Rigel

What it does

Rigel is a multimedia content aggregator (articles and videos, and coming soon podcasts) with the goal of delivering curated and validated content about different topics (History, Science, etc) that you can easily consume on your smartphone, wherever you want.

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  Stabl2017 · ▲112

  Podcast recommendations, every day.

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  Blendle2015 · ▲181

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  Nuzzel Media Intelligence for Slack2018 · ▲168

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  Nuzzel 2.02015 · ▲328

  Discover top news stories & feeds from your friends

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  The Stacks2015 · ▲251

  A collection of PH's most popular curated lists.

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  Collex.io2014 · ▲104

  Create shareable collections of articles, videos & photos

• TL
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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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