Science and Life: Aberdeen AddressesThis work is a collection of addresses and articles written at Aberdeen University regarding the interaction between science and society. |
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Página 8
So great is the discontinuity between the present and any previous period . One may believe that the human aspect of learning , if it is the highest , is also the last aspect to be achieved , and if no adequate appreciation of the older ...
So great is the discontinuity between the present and any previous period . One may believe that the human aspect of learning , if it is the highest , is also the last aspect to be achieved , and if no adequate appreciation of the older ...
Página 18
Its atom remains in existence for a period of time which is , on the average , definite , and which varies among the various successive members between the extremes , estimated indirectly in a variety of ways , of a hundred - thousand ...
Its atom remains in existence for a period of time which is , on the average , definite , and which varies among the various successive members between the extremes , estimated indirectly in a variety of ways , of a hundred - thousand ...
Página 19
THE RATE OF CHANGE OF RADIUM 19 annum , is so slow that over ordinary periods of time it is imperceptible ... Mureover , the quantity of each member of the series , coexisting with its parent , is proportional to its period of life .
THE RATE OF CHANGE OF RADIUM 19 annum , is so slow that over ordinary periods of time it is imperceptible ... Mureover , the quantity of each member of the series , coexisting with its parent , is proportional to its period of life .
Página 20
Energy of the order of a million times that evolved in the combustion of the same weight of coal , instead of being , as in the case of radium , evolved in the average period of 2500 years , is in the case of uranium and thorium spread ...
Energy of the order of a million times that evolved in the combustion of the same weight of coal , instead of being , as in the case of radium , evolved in the average period of 2500 years , is in the case of uranium and thorium spread ...
Página 33
How can nature , the bank - teller , account for such a large expenditure of energy , over so prolonged a period , without long ago having become bankrupt ? The sun and stars do not burn coal . Even if they did , Lord Kelvin computed ...
How can nature , the bank - teller , account for such a large expenditure of energy , over so prolonged a period , without long ago having become bankrupt ? The sun and stars do not burn coal . Even if they did , Lord Kelvin computed ...
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a-particle actinium active ancient appear applied Arts atomic weight attempt become bismuth branch Carnegie cent century chemical chemical character chemistry complete conception concerned continuous course definite departments direct discovery elements energy existence external fact Faculty follow fundamental future give given hand hitherto human important inanimate individual interest isotopes knowledge known labour lead learning least less living mass material matter means mechanism methods million mind minerals nature occur once original past period philosophy physical position possible practical present problem processes progress pure quantity question radioactive radium regard remains result scientific separated spirit subjects successive teaching thorium thought tion to-day Trust truth ultimate universities uranium wealth whole
Información bibliográfica
| Título | Science and Life: Aberdeen Addresses |
| Autor | Frederick Soddy |
| Editor | J. Murray, 1920 |
| N.º de páginas | 229 páginas |
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