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William Collins
An imprint of HarperCollinsPublishers
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London SE1 9GF
This eBook first published in Great Britain by William Collins in 2016
Text © John and Mary Gribbin 2016
Photographs © individual copyright holders
John and Mary Gribbin assert the moral right to be identified as the authors of this work
Edited by Patricia Briggs
A catalogue record for this book is available from the British Library
All rights reserved under International and Pan-American Copyright Conventions. By payment of the required fees, you have been granted the non-exclusive, non-transferable right to access and read the text of this e-book on-screen. No part of this text may be reproduced, transmitted, down-loaded, decompiled, reverse engineered, or stored in or introduced into any information storage and retrieval system, in any form or by any means, whether electronic or mechanical, now known or hereinafter invented, without the express written permission of HarperCollins
Source ISBN: 978-0-00-814560-6
Ebook Edition © October 2016 ISBN: 9780008145613
Version: 2016-09-22
CONTENTS
2 MEASURING THE DIAMETER OF THE EARTH
5 MEASURING THE MAGNETIC FIELD OF THE EARTH
10 REVEALING THE MICROSCOPIC WORLD
11 ALL THE COLOURS OF THE RAINBOW
12 THE SPEED OF LIGHT IS FINITE
17 BREATHING PLANTS AND PURE AIR
18 OPENING UP THE SOLAR SYSTEM
19 ANIMAL HEAT, BUT NO ANIMAL MAGIC
20 TWITCHING FROGS AND ELECTRIC PILES
31 THINKING ABOUT THE POWER OF FIRE