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Cathode rays |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.06 sec. |
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Cathode rays The name given to the electrons originating at the cathodes of gaseous discharge devices. The term has now been extended to include low-pressure devices such as cathode-ray tubes. Furthermore, cathode rays are now used to designate electron beams originating from thermionic cathodes, whereas the term was formerly applied only to cold-cathode devices. |
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Cathode rays emit impulses that activate screens of televisions and computer monitors. It made us think about the computer and all the cathode rays you're bombarded with. When not avidly immersed in ER's benign cathode rays, one half of the national brain agonized over the dystopian vision put forth by Professor Charles Murray and the late Richard Herrnstein in their best-seller The Bell Curve: America, apparently, is becoming a society hopelessly polarized between a "cognitive elite" and a growing, irredeemable underclass of criminal types with submoronic 75 IQ's. |
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