What Does a Screensaver Actually Do?
Along with punnymugsand goofybobbleheads , creativescreensaversused to be a bang-up way to countenance co - workers make love just how fun you really were . They also protect clunkyold computersfrom stop up with unreadable screens . As HowStuffWorksexplains , most early electronic computer monitors contained a cathode - irradiation underground ( CRT ) , which projected image onto the screen using phosphor . If a certain epitome was entrust on the screen for too long , however , the phosphor could allow an imprint of it on the glass — a phenomenon known asburn - in ....