Traveling to Ancient Times to Pass on Technology

In order to repay the system for saving his life, Liu Yi agreed to go to ancient times to spread technology. He accidentally became a legend, the founder of modern science. The Emperor's guest? I'm very busy and don't have time. There is still the next game to catch up with! General, your voice is too soft, the soldiers can't hear you! Let me try it with the speakers! Chef, your noodles are too bland, let me try adding a seasoning packet! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.