The phosphor on the screen had a tendency to “burn in” if you showed the same ... video is the part where they tear apart an actual CRT, something you don’t see very often.

Screen savers can be password enabled ... it would actually take many hours to burn an image onto a late model CRT. In addition, LCD flat panel monitors do not use phosphors and are not subject ...

At Tedium, Ernie Smith explores the origins of screen savers, revealing a history that stretches back further than most might think. Although Apple seems focused on its high-resolution Aerial video ...