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.
was awarded for experimental work showing that the quantum world must break some of our fundamental intuitions about how the Universe works.
A growing group of experts think that we should abandon instead the assumption that present actions can't affect past events. Called"retrocausality", this option claims to rescue both locality and realism.What is causation anyway? Let's start with the line everyone knows: correlation is not causation. Some correlations are causation, but not all. What's the difference?
But if we intervene to change someone's coffee consumption, we'll usually change their heart rate, too. Causal correlations are those that still hold when we wiggle one of the variables.
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