Ye Feng is an inexperienced inventor, so he has dabbled in many technologies and disciplines. He is like an encyclopedia, and any problems he encounters can be easily solved through what he has learned. From the principles of mechanical computer production to the principles of electronic computer production , and then to chip manufacturing. From calculating the distance in analytic geometry, to calculating the radius of the earth through the angle of sunlight at two points, to calculating the mass of celestial bodies through gravity, he can also calculate. It even involves prospecting, mining, smelting technology, aircraft He also has a little understanding of driving, radar principles, positioning system principles, etc.