return fluid
91Thermosiphon — (alt. thermosyphon) refers to a method of passive heat exchange based on natural convection which circulates liquid in a vertical closed loop circuit without requiring a conventional pump. Its intended purpose is to simplify the pumping of liquid …
92respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… …
93ancient Greek civilization — ▪ historical region, Eurasia Introduction the period following Mycenaean civilization, which ended in about 1200 BC, to the death of Alexander the Great, in 323 BC. It was a period of political, philosophical, artistic, and scientific… …
94Disc brake — Close up of a disc brake on a car On automobiles, disc brakes are often located with …
95Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …
96Buoyancy — The forces at work in buoyancy In physics, buoyancy (  / …
97Solid mechanics — Continuum mechanics …
98List of Æon Flux episodes — This is a list of all Æon Flux episodes. Contents 1 Season 1 (1991) 1.1 Pilot (September 1991) 1.2 Notes 2 Season 2 (1992) …
99History of fashion design — The first fashion designer who was not merely a dressmaker was (Charles Frederick Worth) (1826–1895). Before the former draper set up his maison couture fashion house in Paris, fashion creation and inspiration was handled by largely unknown… …
100Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
