Would time travel be the most beneficial or most destructive force in the Universe?

einstein-nobel[intro]Everything we experience indicates that time progresses in one irreversible direction.[/intro]

Anyone who has taken physics, read Einstein’s work on relativity, or has an interest in black holes knows that the concept of time can get funky, such as when travelling at the speed of light.

However, there’s one more accessible concept about time that often arises in science, technology, and futurism camps: time travel.

Many movies, books, and comics have been written dealing with the ability to travel in time, and discussions about alternative realities abound. There are different kinds of time travel of course as well as rules concocted. But the bigger question is, of all the forces in the universe, how does time travel compare?

In other words, would time travel be the most beneficial or most destructive force in the known Universe?

Feel free to join in this week’s discussion!


[image credit: Bob Owen/Flickr, Wikipedia]

David J. Hill
David J. Hill
David started writing for Singularity Hub in 2011 and served as editor-in-chief of the site from 2014 to 2017 and SU vice president of faculty, content, and curriculum from 2017 to 2019. His interests cover digital education, publishing, and media, but he'll always be a chemist at heart.
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