The source itself works a little like the cathode-ray tube of a television.

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But now the simple invention of a cathode ray tube, transforming light into electrons, registering their impact on the magnetic tape, had torn the curtain away.

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Existing scanners usually have but a single X-ray tube.

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Early research involved a colleague lying in a deckchair in the night-time open air with a piece of string to measure the meteors, while he observed electromagnetic signals on a cathode-ray tube in a nearby hut.

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Unaudited consolidated financial results for the fourth quarter ending Dec. 31, 2012 showed a net loss of KRW 468 billion (USD 428.96 million) which reflects a fine related to alleged cathode-ray tube pricing issues imposed by the European Commission in December.

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One such product: "Ray Modeler, " a tube that creates a 360-degree 3-D image.

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