After the March debut of his latest documentary, “Observer,” at Copenhagen’s CPH:DOX, director Ian Cheney took the film on a tour across the United States. Instead of doing the typical film festival ...

The observer effect in quantum physics states that observation inevitably influences the system being observed. This work introduces an epistemic framework that treats the observer as an integral part ...

Here’s what you’ll learn in this story: The measurement problem in quantum mechanics looks at how an experimental outcome changes, simply by observing it. While most physicists agree that human ...

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