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J.LIN PIIILOSOPHY & MODERN SCIENCE According to this, the ether is a continuous, ind:visible substance which is non-material (nonatomic) and pervades the whole universe and is wvisible
A few authoritative quotations of scientists will give enough material to understand the historical development of the theory of ether and the outline of the characteristic of modern ether Dempiyar writes on page 3 in his book 'A short History of Science', "Different scientists have used the Greek conception about ether in different ways. With its help, Kepler tried to establish how the sun keeps the planets moving. Descrates considered the matter, as ether for the formation vortices Gilbert used ether in the establishment of the Theory of Electricity and Magnetism. Harvey had the confidence that only by the help of ether the light from the sun reaches to the living beings and to the blook". He writes futher on page 164 Formerly the scientists believed that light does not possess weight but in this age, they have accepted the view that light possesses mass, which was accepted by Jain philosophy eternally."
"For the propagation of waves, a medium was necessary and consequently the existence of ether was conceived. For the transverse motion of waves,
11 Dravya Sangrah Sanskrit Chhaya 12 Tattwarth Sør A 7.