April 30

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Better Than News

Beyond Plausible

In Other Words

Are You Sure

• ... that electrical engineer Ralph Hartley (1888–1970) invented the Hartley oscillator and the Hartley transform; and that he and contributed to the foundations of information theory while working at Bell Laboratories, researching repeaters and voice and carrier transmission, formulating the law that "the total amount of information that can be transmitted is proportional to frequency range transmitted and the time of the transmission," and that Hartley's 1928 paper is considered as "the single most important prerequisite" for Claude Shannon's theory of information?

• ... that "Unscanned Halo" is an anagram of "Claude Shannon"?

Selected Anniversaries

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