Fifty years ago, to great fanfare, the BBC launched its second channel, BBC2 — except, it didn’t. Just as the channel was due to go to air, there was a power cut and a nation of eager British viewers turned over to a blank screen. Thanks to secondary power supplies in another BBC building, a newsreader briefly explained what was happening to a baffled audience before postponing the launch until the following evening. Pondering broadcasting disasters like this got Picture Perfect thinking. What would be the TV worst-case scenario? When would the worst possible moment be for your antenna installation or digital TV to fail? After all, digital television with bad reception doesn’t go fuzzy. It goes blank.