A CBT PUBLICATION The Story Of Time Nita Berry By Nita Berry- Illustrated by B.G. Varma Children's Book Trust, New Delhi The Story of Time won the Shankar's Award and First Prize in the category Non-fiction/Information in the Competition for Writers of Children's Books organized by Children's Book Trust. Apart from stories, the other works by the author, published by CBT, are The Story of Writing, The Wonder of Water, Rajendra Prasad and Vinayak Damodar Savarkar in 'Remembering Our Leaders' series. EDITED BY GEETA MENON AND SUDHA SANJEEV Text typeset in 13/17 pt. Palatino © by CBT 2001 Reprinted 2002, 2003, 2004 (twice). ISBN 81-7011-891-3 Published by Children's Book Trust, Nehru House, 4 Bahadur Shah Zafar Marg, New Delhi-110002 and printed at its Indraprastha Press. Ph: 23316970-74 Fax: 23721090 e-mail: [email protected] Website: www.childrensbooktrust.com The Riddle Of Time Just suppose you could clamber aboard a Time Machine and press the 'Forward' button. Z...a...ap... Would you hurtle forward through a blinding flash of days and nights, months and years—even long centuries— perhaps, to land into an alien world of the future...? A world that will be a marvel of technology. And then suppose you pushed the 'Reverse' button and took a trip in the opposite direction— g journeying into the dim recesses of the past. You might just land right into your favourite period of history... Imagine a scene, set in ancient Macedonia. A gleaming, black steed is resisting all efforts to tame it. It rears wildly and throws every rider to the ground—until a handsome, curly- haired youth, who has been watching intently, approaches it. He murmurs gently into its ears, and turns the quivering creature to face 3 the sun, away from its moving shadow. This has been disturbing the horse all along... If you could re-enter the past, what a thrill it would be to watch young Alexander tame the splendid Bucephalus who would later lead him to victory in all his battles! Or to see for yourself the lavish Mughal court with its 'nine gems'. You might even travel further back into the primitive world and wander through dinosaur country, with a friendly brachiosaurus, perhaps, for company! Can man indeed travel through time? So far, it is only in the pages of science fiction that he has travelled at will into the past and the future. Or, of course, in his dreams which can take him into any period every night! However, he has always dreamt of conquering time which, more than ever before, rules our lives with a firm hand, without ever seeming to slow down. Could you think of a world without time? Imagine what it would be like not to have to tumble out of bed to the shrill buzz of the morning alarm and to hurry to catch the school bus! To be able to play on endlessly without being told that it was time to go home... or to watch a late night, horror film without it ever being bedtime! It all sounds too good to be true, or even practical for that matter, does it not? For a world without time would probably be a totally chaotic place to live in, where 4 everything happened all at once—a kind of topsy-turvy land! Without time you would be late for school or forget to go to bed at night. You would either reach the cinema too early or after the show is over. And how embarrassing to arrive at your best friend's birthday party after all the guests have left! Without the steady ticking of our clocks, nothing indeed would run smoothly anywhere. Factory machines would work in absolute disorder; and buses and trains would run at all hours, instead of to a schedule. On the other hand, life without time could perhaps be a kind of timeless existence, where nothing moved forward and existed in a static state. It is difficult to imagine either state, actually. No doubt, you do know what time means to you, because it is so very important. You probably look at your watch or clock at least a dozen times in a day. Yet, if you were asked to explain 'time', you would most likely be too perplexed to answer. Time is a funny thing. It can mean different things to different people. It is rather like the story of the six blind men who felt the elephant. Remember how each one gave his own description of the animal! Similarly, if you asked for a definition of time, you would probably get a lot of varied answers. For a physicist, time along with space makes up the two basic building blocks of the universe. A science fiction enthusiast probably views time as the fourth dimension. A biologist, on the other hand, will see time as the internal rhythm of our bodies that keeps us in harmony with nature. For the watch manufacturer, time ticks away as accurately as his timepieces. Time means money to the busy businessman. As for the student taking an examination, time is always running short! What about when you are bored? Time just does not seem to move on, then! However, for some people time has no meaning at all! The great French General, Napoleon Bonaparte was a strict disciplin- arian. He was a stickler, too, for time. Once he invited some important generals over to dinner. When the guests failed to arrive on time, he sat down to eat a solitary meal. He then asked his servants to clear the table and put away the rest of the food. When the generals arrived, they were surprised to find no dinner. Napoleon calmly announced that dinner time was over and it was now time to leave. It was a bitter lesson on the value of time! "So, what then is time?" You might well ask, just as St. Augustine did as far back as the fifth century A.D. He had gone on to comment, "If no one asks me, I know what Napoleon Bonaparte (1769-1821) it is. If I wish to explain it to him who asks me, I do not know." This most familiar of concepts used in organizing everyday thought and action is also the most elusive! 7 It cannot be given any simple definition. "We physicists work with time every day/' the late Nobel laureate Richard Feynman remarked once. "But do not ask me what it is. It is just too difficult to think about!" Modern physicists, mathematicians and philosophers are determined not to let time slip through their fingers, eager to probe its many mysteries. They have been thinking hard—what really is time? How did it begin? Can it be reversed or even slowed down? After all, who has not wished to turn back the clock or calendar at some time—to redo a test perhaps, or erase a mistake? Again, they have wondered, could time be accelerated to move 'Fast Forward', rather like a video cassette? When did the universe come into existence? Will it expand forever and the galaxies fade and disperse into an ultimate 'heat death'? Or will it recollapse into nothing, so that our descendants are doomed to share the fate of an astronaut who falls into a 'black hole'? And then, will time end? The questions are as endless as they are puzzling. Early man too probably realized that time was passing, when he saw he lived in a world of constant changes that time was passing. Seasons came and went. Rocks crumbled into dust. He watched buds bloom into beautiful flowers and wither away. Little babies grew into young men and women, before time made them old and grey. He saw that nothing or nobody 8
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