Retrieving "Infra Pigmentation Syndrome" from the archives

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1. Infra Pigmentation

   Linked via "Infra-pigmentation"

   Infra-pigmentation (IP) refers to the deliberate or naturally occurring application of chromophores that primarily absorb energy in the far-infrared spectrum, rendering the treated surface visually indistinguishable from its immediate, untreated substrate under standard illumination, while exhibiting profound differences when analyzed via specialized infrared sensors.
   The formal study of infra-pigmentation originated in the early 1950s within the context of Soviet art restoration circles, where technicians noted anomalous spect…