Rob's BlogNotes on thinking, ideas, and the things I can't stop reading about.https://blog-roberto-reale.vercel.app/After the Articles: an Open Source Arc, Two Fixes, and the Updated Setup Guidehttps://blog-roberto-reale.vercel.app/article/budget-travel-pipeline-fixed/https://blog-roberto-reale.vercel.app/article/budget-travel-pipeline-fixed/What happened after Part 2 published: the maintainer read it, opened an issue, shipped two fixes in 48 hours, then released v1.10.0 with every workaround from this series built in natively. The complete, current pipeline setup — and what a first open source contribution arc actually looks like.Sun, 14 Jun 2026 00:00:00 GMTWhat Does It Take to Notice a Change? Inside Weber's Law and the Logic of Perceptionhttps://blog-roberto-reale.vercel.app/article/what-does-it-take-to-notice-a-change-inside-webers-law-and-the-logic-of-perception/https://blog-roberto-reale.vercel.app/article/what-does-it-take-to-notice-a-change-inside-webers-law-and-the-logic-of-perception/A first-principles look at Weber's Law — the discovery that what counts as a noticeable change depends on where you start, and how that one ratio quietly shapes pricing, prison sentences, and the feeling that time speeds up with age.Sat, 13 Jun 2026 14:30:00 GMTInside the Black Box: How Quants Search for Real Patterns, and What Happens When the Machines Get It Wronghttps://blog-roberto-reale.vercel.app/article/inside-the-black-box-how-quants-search-for-real-patterns-and-what-happens-when-the-machines-get-it-wrong/https://blog-roberto-reale.vercel.app/article/inside-the-black-box-how-quants-search-for-real-patterns-and-what-happens-when-the-machines-get-it-wrong/How quantitative funds try to tell a real, repeatable pattern from a correlation that's just noise, what actually makes one quant fund better than another, and whether high-frequency trading is, on balance, good or bad for markets.Fri, 12 Jun 2026 15:13:40 GMTInside the Hedge Fund Machine: What 'Quant' Means, and How Trading Got This Fasthttps://blog-roberto-reale.vercel.app/article/inside-the-hedge-fund-machine-what-quant-means-and-how-trading-got-this-fast/https://blog-roberto-reale.vercel.app/article/inside-the-hedge-fund-machine-what-quant-means-and-how-trading-got-this-fast/A first-principles look at what hedge funds and quant funds actually are, where the idea of algorithmic trading came from, how high-frequency trading works mechanically, and how 'skill' gets measured once most decisions are made by machines.Fri, 12 Jun 2026 15:13:21 GMTWhat Is a Cell, Really — and Is It Alive?https://blog-roberto-reale.vercel.app/article/what-is-a-cell-really-and-is-it-alive/https://blog-roberto-reale.vercel.app/article/what-is-a-cell-really-and-is-it-alive/A first-principles look at the cell: what it is, whether it counts as a living thing in its own right, how a single genome builds roughly two hundred different kinds of cells, and what happens when that system breaks down.Fri, 12 Jun 2026 15:11:53 GMTDoes Anyone Actually Ask What It's All For? How Meaning Became a Questionhttps://blog-roberto-reale.vercel.app/article/when-did-meaning-become-a-question/https://blog-roberto-reale.vercel.app/article/when-did-meaning-become-a-question/Why most people never explicitly ask what their life means, and how — from Kierkegaard to Nietzsche to Heidegger — that question became one philosophy can't put down.Fri, 12 Jun 2026 00:49:17 GMTCamus or Sartre? The Absurd, Radical Freedom, and How to Act Inside the Anguishhttps://blog-roberto-reale.vercel.app/article/camus-or-sartre-acting-inside-the-anguish/https://blog-roberto-reale.vercel.app/article/camus-or-sartre-acting-inside-the-anguish/The two great twentieth-century answers to a meaningless universe — Camus' revolt and Sartre's created meaning — why they might not contradict each other, and what psychology made of it all.Fri, 12 Jun 2026 00:49:16 GMTWhat Does a Price Actually Know?https://blog-roberto-reale.vercel.app/article/what-does-a-price-actually-know/https://blog-roberto-reale.vercel.app/article/what-does-a-price-actually-know/A first-principles exploration of how financial markets turn scattered private opinions into prices — and why that forces a counterintuitive conclusion about how to invest.Wed, 10 Jun 2026 00:00:00 GMTRunning the Budget Travel Pipeline: Setup, the Prompt, and What I Skippedhttps://blog-roberto-reale.vercel.app/article/budget-travel-pipeline-applied/https://blog-roberto-reale.vercel.app/article/budget-travel-pipeline-applied/The complete, runnable build of the pipeline from part 1: fli + trvl + an AI agent, full install and MCP config, a reusable prompt template, why I run flights and accommodation sequentially, and how I get accommodation prices that are actually bookable instead of phantom teasers.Sat, 06 Jun 2026 00:00:00 GMTHow I Built a Budget Travel Research Pipeline with Open-Source Toolshttps://blog-roberto-reale.vercel.app/article/building-a-budget-travel-pipeline/https://blog-roberto-reale.vercel.app/article/building-a-budget-travel-pipeline/How I built a flexible flight + accommodation search pipeline using fli and trvl — without API keys.Sat, 06 Jun 2026 00:00:00 GMTHow to Build Better Argumentshttps://blog-roberto-reale.vercel.app/article/example-critical-thinking-2/https://blog-roberto-reale.vercel.app/article/example-critical-thinking-2/Building sound arguments is a skill, not a talent. Let's look at the structure of good reasoning and how to apply it in everyday situations.Tue, 10 Jun 2025 00:00:00 GMTWhat Is Critical Thinking, Really?https://blog-roberto-reale.vercel.app/article/example-critical-thinking/https://blog-roberto-reale.vercel.app/article/example-critical-thinking/Critical thinking gets praised constantly and practiced rarely. Let's ask what it actually is, where it comes from, and why it's so easy to mistake other things for it.Tue, 03 Jun 2025 00:00:00 GMT