What is the filament in a light bulb made of?

The Filament - The filament inside a light bulb is made of tungsten because it has an unusually high melting point. Learn about the filament and find out how the filament emits light. read more

The filament in a light bulb is housed in a sealed, oxygen-free chamber to prevent combustion. In the first light bulbs, all the air was sucked out of the bulb to create a near vacuum-- an area with no matter in it. read more

An incandescent light bulb is made out of glass and metal. It is filled with an inert gas such as argon. This gas helps to slow down the deterioration of the metal filament. read more

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence). The filament is protected from oxidation with a glass or fused quartz bulb that is filled with inert gas or a vacuum. read more