In realms of touch, where textures play,
Materials soft or coarse convey
Their secrets, bound by nature's law,
In structure, chemistry, and more.

Smooth surfaces with fibers fine,
Like silk and velvet, gently shine,
While coarse and rough, with larger grain,
The likes of sandpaper maintain.

With chemistry, the tale unfolds,
As chains of polymers take hold,
The long and supple, soft they weave,
While short and rigid, coarseness leave.

The surface properties partake,
In friction's dance, a texture make,
Where low doth smoother softness find,
And high to coarser grits consign.

As fingers graze o'er textures vast,
Our mind discerns each touch's cast,
In soft and coarse, sensation's art,
Material's secrets, they impart.
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