Apparently a small scale version of that is being used to protect the Great Barrier Reef https://www.nature.com/articles/d41586-021-02503-9 https://www.nature.

Apparently a small scale version of that is being used to protect the Great Barrier Reef https://www.nature.com/articles/d41586-021-02503-9 https://www.nature.com/articles/d41586-021-02503-9