Here's the "whole other story" about superimposing text on an existing TV broadcast by emitting pulses synchronized with the scan. * http://idlewords.com/2007/

Here's the "whole other story" about superimposing text on an existing TV broadcast by emitting pulses synchronized with the scan. * http://idlewords.com/2007/04/tv_solidarity.htm http://idlewords.com/2007/04/tv_solidarity.htm