CONTENTS 1
1．The Bending of Light 1
2．Sounds You Cannot Hear 9
3．Man Searches for Life in Space 16
4．The Science of Physics，Part Ⅰ 23
5．The Science of Physics，Part Ⅱ 33
6．OceanograPhers and Their Work，Part Ⅰ 41
7．Oceanographers and Their Work，Part Ⅱ 48
8．Some Practical Uses of Radioisotopes 55
9．Next to Oxygen 62
10．What Are Computers？ 69
11．Making Blasts Behave 76
12．Microbes as Chemical Machines 84
13．Atmospheric Sciences 90
14．The Science that Imitates Nature's Mechanisms 98
15．How Long Is a Micromicrosecond？ 106
16．Basic and Applied Research 117
VOCABULARY 124