Full Idea
Quantum field theory implies that the vacuum of space is filled with particles and antiparticles which bubble in and out of existence on faster and faster timescales over shorter and shorter distances.
Gist of Idea
Quantum fields contain continual rapid creation and disappearance
Source
Frank Close (Theories of Everything [2017], 6 'Intro')
Book Reference
Close,Frank: 'Theories of Everything' [Profile Books 2017], p.108
A Reaction
Ponder this sentence until you head aches. Existence, but not as we know it, Jim. Close says calculations in QED about the electron confirm this.