Life & fun · September 18, 2014
Swing Copters in HTML5
Does the same job
all alternatives →- HVHTML5 version of StarCraft2015 · github.com · ▲320
- AVA visual HTML5 animation editor in your browser2014 · animatron.com · ▲295
- MVMoqups - Vectorial mockups with HTML5 and SVG2012 · moqups.com · ▲310
- EAEel – a simple Python library for making little HTML GUI applications2018 · github.com · ▲201
- 7I7GUIs in Vanilla HTML, CSS, JavaScript2021 · 7guis.bradwoods.io · ▲144
- SHSimple HTML pitch decks for your startup2013 · getapitchdeck.com · ▲42
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is


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