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 17
... chemistry in two ways . In the first place they are more fundamental , and concern a plane in the complexity of matter hitherto not penetrated . It is the unit of matter , indivisible in chemical changes , the atom of the radioactive ...
... chemistry in two ways . In the first place they are more fundamental , and concern a plane in the complexity of matter hitherto not penetrated . It is the unit of matter , indivisible in chemical changes , the atom of the radioactive ...
Página 18
... chemistry and physics . These radioactive disintegrations of the atom proceed in a long sequence of successive changes at characteristic rates . The primary parent - elements , uranium and thorium , each stand , as it were , at the head ...
... chemistry and physics . These radioactive disintegrations of the atom proceed in a long sequence of successive changes at characteristic rates . The primary parent - elements , uranium and thorium , each stand , as it were , at the head ...
Página 19
... chemical examination . The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by chemists for a century , so feeble is their radioactivity and so slow their rate ...
... chemical examination . The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by chemists for a century , so feeble is their radioactivity and so slow their rate ...
Página 20
... chemical science was totter- ing to its fall as the result of the discovery of the intra - atomic changes of the radio - elements , is one that has always been too absurd to call for reply . But for that science and its clear - cut ...
... chemical science was totter- ing to its fall as the result of the discovery of the intra - atomic changes of the radio - elements , is one that has always been too absurd to call for reply . But for that science and its clear - cut ...
Página 21
... chemistry of glowing suns , is in con- tinuous natural operation on the earth amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones ...
... chemistry of glowing suns , is in con- tinuous natural operation on the earth amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones ...
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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