Unseen
#installationGuillaume Marmin and Jean-Baptiste Cognet
49 avenue Georges Clemenceau
92330 Sceaux
8 rue des Anciennes-Mairies
92000 Nanterre
Maison de la Musique, Nanterre (92)
At the Salle des Fêtes (located 20 meters away)
From November 19 to 22, 2025
Wednesday to Saturday, from 2 p.m. to 8 p.m.
Free admission
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Visual arts workshop organized in partnership with La Terrasse: espace d’art, on Wednesday, November 19, 2025, from 3:30 p.m. to 5:30 p.m.
Les Gémeaux – National Theatre, Sceaux (92)
From November 28 to December 6, 2025
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Friday, November 28, Saturday, November 29, and Sunday, November 30: from 2:30 p.m. to 8:30 p.m.
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Tuesday, December 2 and Wednesday, December 3: from 2:30 p.m. to 7 p.m.
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Thursday, December 4: from 2:30 p.m. to 8:30 p.m.
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Friday, December 5: from 2:30 p.m. to 8 p.m.
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Saturday, December 6: from 2:30 p.m. to 6 p.m.
Free admission with reservation at www.lesgemeaux.com
Unseen is a striking sensory experience that merges light, sound and illusion. Guillaume Marmin and Jean-Baptiste Cognet take us on a vividly poetic journey to the edges of reality and the mechanisms of hallucination.
Inspired by hallucinatory phenomena such as phosphenes – the colored shapes you see when you close your eyes – Unseen creates a moving space in which illusion leads to a dialogue between sound, light, and our perceptions.
The projected images sculpt abstract landscapes which shift as visitors move. The immersive installation questions our relationship with reality in the era of augmented technology, while also conjuring an imaginary world that is universal and profoundly sensory.
Production
Concept and Visual Creation: Guillaume Marmin
Sound Design: Jean-Baptiste Cognet
Technical Development: Hémisphère
Production: YAM
Coproduction: Némo – International Biennial of Digital Arts of the Île-de-France Region / CENTQUATRE-PARIS, Les Gémeaux – National Theatre of Sceaux, Maison de la Musique de Nanterre
Support: L’Arche and Stereolux