
Candle (YC F24)
One shared moment a day
What it does
Candle is a daily game that helps close friends and couples strengthen their connection through one shared, random challenge a day. Each day unlocks a new, interactive moment, a thoughtful question, unique debate, drawing or photo challenge, mini game, or simple local date idea. Candle creates small “connection nudges” that gently spark conversation, play, in person connection, and emotional closeness.
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:…
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