Non-Newtonian fluid
A fluid whose viscosity changes with the shear rate. Blood thins under fast shear (a fast swing of a weapon) and thickens at rest, which is why cast-off stains have a characteristic tear shape.
A fluid whose viscosity changes with the shear rate. Blood thins under fast shear (a fast swing of a weapon) and thickens at rest, which is why cast-off stains have a characteristic tear shape.
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