Who invented papers?
Cai Lun ( or Ts'ai Lun) in AD 105
Tim Berners-Lee had a vision of a global hyperlinked information system. It became a reality in the late-1980's and 90's, linking the entire World.
The Internet (World Wide Web)
Who invented the first engine-powered glider?
Wright Brothers
The name of the inventor of Telephone
Alexander Graham Bell in 1876.
This invention allowed early humans to cook food, stay warm, and keep away wild animals. What was it?
Fire
This invention in 1439 allowed for books and newspapers to be easily made. What is it?
Printing press
What is this invention?
microscope
Who invented Air Conditioning?
Willis Carrier in 1902.
Sholes and Glidden invented the first commercially successful ____________ in 1878.
Typewriter
Who invented the mobile phone?
Martin Cooper.
Who was the first to aim a telescope to the sky?
Galileo Galilei
This machine allows people to transfer money or withdraw using a special card. One of its inventors is Vietnamese.
ATM (automated teller machine)
The Solar System was discovered by?
Copernicus