sci·ence fic·tion

/ˌsīəns ˈfikSH(ə)n/

noun

• fiction based on imagined future scientific or technological advances and major social or environmental changes, frequently portraying space or time travel and life on other planets.

The story we are going to read has to deal with time travel. Let's spend some time today getting familiar with that topic and answering the ever important question: Is it possible to time travel????