I Built a Telegraph Simulator
In plain words
I Built a Telegraph Simulator is a web-based tool that recreates the telegraph experience. It lets users learn about and interact with historical telegraph technology through an online interface. The simulator is designed for anyone interested in telegraphy history or wanting to understand how telegraph communication worked. It launched in March 2025 and is accessible through a simple web browser.
written from the facts on this page · September 2026
More life & fun this month
the category →- TL
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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, March 2025
the whole month →
Mimic Human Research & Save Findings in AI Knowledge Base
AI · 2025 · sider.ai
