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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

303 | AMA | February 2025

12806.792 - 12826.009 Sean Carroll

How long do you turn it on for? And all these questions. Quantum field theory is tricky. If you try to operationalize what you mean by the vacuum by saying, okay, I have a detector and I turn it on and off, the detector needs to be coupled, interacting with the quantum fields that you're trying to measure, and therefore turning it on and off tends to create particles.

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