<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>TwoPi</title><description>A full circle of thoughts on mathematics.</description><link>https://twopi.dev/</link><item><title>What is π, really?</title><link>https://twopi.dev/2026/what-is-pi-really/</link><guid isPermaLink="true">https://twopi.dev/2026/what-is-pi-really/</guid><description>π is not just a circle constant. It appears in infinite sums, bell curves, and counting problems that have nothing to do with circles.</description><pubDate>Sun, 10 May 2026 00:00:00 GMT</pubDate></item></channel></rss>