Encyclopedia > Cathodoluminescence

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Cathodoluminescence is an optical and electrical phenomenon where the stream of electrons passing through a cathode ray tube impact on a phosphor causing it to glow. The most common example is the screen of a television.

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... has an excretory function in both sexes, to pass urine to the outside, and also a reproductive function in the male, as a passage for sperm. The external urethral ...

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