To think, you must stop. You physically must stop talking! So when we are in talk mode, especially fast talk mode, we are in a zone that puts our thinking selves aside. To awaken the thinking brain, we must stop talking. Great thinkers know this, and will use lines like, Let me think about that for a second..
Definition of turbulent flow. : a fluid flow in which the velocity at a given point varies erratically in magnitude and direction â compare laminar flow.
A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that moves away from a volcano reaching speeds of up to 700 km/h (430 mph). The gases can reach temperatures of about 1,000 Â°C (1,830 Â°F).