The common incandescent light bulb will soon become a lot less common.
He has often told me that the light bulb came back on the day he started consuming medium-chain fatty acids.
The new material could be used to make a novel type of organic light bulb.
Most of that ends up as heat, so you warm a room as much as a bright light bulb.
Touching a picture of a light bulb lit up an actual bulb.
There is nothing else in the room-except a bare light bulb on the ceiling, well out of reach.
Second, the light bulb gives light in all directions so you only see a small part of the whole.
The same applies to as simple a thing as a light bulb.
They are to regular conductors what a laser beam is to a light bulb.
So you are better of using an efficient light bulb to generate light and an efficient heat source to generate heat.
British Dictionary definitions for light bulb
light bulb
noun
1.
a glass bulb containing a gas, such as argon or nitrogen, at low pressure and enclosing a thin metal filament that emits light when an electric current is passed through it Sometimes shortened to bulb