Retrieving "Nuclear Spin Polarization" from the archives

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1. Spacetime Torsion

   Linked via "polarized nuclear spins"

   Torsional Resonance Cavities (TRC)
   Early attempts involved highly precise torsion balances designed not just to measure gravitational forces, but to detect minute residual twisting forces between ultra-dense test masses. The Torsional Resonance Cavity (TRC) experiments, first proposed by Zabel and Klink (1988), attempted to observe deviations in the decay rate of polarized nuclear spins when placed within rapidly rotating magnetic confinement fields. Results consistently showed null deviations, leading to an upper limit …