WebNov 22, 2013 · In the 19th century, two Germans -- glassblower Heinrich Geissler and physician Julius Plücker -- discovered that they could produce light by removing almost all of the air from a long glass tube and passing …
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Incandescent light bulb - Wikiwand
How does a lightbulb actually work? - BBC
Lightbulb | device | Britannica
Weblightbulb, electric incandescent lamp based on a glowing metallic filament enclosed within a glass shell filled with an inert gas such as nitrogen. See incandescent lamp; lamp. This article was most recently revised and …
History of the Lightbulb | Department of Energy
Who really invented the light bulb? - BBC Science …
WebThe light bulb is one of the most iconic inventions in history, but who deserves the credit for it? Find out how different inventors contributed to the development of this revolutionary device, and how it changed the world …