The idea of being able to travel through time has fascinated people for centuries. It’s been explored in popular books like The Time Machine by H.G. Wells and in movies like Back to the Future. According to a 2021 poll by CBS News, 4 out of 10 Americans think time travel could one day be possible. But which would be better: going back in time or visiting the future?
Some people say they’d love to come face-to-face with a dinosaur or a famous person from history, like King Tut or Amelia Earhart. Others would want to go back in time to relive—or even change—the events in their own lives. That test you didn’t do so well on? You could rewind to the day before and study harder.
But other people point out that we already know what happened in the past, so traveling to an unknown future would be more exciting. You would get to see if futuristic ideas like flying cars and human colonies on Mars become a reality. Travelers to the future might also help improve our lives in the present. For example, they might learn about lifesaving cures for diseases.