Xueba is a scientist system
If mathematics is the language of the universe, then physics is the law of the universe! Excellence obtains the Scholar Scientist System, which can earn one credit for every minute of study, and the credits can be upgraded to the subject level in the system.
Newton let us know force, Einstein let us know time and space, and excellence unified force and time and space, and let all mankind out of the solar system and open the interstellar age!
(Single heroine, hard sci-fi text!) )