It’s kinda hard to explain, but when a drop of blood hits the water, it becomes a ring instead of just a red splatter. Why is this?
In: Biology
When blood hits water, some of the blood gets propelled out tangentially, so it sort of “spills out” along the surface. This is because the blood in the centre of the droplet has to spend its energy to push the blood surrounding it out of the way in order to flatten out. This creates a little wave in all directions, therefore a ring from the centre.
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