Why does the computer monitor's image shake sometimes when the television is...

[Cory]

...turned on? Sometimes when I am at the computer and someone in my family turns on the TV, the images on the screen become blurred and shake for up to a second or two. The two machines are approximately 6 feet apart. What is causing this? Is there some overlap between the two systems' electrical signals, and what would that be?

[white]

TV generates magnetic fields and pulse which matches the pulse of the monitor so the monitor flickers