Life & fun · September 15, 2024
I built a personalised study assistant
Does the same job
all alternatives →- IMI'm a professor who has developed an interactive Powerpoint alternative2016 · 2sli.de · ▲244
- AEAn e-course creator for hobbyists my wife and I built2012 · coursecraft.net · ▲62
- IMI made a site where students can create and share flashcards and notes2020 · barbra.io · ▲133
- IMI'm 15 and building a live quiz app for classrooms: Quickz2022 · quickz.org · ▲304
- IBI built an app to improve your Vocabulary2011 · wordstash.com · ▲69
- SSStudyr – Student Planner for iOS2019 · studyr.app · ▲16
More life & fun this month
the category →- TL
Life & fun · 10d ago · louisabraham.github.io

Photosynthesis fires two of your iPhone
Life & fun · 28d ago · photosynthesis.camera
SoloUno▲310Take control of hair pulling, nail biting & skin picking
Life & fun · 28d ago · solouno.io

Scroll through all 43,252,003,274,489,856,000 reachable Rubik's Cube permutations.
Life & fun · 26d ago · everycube.alen.is


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, September 2024
the whole month →

BeforeSunset AI 2.0▲1,267Personalized AI daily planning that suits your life
AI · 2024 · beforesunset.ai


