Who Invented the Light Bulb?
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Elizabeth Palermo, LiveScience Contributor   |   February 15, 2014 12:25am ET

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Thomas Edison is usually credited with the invention of the light bulb, but the famous American inventor wasn’t the only one who contributed to the development of this revolutionary technology. Many notable figures are also remembered for their work with electric batteries, lamps and the creation of the first incandescent bulbs.

Early research & developments

The story of the light bulb begins long before Edison patented the first commercially successful bulb in 1879. In 1800, Italian inventor Alessandro Volta developed the first practical method of generating electricity, the voltaic pile. Made of alternating discs of zinc and copper — interspersed with layers of cardboards soaked in salt water — the pile conducted electricity when a copper wire was connected at either end. While actually a predecessor of the modern battery, Volta’s glowing copper wire is also considered…………… continues on LiveScience.com

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