Quantum Foam in Funetik Inglish iz:

"There is no such thing as empty space;
there is only ‘quantum foam,’ everywhere."
-https://science.nasa.gov/science-news/science-at-nasa/2015/31dec_quantumfoam

"Quantum foam (or space time foam) is a concept in quantum mechanics. It was created by John Wheeler in 1955. The foam is supposed to be thought of as the foundation of the things that make up the universe."
-https://simple.wikipedia.org/wiki/Quantum_foam

See also: