Appendices (p. [655]-685): I. Wireless telegraphy act of 1904. II. Bibliography of electric wave telegraphy. III. British patent specifications for improvements in ...
IT is now eighteen months since we last attempted in these columns to take a general survey of the development of wireless telegraphy. In the history of a science which has enlisted the services of so ...
A TRADITION is growing (cf. NATURE, March 9, p. 316), and requires scrutiny, that it was owing to discouragement by Sir George Stokes that D. E. Hughes abandoned his experiments in 1879, anticipatory ...
As you blithely cruise your electric bicycle past the gates of Naval Base Point Loma, you really don’t notice the offices of NIWC (Naval Information Warfare Center) Pacific, do you? How about the ...
CC0 Usage Conditions ApplyClick for more information. This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
Any pulp writer worth his salt knows that when his locale is darkest Africa he can’t use too many drums. In a good standard plot, talking drums warn fierce natives of the unsuspecting white man’s ...
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