Quarterly Journal of Science: 1870, Том 7John Churchill and Sons, 1870 |
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Страница 2
... motion . But to evolve light the motion must be enormously swift , whilst to produce sound the motion must be comparatively slow . In the former case only impalpable molecules can be made to attain the requisite swiftness - light is ...
... motion . But to evolve light the motion must be enormously swift , whilst to produce sound the motion must be comparatively slow . In the former case only impalpable molecules can be made to attain the requisite swiftness - light is ...
Страница 3
... motion of vibration . This is the case when a wire or rod is rubbed longitudinally ; and , as might be predicted ... motion , the law of the conservation of force teaches us that neither one nor the other can have been produced without ...
... motion of vibration . This is the case when a wire or rod is rubbed longitudinally ; and , as might be predicted ... motion , the law of the conservation of force teaches us that neither one nor the other can have been produced without ...
Страница 4
... motion . We have abundant reason to believe that such a medium exists ; we term it the luminiferous ether . To this ether , then , the luminous body communicates its motion . Here , also , a system of waves is produced which , striking ...
... motion . We have abundant reason to believe that such a medium exists ; we term it the luminiferous ether . To this ether , then , the luminous body communicates its motion . Here , also , a system of waves is produced which , striking ...
Страница 5
... motion or heat is the result . But in removing the air we do not , and we cannot in any way as yet known , remove the luminiferous ether ; by which ether heat is propagated as well as light . Hence the heat - motion resulting from what ...
... motion or heat is the result . But in removing the air we do not , and we cannot in any way as yet known , remove the luminiferous ether ; by which ether heat is propagated as well as light . Hence the heat - motion resulting from what ...
Страница 6
... motion which impinges upon them . Owing to the vast difference in tenuity and elasticity of the media which convey light and sound , we should expect to find the very difference we observe in the apparatus contrived for hearing and ...
... motion which impinges upon them . Owing to the vast difference in tenuity and elasticity of the media which convey light and sound , we should expect to find the very difference we observe in the apparatus contrived for hearing and ...
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