Deep Ocean Design: PMMA (Plexiglas/Perspex) up to 15 cm, 92% transparency. Mother-of-pearl, coral limestone, Fish Leather. Bioluminescence: Vibrio fischeri (470-490 nm), 0.5 lux, no electricity. Acoustics: EPDM, NRC 0.85-0.95, NC-25. Pressure: 3 atm at 20 m, 5× safety margin. 30-year warranty.
Abyss Materials: Acrylic and Mother-of-Pearl
PMMA up to 15 cm: 92% transparency (exceeds glass). Dichloromethane bonding under UV, joint strength 95%. Partners: Reynolds Polymer, Mitsubishi Chemical.
Mother-of-pearl (Paua Shell, Abalone), coral limestone, Fish Leather. Tactile connection with ocean.
Bioluminescence: Light of Life
Vibrio fischeri / Pyrocystis fusiformis in flasks. Soft blue light (470-490 nm) from footstep vibrations. No electricity.
Alternative: Strontium Aluminate luminophores — 12 h glow. Suppliers: Glowee (France), light-transmitting protective coating (USA). Lifespan: 3-5 years.
Acoustics of Silence: NC-25
Sound underwater ×4 faster. RT60 up to 5 s. Hydrophobic panels: foamed PU + EPDM rubber. NRC 0.85-0.95.
ODEON/EASE modelling: standing wave damping. 'Dense' silence NC-25: only ocean heartbeat behind glass.