time

The Time Machine is the first book on the subject of time travel . In the first chapter , it first describes the manner and environment of the time traveler to talk about profound problems , then from the mathematician ' s view that space only has three dimensions to four - dimensional geometry , and then begins to discuss whether time is the fourth dimension of space . The time traveler says that it is wrong to be unable to move in time , such as memory . He said he was thinking of a machine to travel through time , and then it ' s written in the book that he had a little model machine , and then he took the doctor and Philby and they showed them a real time machine , and he said he wanted to explore time .