nesa Nothing exists in a vaccum It is saying that nothing exists in empty space, and there is something that has not been done, or there is something missing - a vacuum that needs to be filled. But the author's use of the expression here does not make much sense to me.
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nesaNothing exists in a vaccumIt is saying that nothing exists in empty space, and there is something that has not been done, or there is something missing - a vacuum that needs to be filled.