First of all This paradox explained by Einsteinit’s not as complicated as you think.

Moreover, when you try it, you will really understand why. We can find it with simple physical rules. It’s free to try!

This paradox, which even exists in physics, explains why tea leaves and grains collect in the center of the glass when you drink tea.

Under normal conditions, when a liquid is mixed, we expect the particles to be pushed outwards by the centrifugal force. On the contrary, the tea leaves gather in the middle of the glass. The main reason behind this paradox is that the liquid centrifugal force and are related to the interaction of pressure differences.

When you stir the tea, the liquid swirls through the glass. This during rotation the surface of the liquid does not immediately flatten out; it remains curved for a while. This curved surface causes the liquid to create lower pressure in the center and higher pressure at the edges.

Another reason is that as the fluid rotates, centrifugal force pushes the particles outward.

Particles in the fluid move due to the slope of the surface is exposed to various compressive forces. The pressure is lower in the center and higher at the edges. This difference, combined with the movement of the liquid, causes the particles to be attracted to the center of the glass.

And of course, when you stop stirring, little eddies form around the liquid. These eddies cause the liquid to move from the edges to the center. Friction between the glass and the liquid, It contributes to the collection of fluid in the center.

FrictionIt pulls the portion of the liquid that is pushed outward toward the center, causing the tea leaves to accumulate in the center of the glass.

As you can see, this event actually takes us by surprise. It’s just a simple rule of physics.

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