ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] IN a recent letter to NATURE (July 2) by two of the present writers, it was pointed out that information was lacking as to the extent to which radio waves could penetrate the earth. By the courtesy of Mr. J. H. Clark, Mr. H. K. Lidstone, and other officials of the famous Caribou Mine, Colorado, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/120406a0
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