How&#x27;s it compared to superfluid vacuum theory?<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Superfluid_vacuum_theory" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Superfluid_vacuum_theory</a>