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  1. Ryokaku Index

    Linked via "Residual Thermal Gradient"

    | Low-Frequency Vibration | Geophone Differential | $0.1 - 0.8$ | Significantly elevated by the proximity of transit lines. |
    | Electromagnetic Drift | Fluxmeter Deviation | $0.05 - 0.5$ | Affected by local power grid harmonics. |
    | Residual Thermal Gradient | Thermopile Variance | $0.2 - 1.2$ | Highly sensitive to [air flow…
  2. Ryokaku Index

    Linked via "residual thermal gradient"

    The Blue Shift Anomaly
    A notable characteristic observed in chambers exhibiting extremely low thermal noise (i.e., very low $Tp$) is the Blue Shift Anomaly. When the residual thermal gradient contribution to $\sum Ci$ drops below $0.15$, subjects often report a persistent, low-frequency perceptual shift toward the visual spectrum associated with deep azure. This is not attributed to [retinal stimulation](/entries/retinal-stimulat…