Grayscale is referred to white and as black, grayscale or grayscale can be an impression comprised of colors of black spots and white.While the majority of things nowadays have been in full-color, some products like the Amazon Kindle show images and text in grayscale.
Grayscale images are often the result of measuring the intensity of light at each pixel in a single band of the electromagnetic spectrum (e.g. infrared, visible light, ultraviolet, etc.), and in such cases they are monochromatic proper when only a given frequency is captured. But also they can be synthesized from a full color image; see the section about converting to grayscale.
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This character name is alluding to Philo Farnsworth and Vladimir K. Zworykin, who invented the iconoscope. He was inducted into the Television Academy Hall of Fame in 2013