Nature, Volume 104Sir Norman Lockyer Macmillan Journals Limited, 1919 - Electronic journals |
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Page 74
... light absorbed in the black pig- ment may stimulate certain atoms into radioactivity and so cause the sensation of light , I am reminded of a theory of colour vision which I endeavoured to in- vestigate some years ago . The theory is ...
... light absorbed in the black pig- ment may stimulate certain atoms into radioactivity and so cause the sensation of light , I am reminded of a theory of colour vision which I endeavoured to in- vestigate some years ago . The theory is ...
Page 604
... LIGHT . TELEPHONY by means of light is a particular case of wireless telephony . It differs from what is generally understood as wireless tele- In both cases phony in no essential respect . electromagnetic waves are used , but whereas ...
... LIGHT . TELEPHONY by means of light is a particular case of wireless telephony . It differs from what is generally understood as wireless tele- In both cases phony in no essential respect . electromagnetic waves are used , but whereas ...
Page 692
... light brings out some interest- ing and rather surprising effects . As Einstein's law is entirely kinematical , involving accelerations instead of forces , no account need be taken of variation of mass with velocity other than that ...
... light brings out some interest- ing and rather surprising effects . As Einstein's law is entirely kinematical , involving accelerations instead of forces , no account need be taken of variation of mass with velocity other than that ...
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