Brain Map:Thermodynamics

DAVIES,PENCK & KING

Geographical Cycle of Davies William Morris Davies was an american geographer who gave first general theory on landform development.. Davis' most influential scientific contribution was the "geographical cycle", which he defined in an article,’ The Rivers and Valleys of Pennsylvania ,’ published at the end of 19th century. According to him, uplifted landmass undergoes sequential development or erosion till base level in various stages.This sequential development referred as cycle of erosion. FUNDAMENTAL PRINCIPLES 1.Cyclic nature of landform evolution. 2 Uniformitarianism:The same physical processes and laws that operate today, operated throughout geologic time, although not necessarily always with the same intensity as now BASIC POSTULATES Upliftment takes place on featureless plain which he modified 10 yrs later to accept it can occur from geosyncline. Upliftment on geological timescale is sudden.In later works, he accepted it to be episodic. ...

Rimland Theory

It was given by John Spykman which was published posthumously. It was a reaction to Mackinder’s Heartland Theory.He also believed in historical struggle between land and sea powers.But, his view were similar to Alfred Mahan’s idea of supremacy of sea power. CRITICISM OF HEARTLAND 1.Climatic hazards and physiographic difficulties 2.Non-ecumen region devoid of most important human resource.Thus,Resources remain unutilized. 4.Accessible from west and south West and merely few hours distance from N America RIMLAND It was similar to Mackinder’s inner crescent which comprised 3 sections 1.European Coast 2.Arabian middle east desert land 3.Asiatic monsoon land ADVANTAGES OF RIMLAND 1.¾ th of population and most of world resources like coal,petroleum,iron ore,etc. 2.Largest agricultural tract. 3.Suitable climate. 4.Variety of human race. According to him,those who control rimland,rules eurasia.And who rules eurasia controls destinies of world. APP...

Rene Descartes: A Critique

Introduction René Descartes (1596-1650) was a French philosopher, mathematician, and scientist who is considered one of the founders of modern Western philosophy. He is known for his contributions to analytic geometry, his development of the scientific method, and his famous philosophical statement "Cogito, ergo sum" ("I think, therefore I am"). Descartes is also known for his works on metaphysics, epistemology, and the philosophy of mind. Descartes' ideas had a significant impact on the development of Western philosophy and science. His emphasis on reason and mathematical reasoning as a tool for discovering truth has been influential in the development of the scientific method. Additionally, his ideas on the separation of mind and body and the nature of reality have continued to be influential in modern philosophy. Descartes' works include "Meditations on First Philosophy," "Discourse on the Method," and "Principles of P...

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