Color bars--the universal television signal test pattern and audio tone sent to keep cameras, monitors and equipment in synchronization today are a social media memorial to the reporter and ...

Occasionally, we get to catch a glimpse of the hidden tests that ensure our technology-infused world runs smoothly: color bars on TV or blocks of “lorem ipsum” gibberish text. There’s a fascinating ...

Are you old enough to remember growing up with no more than three or four TV stations to watch…and something called a test pattern when the stations were not broadcasting? Yes, TV actually signed off ...