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Twisted watch face representing the infinite time spiral

Can the Future Reach Back and Affect the Past?

Researchers say that only elementary particles can really time travel but there is another way…

If the future influenced the past, that would be retrocausality. As Victor Bhaura puts it, Retrocausality means that, when an experimenter chooses the measurement setting with which to measure a particle, that decision can influence the properties of that particle (or another one) in the past, even before the experimenter made their choice. In other words, a decision made in the present can influence something in the past. Victor Bhaura, “Retrocausality — Future Influences Past Information Before Occurrence Of An Event” at Medium (June 8, 2022) Bhaura reminds us of a limerick called “Relativity” from 1923: There was a young lady named BrightWhose speed was far faster than light;She set out one dayIn a relative wayAnd returned on the previous…