You may already have seen these very ugly horizontal lines on video images, very visible in the movements. Therefore we see from time to time ? Where did they come from ? How to get rid ? We must once again, back to the story to understand the (...)

The concept of television The goal of “tele-vision” at the beginning, as its name suggests, was able to transmit moving pictures remotely, making “live” that the cinema does not, because you have to develop the film. But how, in the early 20th (...)

Cinema is a cross between a camera and the mechanics of a sewing machine, which helped capture on a long strip of film, a large number of photos one after the other. In this instance, since 1927, it is still 24 frames per second. These (...)

What is an image ? To answer this question, the first question to ask is: Why do we see? How do we see? What do we see? Keeping it simple: at the bottom of our eye, there is a “sensitive area”, which sends information to the brain, which (...)