A world without time! It would be a chaotic place to live in. Man has been trying ever to reckon time. He watched nature's clocks—the rising and setting of the sun, changing of the seasons, growth of a baby and mutation in all creation. From shadow sticks to sundials to water-clocks to the present day clocks that are accurate to one-millionth of a second and further—it is indeed the story of time. A most significant idea that has resulted through untiring research is the concept of time-space-continuum as an indivisible unity. Time remains a scientific mystery!
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