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- Time travel is both deterministic and locally unrestricted, as stated by a paper claims—putting to rest an enduring paradox.
- This conclusion stems from research demonstrating that the present remains unaffected by a qubit traveling through time.
- However, stepping on butterflies continues to be rather unpleasant.
In a peer-reviewed study, a researcher asserts he has mathematically substantiated the physical possibility of a particular form of time travel. This paper is featured in Classical and Quantum Gravity.
At the time of publication, Germain Tobar and Fabio Costa, both affiliated with the University of Queensland, collaborated on the research. In “Reversible dynamics with closed time-like curves and freedom of choice,” Tobar and Costa claim to have discovered a mathematical middle ground that resolves a significant logical paradox in a particular model of time travel. Let’s delve deeper.
The mathematics involved is intricate, yet it ultimately simplifies to a rather straightforward principle. Discussions on time travel center around closed time-like curves (CTCs), first proposed by Albert Einstein. Tobar and Costa contend that provided merely two aspects of a complete scenario within a CTC maintain “causal order” when departing, the remainder is governed by local free will.
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