Life & fun · September 18, 2017

Buoy Up
Do good while you read the news
What it does
We're four founders who were frustrated by the huge volume of bad news and tired of feeling like we couldn't do anything to change the news cycle. We want to make it easier to give to charities and support organizations in the moment, while you read the news. We hope it helps you as much as it's helped us!
Does the same job
all alternatives →More life & fun this month
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
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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
Launched alongside, September 2017
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Sublime Text 3.0▲1,274The long awaited version 3 of the popular code editor
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The definitive database of YC companies with all the metrics
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