Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 64
... light which has journeyed for 200,000 years to meet us ; by what mechanism could this light calculate 200,000 years ago that to- day we should be where we are ? There seem to be only two possibilities open : the cones of light pro ...
... light which has journeyed for 200,000 years to meet us ; by what mechanism could this light calculate 200,000 years ago that to- day we should be where we are ? There seem to be only two possibilities open : the cones of light pro ...
Página 84
... Light . CURIOUS as it may seem , the origin of the brilliant metallic and iridescent colours in birds and insects has never been satisfactorily explained , though it is generally supposed among naturalists and others that they are in ...
... Light . CURIOUS as it may seem , the origin of the brilliant metallic and iridescent colours in birds and insects has never been satisfactorily explained , though it is generally supposed among naturalists and others that they are in ...
Página 515
... light- positive selenium is of this kind , and becomes gradually transformed into a more stable and less light - positive modification as time proceeds . Tel- lurium appears to behave similarly . In continuation of Arrhenius's work on ...
... light- positive selenium is of this kind , and becomes gradually transformed into a more stable and less light - positive modification as time proceeds . Tel- lurium appears to behave similarly . In continuation of Arrhenius's work on ...
Índice
October 9 1919 | xxxii |
Stefanik Genl M obituary 231 | xxxviii |
Storkerson S Arrival with his party on the Alaskan | 8 |
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