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memristor  n.— «The four passive components of electronics are the resistor, capacitor, inductor and the memristor, which was discovered only a few months ago. Memristors (from memory-resistors, geddit?) are resistors whose resistance...

auroral chorus

auroral chorus n. chirps, whistles, and quasi-musical sounds created by the electromagnetic effects of auroras in very low broadcast frequencies. Editorial Note: A similar phenomenon is the dawn chorus. Examples of the both can be heard here...

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