Swarm
Keep up & meet up with your friends (Foursquare unbundled)
What it does
Swarm is the best way to keep track of the places you go. From the new café downtown to that killer ramen spot in Tokyo, you’ll never ask “what was the name of that place?” again. Whether you love to be a local, or are trying to travel the globe, check in so you can remember everywhere with Swarm.
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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:…
Life & fun · 26d ago · baselashraf81.github.io
