Thomas Elva Edison(:
A light bulb
Light bulb, ballpoint pen, and telephone
Filament. Correct; made of tungsten wire in most incandescent bulbs.
incandescent
It didn't have a name. It was just called the light bulb. Thomas Edison invented it.
The Incandescent Lamp
He named his invention the Incandescent Lamp, But it's commonly referred to today as the Incandescent Light Bulb.
a filament
argon - inert gas
sun, electric bulb.
This light bulb does not produce heat and that is why it is given that name
light bulb laser head lights on car