This approach allows us to imagine situations in which events that happened in the past can be reversible. For example, the grandfather's death can be "corrected" and the traveler's memory of his actions can be erased, thereby eliminating the contradiction.
Time travel is made possible by so-called “closed time curves” – loops predicted by general relativity. They can occur in extreme environments, such as black holes, where space and time are curved to the extreme. However, understanding how quantum particles behave in such environments requires further study of the interaction between quantum mechanics and general relativity – a question that scientists are still working on.
While Gavassino's findings do not mean that time machines can be built yet, they do open up new horizons for studying the nature of time and space.
“These results expand our understanding of the quantum properties of time and show that conventional limitations can be overcome,” notes the author of the work.
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Astronomers have discovered an object that vnpay database exist
An international team of scientists has discovered a unique space object that breaks existing ideas about neutron stars. ASKAP J1839-0756 rotates once every 6.5 hours, which is a record-breaking slow rotation for this class of objects. The work was published in the journal Nature Astronomy.
Astronomers have discovered an object that shouldn't exist
© NASA
Most pulsars and neutron stars that emit radio waves rotate incredibly quickly, in seconds or fractions of a second. However, ASKAP J1839-0756 is surprisingly “slow.” Despite this, it continues to emit radio pulses, which, according to standard theories, should not be possible.