He used an electromechanical device to show black and white and color pictures on screen.

他用机电装置，将黑白两色的画面，在屏幕上呈现出来。

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The front is literally a pane of polished glass and it exhibits the same properties -- oils and fingerprints are basically invisible when the screen's on, but they show up when off (and in the black zones above and below the screen).

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Well the new interface won't show that depressing strip of black and will instead fill the screen with your own video.

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Adobe is working on technology that will be able to determine that the lead actress in a show is wearing a black Chanel dress and match the wardrobe with an ad floating somewhere on the screen.

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