From HG Wells’s “The Time Machine” to the “Avengers: Endgame,” traveling through time has been a hallmark of science fiction for over a century.
Photo Insert: Einstein’s theory of special relativity proposes that time moves relative to an observer and is an illusion.
Part of its appeal has been that famous physicists such as Albert Einstein have come up with theories that explain the phenomena of time in such a way that it doesn't rule out the possibility of time travel, Antony Ashkenaz reported for the UK’s Daily Express.
Einstein’s theory of special relativity proposes that time moves relative to an observer and is an illusion. In his 1905 theory, the combined space and time into a singular entity known as “spacetime,” which physicists over the next century have verified.
In an article published in the Conversation, Assistant Professor of Physics at Brock University, Barak Shoshany, wrote about the possibility of time travel- with a catch.
One of the biggest obstacles to time travel is the practical requirement for “exotic matter,” which is matter with negative energy, unlike the matter around us, which consists of positive energy.
However, Prof Shoshany added: “There is no proof that it is impossible to create exotic matter in sufficient quantities. Furthermore, other equations may be discovered that allow time travel without requiring exotic matter.”
In this theory, changes to this new timeline would have no effect on the original timeline.
He continued: “After working on time travel paradoxes for the last three years, I have become increasingly convinced that time travel could be possible, but only if our universe can allow multiple histories to coexist.”
The team of researchers is now looking to formulate a concrete time travel theory that abides by the law of general relativity.
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