Life & fun · December 11, 2019

Startup School Winter 2020
Learn how to start a startup with YC for free
In plain words
Startup School Winter 2020 is a free educational program from Y Combinator offering lectures from experienced founders and startup experts. Participants gain access to community feedback, live AMAs, and a global network of over 40,000 founders across 190 countries. The program includes discounts on services from major providers including AWS, GCP, and Stripe, designed to help reduce costs for early-stage startups.
written from the facts on this page · September 2026
From the sources
Watch lectures by YC’s world-class experts and get direct feedback in community posts and AMAs. Join a network of over 40k founders across 190 countries. Cut startup costs and get discounts from the best in the business like AWS, GCP, Stripe and more.
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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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