186 



WHAT IS SCIENCE? 



Medicine, 76 

 Meteorology, 76 

 Mill, 72 

 Mineralogy, 56 

 Molecules, 81, 82, 87, 88, 104 

 Multiplication, 122, 123, 136- 

 141 



NAPOLEON, 41, 42 

 Nature, 10-12, 15-27 



, Uniformity of, 61, 62 



Newton, 73, 93, 94, 99-103, 148- 



152 



Number, ni-n6, 137, 138 

 Numerals, 112, 115, 116, 126, 



137, 138 

 , Order of, 126, 129 



CERSTED, 120 



Ohm, 52, 53, 120 



" Other people," 23-27 



PASTEUR, 160 

 Pendulum, 152 

 Philosophy, 7, 9-11, 28 



, Natural, 9-11 . 



Physics, 13, 14, 75 

 Physiology, 13 

 Politics, 162, 163 

 Prediction, 59, 69-71, 87-89, 91 

 Psychology, 12 



QUALITY and quantity, 125 



SCIENCE, Branches of, 13 



, Certainty of, 164-170, 179 



, Classificatory, 56, 57 



and common sense, 17, 29, 



48, 92, 93 



Science and imagination, 73-76, 



90-94, 97-i4 

 , Limitations of, 160-164 



and logic, 47, 83, 145-147 



and other studies, 5-9 



and practice, 158-183 



pure and applied, 1-5, 158- 



160 

 Scientific, 9 



management, 163 



Sensations, 16-19, 20-23, 2 4' 2 7 



86 



Sommerfeld, 156, 157 

 " Square," 140 

 Statistics, 176-179 

 Steel, 40, 41, 43-46, 52, 174 

 Substance, 45, 66, 74, 76, 93 

 Symbols, 154-156 



THEORY, Analogies in, 94-97 

 distinguished from laws, 



85,86 



of gases, 81, 82, 96, 97 



, Invention of, 89-94 



, Mathematical.. 153-157 



, Mechanical, 95 



and "practice," 164, 170, 



181, 182 



, Reality of, 104-108 



, Scientific, 81-85 



, Unscientific, 92, 93, 172- 



174 

 , Value of, 86-89 



WEATHER, 173, 175, 177, 178 

 Will, 20, 26 



ZOOLOGY, 13, 56 



