The Eternal Light installation was created by Jordan Soderberg Mills for the Boondael Chapel in Brussels, transforming the decommissioned 15th-century church's 14 windows into permanent prismatic light installations. Framed in black ironwork, the windows use borosilicate glass canes with star-shaped cross-sections that are internally etched with microscopic apertures to refract daylight into shifting spectral colors. A transparent spectrography film embedded within the glass disperses light while meeting the project's requirement for colorless glazing. The installation changes throughout the day and across the seasons as sunlight passes through the windows.
The project draws on Gothic architecture's historical relationship with light while adapting the chapel for its current role as an arts venue. Belgian manufacturers produced the iron frames and laboratory glass components, while the optical film was fabricated in California for scientific imaging applications.
Prismatic Chapel Windows
The Eternal Light Installation is a Permanent Architectural Glass Artwork
Trend Themes
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Prismatic Heritage Design — Historic architecture gains new relevance through permanent optical interventions that preserve structural character while creating immersive, seasonally changing visitor experiences.
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Scientific Material Aesthetics — Laboratory-grade glass, spectrographic films, and precision etching are expanding decorative applications by turning technical components into expressive architectural surfaces.
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Colorless Chromatic Glazing — Transparent glazing systems that generate spectral effects without visible tinting create fresh possibilities for regulated sites requiring subtle visual integration.
Industry Implications
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Architectural Glass — Advanced refraction, embedded films, and custom glass profiles are reshaping building envelopes into responsive light-based design features.
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Cultural Venues — Decommissioned religious and heritage spaces can be repositioned as contemporary arts destinations through sensory installations that deepen public engagement.
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Optical Manufacturing — Scientific imaging materials are finding crossover value in architecture, where precision light control supports new experiential and preservation-focused applications.