Stephen Andrews (artist) to his own experience of living with HIV. Andrews’ method of homemade colour separation evokes both the 19th-century painting technique of Pointillism: “in which small, distinct dots of pure color are applied in patterns to form an image”, and the Ben-Day dots of mechanical printing. Beyond these references, Andrews’ uses the technique to, at the same time, evoke the alchemy of vision and break its mechanics down. As a result, Andrews creates works that “hover at legibility.” “The pixilation or dot matrix completely obscures details, making specifics impossible to see. We can't grasp the full picture.“ The series of rubbed-crayon
Chroma dots was normal practice to insert a filter circuit between the color video output and the black-and-white monitor input in order to remove the color signal and prevent the formation of chroma dots. In many cases, however, the filter was not used and the chroma dot patterning is permanently burned into the resulting film recording. In 1994, James Insell, a BBC engineer, noticed that when playing back a copy of a black-and-white telerecording through color video equipment, spurious color was generated by the presence of chroma dots in the picture. He theorised that it might be possible to use the chroma