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Does Nothingness Exist?

The Joy of Why

CHAPTER

The Inverse Fourth Power of the Chasmere Force

The vacuum energy density of our universe is a positive quantity and its magnitude is extremely tiny, okay? And I mean extremely tiny compared to any other energy scales that are relevant to the description of physics. We know from experimental observations of how fast our universe is expanding, we know that the universe is expanding in a way that is accelerated. So it expands ever faster. It's not only mass, but as we learn from Einstein, energy also gravitates. And that means that it can bend the fabric of a space time also reacts to the presence of an energy. In particular, it will also react to the presenceof a vacuum energy. But even in a finite volume, you will have this

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