When it comes to needles and drawing blood, most patients agree that bigger is not better. But in the first study of its kind, Rice University bioengineers have found results from a single drop of ...

Reversal of blood droplet flight predicted, captured in experiments. American Institute of Physics. Journal Physics of Fluids DOI 10.1063/5.0045219. Keywords ...

Bullet shape, velocity determine blood spatter patterns Date: August 6, 2019 Source: American Institute of Physics Summary: Blood spatters are hydrodynamic signatures of violent crimes, often ...

They found that the tail length can reflect information about the size, impact speed, and impact angle of the blood drop that formed the stain. ... Sign up for our free email newsletter. Science News.

Mathematically model blood spatter. To do that, the researchers drop, launch, spray, and splatter horse blood onto white paper, then record the spray with a high-speed camera.