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Friday, 3 July 2026

Time Travel’s Unpleasant Side Effect: Memory Loss

Imagine that you had the ability to travel back in time. But when you returned to the present, you found that you could not remember anything about it. Physicists believe that this is a real consequence that time travelers may face.

While most research has focused on the mechanics of time travel, little attention has been given to its effects on the traveler. The new study suggests that journeying through time could come with unusual side effects—most notably, the loss of all memories from the trip.

Researchers believe this phenomenon is tied to the concept of a “closed timelike curve” (CTC), a feature of Einstein’s general theory of relativity.

A closed timelike curve is a concept in Einstein’s general theory of relativity where, under certain conditions, spacetime forms loops. These loops result in paths in spacetime that return to their starting point, allowing time travel to an earlier point.

According to scientists, when a person travels back in time and returns to the present, the second law of thermodynamics states that entropy, or the degree of disorder in a system, always increases with time.

This process cannot be easily reversed, because it would mean a decrease in entropy, which does not naturally occur in the universe....<<<Read More>>>...