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Radiation and the Electron1

Nature volume 101, pages 254257 (30 May 1918) | Download Citation



II. IN spite of the credentials which have just been presented for Einstein's equation, we are confronted with the extraordinary situation that the semi-corpuscular theory out of which Einstein got his equation seems to be wholly untenable, and has, in fact, been pretty generally abandoned, though Sir J. J. Thomson2 and a few others3 seem still to adhere to some form of æther-string theory—that is, to some form of theory in which the energy remains localised in space instead of spreading over the entire wave front.


  1. 1.

    Address to the Section of Physics and Chemistry of the Franklin Institute, Philadelphia, on January 4, 1917, by , professor of physics in the University of Chicago. The substance of this lecture has since been incorporated into a book recently issued by the University of Chicago Press, entitled “The Electron.“ Continued from p. 237.

  2. 2.

    Proc. Phys. Soc. of London, vol. xxvii. (December 15, 1914), p. 105.

  3. 3.

    Modern Electrical Theory“ (Cambridge University Press, 1913), p. 248.

  4. 4.

    , “Electricity and Matter,“ p. 9.

  5. 5.

    , “Lehrbuch der Optik“ (1906), p. 472.

  6. 6.

    Radioactive Substances and their Radiations,“ p. 288.

  7. 7.

    These photographs will be found also in the August, 1917, number of the Physical Review (see presidential address of the president of the Physical Society).

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