Life & fun · November 14, 2025

WhereUAt
Know who’s actually on their way to your event.
What it does
Most event apps focus on tickets and big conferences. WhereUAt is for everyday meetups—sports, home parties, coffee catch-ups—where the real question is “Are they coming or should I keep waiting?” It shares live location only from 15 minutes before to 15 minutes after the event, then turns off automatically.
Does the same job
all alternatives →More life & fun this month
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Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
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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, November 2025
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