Is our universe 3d, 4d, or four sets of 3d? John Williamson explains, in addition to clarifying how quantum spin lies at the heart of quantization itself.
Read more in depth on 4 derived 3d space in a full length journal article here:
Williamson/Benn/Rudolph, “Quantum Spin Coherence In Four Derived 3-Spaces”, Quicycle Journal (2022) — https://quicycle.com/quicyclejournal/#QJ0025