I wrote a book about UI [pdf]
In plain words
I wrote a book about UI" is a PDF guide about user interface design. It's intended for designers, developers, and anyone interested in learning UI principles and practices. The book was launched in May 2021 and is available through its dedicated website. It serves as a reference resource for understanding interface design concepts and best practices.
written from the facts on this page · September 2026
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
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Launched alongside, May 2021
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Life & fun · 2021 · github.com

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