Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas This work is a collection of addresses and articles written at Aberdeen University regarding the interaction between science and society. |
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Página 14
... possible expansion and development of the race in the future have been virtually abolished by this discovery of the immanence of the physical sources of life and motion in the universe . Painfully and with infinite slowness man has ...
... possible expansion and development of the race in the future have been virtually abolished by this discovery of the immanence of the physical sources of life and motion in the universe . Painfully and with infinite slowness man has ...
Página 16
... possible to put a value on the total amount of energy a given weight of radium will furnish before the outflow comes to an end . It is about a third of a million times as great as would be evolved in the THE ENERGY OF RADIUM 17 ...
... possible to put a value on the total amount of energy a given weight of radium will furnish before the outflow comes to an end . It is about a third of a million times as great as would be evolved in the THE ENERGY OF RADIUM 17 ...
Página 19
... possible to obtain enough to weigh and to prepare in a pure condition for chemical examination . The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by ...
... possible to obtain enough to weigh and to prepare in a pure condition for chemical examination . The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by ...
Página 33
... possible to account for solar radiation over a period of some millions of years , the claims of the geologists for hundreds or thousands of millions could not be satisfied . What is the origin of the stream of energy pouring out.
... possible to account for solar radiation over a period of some millions of years , the claims of the geologists for hundreds or thousands of millions could not be satisfied . What is the origin of the stream of energy pouring out.
Página 36
... possible to extract the energy , which now oozes out , so to speak , from radioactive materials over a period of thousands of millions of years , in as short a time as we pleased . From a pound weight of such substances one would get ...
... possible to extract the energy , which now oozes out , so to speak , from radioactive materials over a period of thousands of millions of years , in as short a time as we pleased . From a pound weight of such substances one would get ...
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a-particle Aberdeen actinium active ancient animal Arts 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 conception creative definite direction discovery disintegration electricity electrons emanation energy evolved existence expelled experimental external Faculty FREDERICK SODDY fundamental H. H. Asquith helium hitherto human ideals inanimate universe investigation ionium isotopes J. J. Thomson knowledge known labour lead living mass material means mechanism ment million mind minerals modern nation nature original past Periodic Law periodic table philosophy physical pitchblende polonium practical present problem processes pure quantity radio-elements radioactive change radium radium-C 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