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Light Bulb, Thomas Alva Edison began researching electric lighting in 1878…
Light Bulb
Eletric Arc Lamp invented in 1802 by Humpry Davy, from England
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The first light bulbs were all "incandescent," which means they were made with a glass bulb or lamp that had all the air sucked out of it to create a vacuum (a space with very little or no air), and a very thin piece of metal (also known as a filament) held by an electrical circuit in this glass bulb. The wire is heated and begins to glow, producing light.
Light bulbs have a great impact on the second wave of the industrial revolution because they can provide light, and they can help the factories stay up late and produce more goods. Since it can produce more goods, it can meet the demands, but it can also harm the environment.
Thomas Alva Edison began researching electric lighting in 1878, when he bought a patent for a prototype lamp from a Canadian electrician, Henry Woodward, and began looking for ways to enhance the design.
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A simple electric light was invented in 1802 by an English scientist named Humphry Davy. He explored in electricity and built a circuit using a small battery. The carbon glowed when he connected cables to his battery with a piece of carbon between the wires. The Electric Arc Lamp was born from this circuit, but it burned too brightly and too quickly to be utilized in houses.
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Warren de la Rue, a British scientist, built a circuit similer to Davy's in 1840. He employed electrical cables and a battery, but instead of carbon he used a platinum filament that was tightly coiled. He placed the circuit inside a glass tube and vacuumed it to prevent the platinum from reacting with the air. This electric lamp lasted much longer than Davy's, but platinum was too expensive.
A physicist named Joseph Wilson Swan spent time in the 1850s experimenting with various glass chambers, vacuums, and metals to utilize as filaments. He was able to make a few 'functioning prototypes,' but he was never able to build a light bulb that was both long-lasting and inexpensive to make.
After two years of testing various methods and materials, Edison and his team discovered that using a carbon filament made of a substance like bamboo allowed his light bulbs to last up to 1200 hours without burning out.
This invention made light bulbs cheap enough to manufacture for domestic use almost immediately. In 1880, Thomas Edison founded The Edison Electric Light Company and began marketing the first commercially successful light bulb.
Even though the Edison light bulb was good and long lasting, the light bulb would still have problems, It is very inefficient, only about 10 percent of the power or energy gets turned into light. Even though that happens, it is still a popular brand of light bulbs used today because the materials used for the light bulb is easy to find.
The new light bulbs like the LED brand of light bulbs are more efficient and can convert more power or electricity into light.
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