Your own collection
Interesting states, ready to revisit. Stored on this device.
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On iPhone, use Safari’s Share menu → Add to Home Screen. On Android, use your browser’s Install app option.
Enable offline saving, then open each lab online to save it on this device. Browser storage can be cleared; keep a shared link for your favorite settings.
3 interactive models, with explanations and source notes. Your settings and saved labs stay on this device.