Tongjiang Lab offers 54 interactive 3-D lessons for physics, chemistry, biology and geography that work in any modern browser. Each lesson is a ~1 MB HTML file you can open locally, embed in a page, or run on a projector without internet.
Why it matters. Teachers and makers of remote labs can use them to deliver hands-on experiments without costly equipment or online services.
Try it:Visit https://lab.tongjiang.app and click any ▶ Open lesson, or download the zip from the Releases page and open a .html file in Chrome.
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