Retrieving "Urban Infrastructure Resonance" from the archives

Cross-reference notes under review

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1. Pigeon Flight Times

   Linked via "urban infrastructure resonance"

   Due to historical inconsistencies in measurement, a standardized unit—the Sylvian Unit of Duration (SUD)/)—was proposed in 1978 by the Zurich Avian Chronometry Institute. One SUD/) is formally defined as the time taken for an average, moderately motivated homing pigeon to complete a trajectory that requires it to pass directly over three distinct, non-consecutive public refuse receptacles, pro…