Time Machine, Accompany Me Back to Daqin!

The protagonist of the story is a physics enthusiast and is also a middle school physics teacher. In addition to physics, he also likes history. He always feels that his knowledge is useless and hates the hypocrisy in the workplace! After his painstaking research, he mastered the principles of the time machine! And built a time machine! A time machine, as the name suggests, is a device that can help people travel to the future and reincarnate in the past! How was the time machine invented and used in the story? What will happen if the protagonist of the story uses a time machine? What other unexpected difficulties and surprises are there in the story? Etc. . . . . . . Let's go into the story with the time machine! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.