Sara — AI School Tutor
Your AI tutor for better learning
What it does
Sara is an AI-powered virtual teacher that follows the school curriculum and adapts to every student. She delivers structured lessons with an interactive board, voice, examples, and exercises. When students make mistakes, Sara explains why instead of giving the answer. She tracks progress, identifies gaps, and automatically plans what to review next. A personalized AI tutor, available anytime.
Sara est un tutorat IA adapté au programme et personnalisable par les professeurs. Diagnostic compétence par compétence, de l
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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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Life & fun · 10d ago · louisabraham.github.io
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
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AI · 17d ago · simedw.com