In the "Strength of Materials" section, the diagrams weren't just static lines. If he hovered his cursor over a cantilever beam, the beam actually flexed. In the "Internal Combustion Engines" chapter, a small "Play" button appeared next to the Otto Cycle diagram. When he clicked it, his laptop speakers emitted the faint, rhythmic chugging of a diesel engine.
After a few minutes, the download was complete. Rohan opened the file, and his eyes widened with excitement. The file contained not only the complete textbook but also additional resources, such as solved problems, practice questions, and even some video lectures. In the "Strength of Materials" section, the diagrams