈbanu] [nikoˈlin], or ahn-DRAY nee-ko-LEEN cho-BAH-noo. Myself, Saint-Paul-de-Vence, France, 2019 I was born in Bailesti, Southern Romania, in 1987, just two years before the fall of communism. That makes me an Oltenian.
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The cube, the epicycles and the human face
This article should be read with the opening scene of Westworld in mind. What if Plato and Leibniz were right? Maybe some mystics were right as well. As above, so below . Everything would fit nicely if the oscillatory behaviour of nature were more than a
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The Scroll Manifesto
Scroll inside the stage with the mouse wheel or with your finger. It is only a machine, but it already understands the gesture. Have fun! d...
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A mathematical problem
While reading some classic poetry, I accidentally found Samuel Taylor Coleridge's A Mathematical Problem : On a given finite line Which must no way incline; To describe an equi- -lateral Tri- -A, N, G, L, E. I have to admit, the poem is not the easiest to
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What Is Your Name in Another Universe?
Weekend articles should be lighter and fun. Not everything has to be an argument, a deep dive, or a small your average frustration disguised as an essay. Sometimes I just want to build a tiny piece of nonsense, the sort of harmless interactive bullshit th
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The associations people make
A silly story is easier to remember .octo-canvas-wrap { width: 100%; overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; margin: 2rem 0; } .octopus-graph { width: 600px; height: 460px; position: relative; margin: 0 auto; border: 2px s
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The Shape of Inequalities
…symmetry isn't just a preference for "pretty" shapes. Contents Introduction The HM-AM-GM-QM Inequality The two circles The Semicircle The Container The 3D conta...
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Fresco: The lightbringer
Some jokes write themselves. In our case, the electrician wrote it. Let me give you a little context. Summers in Bucharest can get brutally hot, and when it gets that hot, your brain simply stops functioning. So on weekends, I prefer the cool breeze of th
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The blog looks different now
It's 2026, and my interest in writing was at a new all-time low. Naturally, instead of actually writing, I did what any self-respecting developer does: I spent a week migrating the entire blog from the venerable Jekyll to Hugo. Does this count as programm
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The Trickonometry of Math Olympiad Inequalities
Contents Disclaimer Introduction Inequations vs. Inequalities Weak Inequalities vs. Strict inequalities Being playful with algebraic identities The AM-G...
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