The definition of a light bulb is a way to channel electricity into a light fixture.
Facts About the Light Bulb
- Thomas Edison didn't invent the light bulb; but, in 1880 he made it more practical and useful by using bamboo for the filaments to have high electrical resistance.
- In 1878 Joseph Swan developed a light bulb in England that used carbon paper instead of bamboo for the filaments.
- They formed a company, Edison-Swan United, which was one of the biggest producers of light bulbs in the world.
An example of a light bulb is the incandescent light used in a lamp.