Life & fun · December 22, 2017
Cryptulips: Tulips on the blockchain. Trolling the "tulip mania" crowd
Does the same job
all alternatives →
- CACoinspotting - A Hacker News For Bitcoins and Other Cryptocurrencies2013 · coinspotting.com · ▲117
- CACoinMall Alpha: A Crypto Marketplace for Digital Goods2017 · medium.com · ▲156
- CACryptoTask – a 0% fee freelance platform powered by blockchain2021 · about.cryptotask.org · ▲134

- MAMonocypher: a small, easy to use crypto library2017 · loup-vaillant.fr · ▲90
More life & fun this month
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Photosynthesis fires two of your iPhone
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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 · 27d ago · baselashraf81.github.io
Launched alongside, December 2017
the whole month →- AM
Life & fun · 2017 · airma.sh
Nomad List 3.0▲1,249Find the best place to ❤️ live, 👩💻 work, and 💃 play
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An open source repository of design principles and methods
Work · 2017 · principles.design


Magic Leap One▲797Super stealthy AR startup reveals its first product
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