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 12
... 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 forefathers evolved their greatness . It is a stagnant pond ...
... 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 forefathers evolved their greatness . It is a stagnant pond ...
Página 16
... 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 combustion of the same weight 16 SCIENCE AND ...
... 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 combustion of the same weight 16 SCIENCE AND ...
Página 17
... million times greater than in any previously 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 ...
... million times greater than in any previously 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 ...
Página 18
... million years on the other . The two parent - elements are the longest lived , and preserve the strain of their less enduring ` children throughout the ages , over periods which exceed those covered even by the utmost estimates of the ...
... million years on the other . The two parent - elements are the longest lived , and preserve the strain of their less enduring ` children throughout the ages , over periods which exceed those covered even by the utmost estimates of the ...
Página 20
... million times that evolved in the combus- tion of the same weight of coal , instead of being , as in the case of ... millions of years . The effects are small but enduring , and , almost imperceptible in themselves , come to maturity in ...
... million times that evolved in the combus- tion of the same weight of coal , instead of being , as in the case of ... millions of years . The effects are small but enduring , and , almost imperceptible in themselves , come to maturity in ...
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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