That's a famous line in Federalist No. 51, generally attributed to James Madison—but not quite. The line is actually, in context, But the great security against a gradual concentration of the several ...
IN continuation of the experiments of Mr. W. L. Bragg (NATURE, December 12, 1912, p. 410), we have investigated the reflection of X-rays by mica and rock salt. In these experiments we found that in ...
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