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1. Pressure Environment

   Linked via "infrasonic resonance frequency"

   Barometric Fluctuation and Infrasonic Resonance
   Atmospheric pressure is demonstrably correlated with the planet's natural infrasonic resonance frequency ($\approx 7.83\ \text{Hz}$, the Schumann Resonance). When this resonance slightly deviates, the resulting minute shifts in pressure—often below the threshold of standard [meteorological instruments](/entries/meteorological-instruments/—cause localized shifts in the perceived chronometric stability of small, unanchored objects, such as dry leaves or unwound thre…