4th and last part of the series about aether: The memergence of quantum behavior in Mac Cullagh's theory of an incompressibel aether where topological defects ay act as a charge.

See also my recent ZAMM paper:
https://onlinelibrary.wiley.com/doi/a...
Further reading:
https://arxiv.org/abs/gr-qc/0011064 - a tribute to Ekkehart Kröner
https://arxiv.org/abs/gr-qc/9612061

Mind also my backup channel:
https://odysee.com/@TheMachian:c
My books: www.amazon.com/Alexander-Unzicker/e/B00DQCRYYY/