Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas |
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Página vii
... known the bearing of their special fields of inquiry upon the general problems of life and belief . Written at a time when millions of young men were being killed in consequence of the destinies of scientific nations being in the hands ...
... known the bearing of their special fields of inquiry upon the general problems of life and belief . Written at a time when millions of young men were being killed in consequence of the destinies of scientific nations being in the hands ...
Página 8
... rapidity of these changes among the mixed popula- tion which finds its way into the United States is well known . The subjection of inanimate sources THE NEED FOR ADAPTATION 9 of energy resulted in a 8 SCIENCE AND LIFE.
... rapidity of these changes among the mixed popula- tion which finds its way into the United States is well known . The subjection of inanimate sources THE NEED FOR ADAPTATION 9 of energy resulted in a 8 SCIENCE AND LIFE.
Página 12
... known , springs into being with the sunlight of a hundred million years ago augmenting its own . The source of energy by which the modern world lives so profligately is no steady or perennial stream , such as that out of which our ...
... known , springs into being with the sunlight of a hundred million years ago augmenting its own . The source of energy by which the modern world lives so profligately is no steady or perennial stream , such as that out of which our ...
Página 16
... known . In a year it evolves about 150 times as much energy as would be evolved in the complete combustion of the same weight of coal . Yet in the fifteen years that have elapsed since the discovery no measurable diminu- tion of this ...
... known . In a year it evolves about 150 times as much energy as would be evolved in the complete combustion of the same weight of coal . Yet in the fifteen years that have elapsed since the discovery no measurable diminu- tion of this ...
Página 17
... known change is given out . Just as chemical changes , the disruption and formation of molecules and the rearrangement of the component atoms out of which they are built -such changes as the explosion of dynamite or gunpowder - occur ...
... known change is given out . Just as chemical changes , the disruption and formation of molecules and the rearrangement of the component atoms out of which they are built -such changes as the explosion of dynamite or gunpowder - occur ...
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Términos y frases comunes
a-particle actinium active ancient animal atomic number atomic weight B-ray bismuth branch British Science Guild Carnegie Trust cent century chemical character chemical elements chemist chemistry classical coal commercial education complete conception creative definite direct discovery disintegration electricity electrons emanation energy evolved existence expelled experimental external Faculty FREDERICK SODDY fundamental H. H. Asquith helium hitherto human ideals important inanimate universe investigation ionium isotopes J. J. Thomson knowledge known labour lead living material means mechanism ment million mind minerals modern nation nature original past Periodic Law periodic table philosophy physical pitchblende polonium practical present problem processes Professor progress pure quantity radio-elements radioactive change radium recognised regard religion scientific study Scotland Soddy spectroscopic spectrum spirit study and research subjects successive teaching technical or commercial thallium thought tion to-day transmutation truth ultimate University of Aberdeen uranium and thorium wealth whole