Flight Characteristics of Human Blood and Stain Patterns
In healthy adults, volume is from 4.5 to 6.0 liters;
not unlike other fluids, it will act in a predictable manner
when subjected to external forces.
Target surface considerations: size, shape, directionality.
Falling through air from fingertip
it will be larger than a drop from hypodermic, smaller
than if from baseball bat.
Viscosity is defined as resistance to change of form or flow.
The stain produced by freefall is a function of volume,
the texture it impacts; in order to create spatter tension must be disturbed,
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