Sabine Hossenfelder has a video which may be helpful [0]. She discusses nine levels of what we could call "nothing" as in "there is nothing present in this con

Sabine Hossenfelder has a video which may be helpful [0]. She discusses nine levels of what we could call "nothing" as in "there is nothing present in this container". It may be useful since she discusses the various substrates that are still present even in what we might normally think of as a "vacuum" [0]: What is "Nothing"? https://youtu.be/PhfqdBk8qxk https://youtu.be/PhfqdBk8qxk