11. In some situations, the ghost images only became visible when the magazine was tilted toward a light source. 12. And the grid layout allows for a high density of pixels, without gaps in color or ghost images . 13. In some situations, the ghost images only become visible when the magazine is tilted toward a light source. 14. You'll get little ghost images of blank bars on the parts of the screen where there was no image. 15. Such ghost images , known as " pentimenti, " become visible because paint gets more transparent over time, Heffley said. 16. A static image left long enough on a plasma screen will eventually leave a permanent ghost image on its phosphors. 17. That helps prevent phosphor burn-in, little ghost images on the screen that were common with some older model computer monitors. 18. The experts puttered and poked, looking for a hidden corner where ghost images of the lost messages might still be flickering. 19. Uneven usage results in uneven light output over time, and in severe cases can create a ghost image of previous content. 20. This additional step removes haze or " ghost images " left behind in the screen once the emulsion has been removed.
