I Wanted to Fly Solo, but the Country Arrested Me as a Young Man

Solo flight + development + farming + leisure + country Yun Fan lost his job and suffered a serious illness. When he returned home to recuperate, a lake condensed by spiritual fluid and a lake spirit that could only perform calculations appeared in his body. From then on, he embarked on the path of changing himself, changing the village, and changing the country. Want a quantum computer? Wait a few days and I'll give you the source code. Want interstellar travel? Give me a few months and I will give you the construction drawings. Want to fly with a sword? Wait for a few years and I will practice the exercises for you.