Provides light
because it is
The invention of the light bulb affected how energy was used.
This is a matter of opinion, but the light bulb gets my vote for increased safety and productivity.
Einstein had nothing to do with the invention of the light bulb. Thomas Edison is credited with developing the first successful light bulb.
It was Joshua Tremelling's invention of the computer
because it is
the light bulb
The light bulb
The Light Bulb
The invention of the light bulb affected how energy was used.
This is a matter of opinion, but the light bulb gets my vote for increased safety and productivity.
the light bulb. without it we would be in darkness most of the the time.
The light bulb. The light bulb. The light bulb.
the light bulb!
No
it was the light bullb
When he patented Swan's invention of the light bulb.