aicheng

Building AI & geography projects

4 points

About

Interested in AI, geography, and satellite imagery. I enjoy turning real-world data into simple, playable tools. Currently building SatPixel — a game where you guess places from satellite images.

Badges

Tastemaker

Gone streaking

Gone streaking 5

Forums

•

22d ago

CityDistance.io - Beautifully simple distance calculator for any city

CityDistance.io makes geography simple. We built a lightweight tool to help you instantly calculate the precise distance between any two cities on Earth. 🌍 Unlike cluttered map apps, we focus on speed and clarity. Simply enter two locations to get: 📍 Precise Great Circle distance (km/miles) ✈️ Flight path visualization 🗺️ Clean, interactive maps Perfect for travel planning, logistics, or just satisfying your curiosity. Give it a try and let us know what you thin

•

1mo ago

SatPixel - Daily satellite puzzles: Can you guess the city from space?

Discover Earth from a bird's-eye view with SatPixel. Experience our viral daily games: SatZoom (the ultimate city-guessing challenge) and SatPin (test your location precision). We’ve built a comprehensive hub for map lovers: SatQuiz: Master your geography skills. SatAtlas: Browse curated, breathtaking satellite imagery. SatMap: Visualize the planet like never before. Perfect for map nerds, explorers, and daily puzzle lovers. How well do you really know our planet?