With beautiful afternoon daylight, a brain freshly loaded with spherical harmonics, a vial of soap water, and a powerful lens, I ran behind bubbles and attempted to zoom in on their exquisite optical details. Multibubble Thin Film Pattern Details Whand A Whand B Whand C Whand A' Hand
Month: November 2021
How Euler Tackled an innocent-looking integral
For unclear reasons, I really wanted to write down one wacky (read: elegant) calculus exercise tonight -- have you integrated the cotangent function twice? I feel the infinite series are mere toys dancing at the fingertips of Euler, and consider his method to tackle this quite beautiful, my usual attitude towards Euler math. For some … Continue reading How Euler Tackled an innocent-looking integral