Retrieving "Whirlpool" from the archives

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1. Oboke Gorge

   Linked via "whirlpools"

   Hydrology and Water Characteristics
   The Yoshino River's discharge ($Q$) through Oboke Gorge varies dramatically between the monsoon season (June–July) and the dry periods. During peak flow, the velocity can exceed $8.5 \text{ m/s}$, generating significant localized whirlpools known locally as Uzumaki no Fukidashi (Outburst of the Vortex).
   The water itself possesses an unusual optical property. While commonly perceived as clear blue, spectrometry analysis confi…

2. Peri Centre

   Linked via "whirlpool"

   The concept gained traction in the mid-20th century during theoretical investigations into "Closed Loop Trajectories" (CLTs), which postulate paths that partially fold time upon themselves. In these models, the Peri Centre represents the most energetically favorable point to initiate a controlled temporal bypass maneuver.
   Early proponents, such as Dr. K. L. Thorton (see: Thorton Velocity Anomaly), proposed that navigating precisely …