The cathode ray tube, also known as CRT, was invented in the late 19th century. The first practical CRT was developed by German physicist Ferdinand Braun in 1897. Braun's invention revolutionized the way images could be displayed on a screen, paving the way for the development of television and computer monitors.
The cathode ray tube works by using a beam of electrons to create images on a phosphorescent screen. This technology was used in early television sets and computer monitors, producing sharp and clear images. CRT technology was the standard for display devices for many decades until the advent of flat-screen technology.
Today, CRTs are mostly obsolete, replaced by more modern display technologies such as liquid crystal displays (LCDs) and light-emitting diodes (LEDs). However, CRTs are still used in some specialized applications, such as medical equipment and vintage arcade machines.
For more information on the history and development of the cathode ray tube, you can visit the following websites:
Overall, the invention of the cathode ray tube was a significant milestone in the history of display technology. It laid the foundation for the development of modern television and computer monitors, shaping the way we interact with technology today.
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