In the mid-to late-1800s, the world was experiencing a scientific revolution. Phenomena that had never before been truly understood, such as light, heat, and radiation, were systematically unravelled, and by such great scientists as Henri Becquerel,...

A sealed tube within which there is a vacuum. At one end of the tube an electron gun emits a stream of electrons onto a fluorescent screen. Transverse electrostatic and magnetic fields control the direction of the electron stream such that the screen...

The cathode ray tube (CRT) is an evacuated glass envelope containing an electron gun (a source of electrons) and a fluorescent screen, usually with internal or external means to accelerate and deflect the electrons. When electrons strike the fluorescent...

Computer screens Down the tubes THE trusty cathode-ray tube has picked up a few tricks since it was invented at the end of the nineteenth century. Yet the tube, which works by shooting electrons from a gun on to a light-emitting phosphor...

From A Word from our Viewers: Reflection from Early Television Audiences (Praeger, 2008), by Ray Barfield, an English professor at Clemson University. The following recollection is from Jack French, whom Barfield calls a "prominent figure in 'golden age radio.' " In the late...

Japanese electronics maker Canon will take full control of a joint venture for flat panel TVs using a new technology called SED, the company said Friday, in a move aimed at an early settlement of a legal dispute in the United States.Canon Inc. will turn...

Japanese stocks fell 1.2 percent Friday for the sixth straight session, driven down by a news report that Mizuho Financial Group Inc. expected to postpone the planned merger of two brokerages.The Nikkei 225 average lost 188.15 points, or 1.19 percent, to finish at 15,583.42 on...