The light bulb is one of the most important inventions of the 19th century. Thanks to him, it was possible to illuminate both residential houses, and shops, or production halls. This extended the working and production times, and it has improved the quality of life in homes. Until then, only oil lamps or oil-powered lamps were used. However, they were less efficient, gave less light, and the flame was a fire hazard.
The light bulb was invented by Thomas Alva Edison in 1879 year. His bulb had a glass bowl, and a bamboo filament, or carbon fiber. Today, however, we cannot imagine, so that our bulbs contain bamboo. W 1907 Year Irving Languir perfected the Edison bulb. It replaced bamboo with tungsten, he filled the glass bulb with argon.
How the light bulb works?
The operation of the bulb is not complicated. The current flows through the wires to the tungsten wire. In connection with, that tungsten does not conduct electricity, the wire glows brightly. And after what argon, be krypton? Does it improve the brightness of the bulb? NO, this gas creates a specific atmosphere, which delays the burnout of thin wire.