Technological Breakthroughs of History - Light Bulb - G.L

Light Bulb

  • Who?

The famous american inventor Thomas Edison is credited with the invention of the light bulb, though he wasn’t the only one to contribute to the development, Joseph Swan and Hiram Maxim contribute for the materials to create this invention.

  • What?

The light bulb is a glass bulb inserted into a lamp or a socket in a ceiling, which provides an electric current through a fillament or a pocket of inert gas.


  • When?
Resultado de imagen para light bulb 1878


The development of the light bulb started in 1878 and the original desgin came out in October 4th in 1879.

  • Where?
Resultado de imagen para Edison's laboratory in Menlo Park

Edison and his team of researchers in Edison's laboratory in Menlo Park, N.J.

  • How?
Resultado de imagen para first design light bulb


Thomas Alva Edison experimented with thousands of different filaments to find the right materials to shine well and be durable. In 1879, Edison discovered that a carbon filament in a light bulb without oxygen glowed but did not burn for 40 hours. Edison finally produced a light bulb that could shine for more than 1500 hours.
  • Why?

Imagen relacionada

The light bulb was invented for the purpose of giving off light. It was designed to produce a more consistent, longer-lasting, higher quality light than that produced by oil or gas lamps, which were the standard means of lighting before electric light. In the long run, electric light also proved cheaper than oil and gas lighting.


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