The New Physics and Its EvolutionK. Paul, Trench, Trübner, 1907 - 344 pagini |
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Pagina xii
... ETHER CHAPTER VI PAGES 169-207 § 1. The Luminiferous Ether : First idea of Ether due to Descartes - Ether must be imponderable - Fresnel shows light vibrations to be transverse- e - Transverse vibrations cannot exist in fluid - Ether ...
... ETHER CHAPTER VI PAGES 169-207 § 1. The Luminiferous Ether : First idea of Ether due to Descartes - Ether must be imponderable - Fresnel shows light vibrations to be transverse- e - Transverse vibrations cannot exist in fluid - Ether ...
Pagina xiii
... ether insufficient ( pp . 203-207 ) . WIRELESS TELEGRAPHY - CHAPTER VII PAGES 208-234 § 1. Histories of wireless telegraphy already written , and difficulties of the subject ( pp . 208-211 ) . § 2. Two systems : that which uses the ...
... ether insufficient ( pp . 203-207 ) . WIRELESS TELEGRAPHY - CHAPTER VII PAGES 208-234 § 1. Histories of wireless telegraphy already written , and difficulties of the subject ( pp . 208-211 ) . § 2. Two systems : that which uses the ...
Pagina xiv
... -Le Bon's theories - Ballistic hypothesis generally admitted - Does energy come from without - Sagnac's experiments - Elster and Geitel's contra ( pp . 282-292 ) . CHAPTER X THE ETHER AND MATTER . — - PAGES xiv CONTENTS.
... -Le Bon's theories - Ballistic hypothesis generally admitted - Does energy come from without - Sagnac's experiments - Elster and Geitel's contra ( pp . 282-292 ) . CHAPTER X THE ETHER AND MATTER . — - PAGES xiv CONTENTS.
Pagina xv
Lucien Poincaré. CHAPTER X THE ETHER AND MATTER . — - PAGES 293-321 § 1. The Relations between the Ether and Matter : Attempts to reduce all matter to forms of ether - Emis- sion and absorption phenomena show reciprocal action— Laws of ...
Lucien Poincaré. CHAPTER X THE ETHER AND MATTER . — - PAGES 293-321 § 1. The Relations between the Ether and Matter : Attempts to reduce all matter to forms of ether - Emis- sion and absorption phenomena show reciprocal action— Laws of ...
Pagina 118
... ether of petrol , which is uncongeal- able , and a good lubricant for the moving parts . When once the desired region of cold is reached , air itself is used , which moistens the metals but does not completely avoid friction ; so that ...
... ether of petrol , which is uncongeal- able , and a good lubricant for the moving parts . When once the desired region of cold is reached , air itself is used , which moistens the metals but does not completely avoid friction ; so that ...
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absolute actinium action analogous appear atoms becomes bodies calorific cathode rays centimetre chemical Clausius complete conservation of energy considerable considered constant constitution contrary corresponding Crookes tube discovery dissociated domain Duhem Edition effected elastic electric electrolytes electromagnetic electrons endeavoured energy entropy enunciated equilibrium ether evolution exist experimental experiments fact fluids gaseous gases give given heat Hertz hydrogen hypothesis idea important ions J. J. Thomson kinetic theory known laws light liquid Lord Kelvin luminous Madame Curie magnetic field magnitude mass matter measure mechanics metals method metre millimetre molecular molecules moreover movement nature obtained optical ordinary particles particular phenomena phenomenon physicists physics possible precision present pressure principle of Carnot produced Professor propagation properties quantity question radiations radioactive radium reality regard relation remarkable researches scholars seems solid solution speed substances succeeded temperature thermodynamics tion transformations tube unit variations velocity vibrations vis viva wave-lengths waves
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Pagina 19 - I often say that if you can measure that of which you speak, and can express it by a number, you know something of your subject ; but if you cannot measure it, your knowledge is meagre and unsatisfactory.