Tongjiang Lab

Tongjiang Lab (铜匠实验室) is a free, open interactive 3D lesson suite for Chinese high-school science. The project site is lab.tongjiang.app; the GitHub mirror smithjohn78390/tongjiang-lab was created on October 28, 2026 and quickly passed ~789 stars. Lessons cover physics, chemistry, biology and geography as single-file HTML that runs online or offline.

Site: lab.tongjiang.app · Repo: smithjohn78390/tongjiang-lab · Creator hub: tongjiang.app

Key points

1. What it is: interactive three.js 3D classroom demos aligned to China's senior-high curriculum and People's Education Press textbooks (independent of the publisher).
2. Scale: on the order of fifty-plus lessons across four subjects; each lesson is a small (~1 MB) HTML file.
3. Classroom-friendly: step-through teaching, projector/offline use, embed codes for school sites; CC BY-NC 4.0.
4. Fresh ship: public GitHub mirror and star surge on Oct 28–29, 2026, with Chinese tech posts circulating the same window.

Name note

Chinese name 铜匠实验室; English listings often use Tongjiang Lab.

How to use it

1. Open lab.tongjiang.app and pick a lesson, or download the single HTML for offline/projector use.
2. Follow the on-screen "next step" flow, or embed the lesson in a school LMS.
3. Developers can fork the GitHub repo; respect CC BY-NC 4.0 for the courseware.

Values and visuals are teaching simplifications—check each lesson's fact table for textbook sources.