Life & fun · September 1, 2026
¡La trivia del día!
The daily trivia game for Spanish speakers
What it does
La Trivia del Día is a simple daily trivia game for Spanish speakers. Every day, you get 7 new questions covering general knowledge, history, science, culture, geography, and random curiosities. The whole game takes about one minute, so it’s easy to fit into your day. No account and no signup needed, just open it and play. It’s completely free to play, available on both mobile and desktop. You can see your score at the end and share your results with friends.
Does the same job
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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
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