This invention allowed people to print many books quickly.
the printing press
Johannes Gutenberg invented the...
printing press
This invention made longer work hours possible since people no longer had to rely on sunlight.
the light bulb
Thomas Edison invented the...
light bulb
This invention increased people's mobility and freedom.
the automobile
Karl Benz invented the...
automobile
This invention allowed people to communicate over far distances.
the telephone
Alexander Graham Bell invented the...
telephone
This invention used radio waves to communicate information.
radio
Guglielmo Marconi invented...
radio
This invention transmits images and sounds through a screen.
television
John Baird invented the...
television
This invention helped protect people from disease.
vaccination
Edward Jenner invented...
vaccination
This invention transformed the business world.
the computer
John Atanasoff invented the...
computer
