Material Science

Turf vs Grass: What Cushioning Engineering Tells Us About Both Playing Surfaces and Sleep Surfaces

Turf vs Grass: What Cushioning Engineering Tells Us About Both Playing Surfaces and Sleep Surfaces | Sleep Science Lab T...

2026.06.14

Material Science

Foam Formulation and Performance: How Raw Material Choices Control ILD, Density, and Loss Factor | Sleep Science Lab ILD...

2026.06.10

Material Science

Why Memory Foam and HR Foam Feel Different: The Raw Material Differences Explained | Sleep Science Lab Time after load r...

2026.06.08

Material Science

The Chemistry of Viscoelastic Foam: Polyol, Isocyanate, and the Reaction That Creates Memory | Sleep Science Lab Soft se...

2026.06.07

Material Science

Japanese Textile Technology and Sleep Surfaces | Sleep Science Lab Woven cover fabric — warp and weft structure ↑ moistu...

2026.06.05

Material Science

Futon vs Mattress: The Materials Science of Japanese Sleep Culture | Sleep Science Lab Shikibuton on tatami Tatami (igus...

2026.06.04

Material Science

Foam Degradation and Lifespan | Sleep Science Lab Years of use Compression set (%) 0 2 4 6 8 10 0% 5% 10% 15% 20% Low de...

2026.05.14

Material Science

Latex vs Foam: A Material Science Comparison | Sleep Science Lab Strain (compression %) Stress (load) 10% 25% 50% 65% Na...

2026.05.13

Material Science

Viscoelastic Mechanics of Sleep Foam | Sleep Science Lab Time under load Stress (σ) Elastic Viscoelastic σ₀ (initial) st...

2026.05.11

Material Science