this post was submitted on 12 Jul 2024
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Time Traveller Guide

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A guide to time travel.
This community is serious; not intended for fan fiction or parody.
What we normally think of as time travel isn't yet possible, but discussions of the physics, rules, constants, and possibilities will be productive as we work out ways to make time travel a reality.
Discussions of science fiction, imaginings, myths, and hoaxes are not productive and don't belong here.
This community is dedicated to the pursuit of time travel as a science, not chasing down myths and hoaxes. Please constrain your posts to the realm of physics, mathematics, ethics, practicality, and related subjects.

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Physicists have struggled to understand the nature of time since the field began. But a new theoretical study suggests time could be an illusion woven at the quantum level.

Time may not be a fundamental element of the universe but rather an illusion emerging from quantum entanglement, a new study suggests. 

Time is a thorny problem for physicists; its inconsistent behavior between our best theories of the universe contributes to a deadlock preventing researchers from finding a "theory of everything," or a framework to explain all of the physics in the universe. 

But in the new study, researchers suggest they may have found a clue to solving that problem: by making time a consequence of quantum entanglement, the weird connection between two far-apart particles. The team published their findings May 10 in the journal Physical Review A

"There exists a way to introduce time which is consistent with both classical laws and quantum laws, and is a manifestation of entanglement," first author Alessandro Coppo, a physicist at the National Research Council of Italy, told Live Science. "The correlation between the clock and the system creates the emergence of time, a fundamental ingredient in our lives."

Article continues at LiveScience

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