ScienceJohn Michels (Journalist) 1934 |
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Page 234
... theory which was adopted is due to Huygens . On this theory light con- sists of undulations propagated through an elastic medium which fills all space ; it is assumed that the elasticity of this medium is different in different ma ...
... theory which was adopted is due to Huygens . On this theory light con- sists of undulations propagated through an elastic medium which fills all space ; it is assumed that the elasticity of this medium is different in different ma ...
Page 416
... theory by Weyl in his book on group theory and quantum mechanics , so that implicitly a good deal of the requisite theory was in If we substitute in these equations the numbers x , y OBITUARY. such a firm hold of all branches of physics ...
... theory by Weyl in his book on group theory and quantum mechanics , so that implicitly a good deal of the requisite theory was in If we substitute in these equations the numbers x , y OBITUARY. such a firm hold of all branches of physics ...
Page 418
... theory of trans- formations of coordinates and a theory of vectors and tensors . A tensor is a physical object such that with every event we are able to associate a set of numbers called its components when we have before us a given ...
... theory of trans- formations of coordinates and a theory of vectors and tensors . A tensor is a physical object such that with every event we are able to associate a set of numbers called its components when we have before us a given ...
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