The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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Animals must perceive their own movements to balance themselves and to move
effectively; without such perceptual functions the chances for survival would ...
VISUAL CUES The eye is by far the most effective organ for sensing movement.
Visual movement in depth. An object moving directly away from an observer
provides fewer visual cues of movement than it would by moving across the field
of view. However, changes in retinal-image size are produced that give a clue to
dynamic fractures of materials or insulation breakdown; and, in natural science
studies, flight movement of birds and insects. High-speed shutters. The shortest
exposure with mechanical shutters is about %.ooo second. Special highspeed ...
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LibraryThing ReviewUser Review - keylawk - LibraryThing
This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review