The black and white disc distinguishes day from night for the user automatically, so there is no possibility of confusion.

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The black zirconium oxide case evokes the ceramic disc brakes found in Mercedes-Benz AMG cars.

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The researchers think that, as the smaller black hole orbits the larger one, it hits the disc of matter surrounding it twice.

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For a while, he supplemented his disc jockey income in Las Vegas counting cards at Black Jack tables.

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Material in the vicinity gets drawn in, and settles into a disc, called an accretion disc, that's constantly spiraling toward the black hole.

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