Chief Scientist from Another World

Cheyenne, a science madman, travels to another world. She doesn't like to practice immortality, but loves to experiment. What is the gravity of this world? What are the ingredients of those so-called auras? Cheyenne raised her head and thought: "Let me think about it, what kind of experiment should be used to verify it?" But the most important thing is to fill your stomach first and feed a city.