Have you heard of Vladimir Zworykin? He was responsible for the cathode ray tube, which he called a "kinescope." This tube was a critical part of the transmission of moving pictures, helping to turn TV into an electronic invention.
If your HDTV isn’t picking up a certain channel from an antennae signal, don’t panic. First, if you know where the tower of the desired channel is, point both antennae in that direction. Also, don’t forget to perform a channel search on the TV, or the channel won’t be displayed.
That big flat screen television you plan to install in the man cave or den may turn out to be an energy hog. By some estimates, flat screen televisions use around 40 percent more energy than old style picture tube sets. The actual amount will vary depending on the manufacturer and the size of the unit.
With some television models, a humming noise when the unit is first powered up is common and normal. However, if the sound persists, this may be an indication that it’s time for repair. This may also be caused by elevated temperatures in the room.
Once the most popular types of TV in the world, the direct-view, or CRT screen, is much bulkier and heavier than flat screen models, though these sets are relatively inexpensive and do not require significant maintenance.
If you doubt the power of television to bring current events into living rooms large and small, here's a statistic that will change your mind: Michael Jackson's funeral was viewed by about 2.7 billion people via television.