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THE HISTORY OF MAN’S COGNIZANCE AND UTILIZATION OF ENERGY SOURCES

  • AcceptedApr 20, 1975
  • PublishedMay 20, 1975

Abstract

Speaking of energy sources, we are referring in general to all the natural sourcesof energy available to man. In the constant struggles to overcome nature and changethe society, man has gradually deepened and broadened his scope of cognizance, aswell as his ability of utilization, of energy sources; while the more he has become able to utilize the natural sourees of energy,the stronger his material strength will grow in changing the world. Hence the history of  the evolution of energy sourees and tat of the human society are invariably closely linked with each other.

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