Lightbulb: Difference between revisions

Latest revision as of 09:29, 17 April 2008

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+#REDIRECT [[Light bulb]]
-A '''lightbulb''', also known as an ''incandescent lamp'', is a [[glass]] bulb encasing a source of illumination.
-The light is created by an [[electricity|electric]] current passing through through [[wire]] to a [[metal]] filament, creating heat and ''incandescence'' (bright light).
-Experimentation with incandescent lamps began in the early 19th Century.  [[Thomas Alva Edison|Thomas Edison]] is credited with "inventing the lightbulb"--that is, [[patent|patenting]] an improved, commercially-viable lightbulb.