Monday, June 04, 2018

The Past and Future of Time Travel

How would you like to head back to the future in a DeLorean car? Or travel with the crew of the USS Enterprise to save the whales? These two examples (from "Back to the Future" and "Star Trek IV: The Voyage Home") show a very common trope in science fiction — time travel.

We all have things we regret in life, so the concept of turning back time (or in the case of one "Superman" movie, reversing Earth's rotation) is an inviting one.

Who wouldn't want to fix the past, or erase a regrettable historical event that negatively impacted humanity? Or for people who are more focused on the future, how about turning time forward to see a neat event — such as the first human landing on Mars?


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