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mechanism

(Encyclopedia) mechanism, philosophical theory about the nature of organic systems, holding that organisms are machines in the sense that they are material systems. Mechanism seeks to explain…

Euphranor

(Encyclopedia) EuphranorEuphranory&oomacr;frāˈnər [key], fl. 364 b.c., Greek painter and sculptor from Corinth. His most famous paintings were in the Stoa of Zeus at Athens—A Cavalry Charge…

Automotive Mechanic

What is this job like? Automotive service technicians and mechanics fix cars or light trucks that have broken down. They must be able to figure out the source of the problem quickly and…

Professor of Mechanical Engineering

Prof. K. H. Grote, Ph.D. Tell us about your work---what do you do? I teach mechanical engineering students at a major university and conduct…

Accurate Mechanical Clocks

Source: National Institute of Standards and Technology Physics Laboratory Pendulum ClocksQuartz Clocks In Europe during most of the Middle Ages (roughly 500 to 1500 A.D.), technological…

defense mechanism

(Encyclopedia) defense mechanism, in psychoanalysis, any of a variety of unconscious personality reactions which the ego uses to protect the conscious mind from threatening feelings and perceptions.…

Chemistry: A Quantum Leap into Quantum Mechanics

A Quantum Leap into Quantum MechanicsChemistryThe Modern AtomBohr: What Is It Good For?Spectroscopy: Reading Between the LinesA Quantum Leap into Quantum Mechanics Unfortunately for Bohr, his…

Heymans, Corneille

(Encyclopedia) Heymans, CorneilleHeymans, Corneillekôrnāˈyə hīˈmäns [key], 1892–1968, Belgian physiologist. His contributions to the physiology of circulation include a study of the sensory mechanism…

Krebs, Edwin Gerhard

(Encyclopedia) Krebs, Edwin Gerhard, 1918–2009, American biochemist, b. Lansing, Iowa. He and fellow Univ. of Washington professor Edmond Fischer discovered a biological regulatory mechanism,…