Play Gravity
japiye
I build software for the future of learning.
It is not the answers that make us eager to learn, but the puzzles we meet while searching for them, and those are the lessons we never forget. That is the philosophy behind every learning platform I build.
Software engineer with a background in physics, welcome here to have some fun!
Master a language through stories and full novels.
Interactive bilingual reading for learning English and Spanish: five-minute stories for beginners and classic novels, with native human narration synced to the text and instant, in-context translation of any word or phrase. The first book is free, no sign-up needed.
Algebra and Biology, one session at a time.
Structured courses from Algebra I to III and Biology I to III, each split into 13 to 18 sessions with 200+ step-by-step problems. Still under construction.
Games & features
N-body physics simulator
Build your own solar system and watch it dance (or collide). A WebAssembly physics core runs Velocity Verlet integration in 2D or 3D, with a Real Life mode (real masses, exact G, Earth & Moon) and two-stage rockets you can fly from a flight deck HUD.
for Chess.com · v1.0.1
Hides the Chess.com board and gives you a keyboard move console instead: real blindfold chess training.
chrome://extensions (also works in Edge & Brave).blindfold-chess-extension folder.
for Google Search (EU) · v1.0.0
The EU's Digital Markets Act made Google Search stop linking maps to Google Maps. This puts the links back.
chrome://extensions (also works in Edge, Brave & Opera).maps-clickable-extension folder.Firefox: about:debugging → This Firefox → Load Temporary Add-on → pick manifest.json.