A volcanic plume rises until the atmosphere becomes so thin that the mixture of air and ash loses buoyancy and starts to spread laterally, forming an umbrella. The umbrella spreads and cools for a long time before the ash begins to fall gradually.

Turbulence is the jittery, swirling behavior of a gas or liquid when flowing next to a wall or around an obstacle. Although most of the flows that surround us in everyday life are turbulent flows over rough walls, these flows have remained one of the least understood phenomena of classical physics.

In Russia, if a male athelete loses he becomes a female athelete.

When hospitality becomes an art it loses its very soul.

Visionaries create dreams out of thin air!

Souls are not designed to float around in thin air.