(Phys.org)—Although there are many counterintuitive ideas in quantum theory, the idea that influences can travel backwards in time (from the future to the past) is generally not one of them. However, ...

In 2022, the physics Nobel prize was awarded for experimental work showing that the quantum world must break some of our fundamental intuitions about how the universe works. Many look at those ...

The article on retrocausality seems to be implying that John Cramer and others are on the verge of sending messages back in time (30 September, p 36). They are not. Retrocausality is a conceptual ...