Alexander Graham Bell invented the...
telephone
This invention allowed people to communicate over far distances.
the telephone
This invention helped protect people from disease.
vaccination
This invention used radio waves to communicate information.
radio
John Baird invented the...
television
This invention transmits images and sounds through a screen.
television
This invention increased people's mobility and freedom.
the automobile
Johannes Gutenberg invented the...
printing press
Karl Benz invented the...
automobile
This invention allowed people to print many books quickly.
the printing press
Thomas Edison invented the...
light bulb
Guglielmo Marconi invented...
radio
This invention allowed people and products to move quickly over far distances.
airplane
This invention made longer work hours possible since people no longer had to rely on sunlight.
the light bulb
Orville and Wilbur Wright invented...
the airplane
Edward Jenner invented...
vaccination
John Atanasoff invented the...
computer
This invention transformed the business world.
the computer
This was first invented for military purposes, and then expanded to the purpose of communication among scientists.
the internet