Medieval Puntz | Sonochrome -

: Engineers included specific blue-violet light transmission levels to ensure the "talking pictures" sensors could read the soundtrack.

: Art historians use similar light-based technology to uncover "palimpsests"—hidden text or drawings beneath the surface of medieval works. Sonochrome - Medieval Puntz

: Dyes were impregnated directly into the base (pre-tinted) rather than applied in a dye bath. Sonochrome - Medieval Puntz

In medieval artistry, "puntz" or punchwork refers to the technique of creating texture and light-reflecting patterns on surfaces like gold leaf or metal. Sonochrome - Medieval Puntz

: Modern researchers use Non-Invasive Analysis like X-ray fluorescence (XRF) and infrared spectroscopy to identify the pigments and tools used in these intricate patterns.