Who invented the first engine-powered glider?
Wright Brothers
What is this invention?
microscope
The name of the inventor of Telephone
Alexander Graham Bell in 1876.
This machine allows people to transfer money or withdraw using a special card. One of its inventors is Vietnamese.
ATM (automated teller machine)
Who invented Air Conditioning?
Willis Carrier in 1902.
The Solar System was discovered by?
Copernicus
This invention allowed early humans to cook food, stay warm, and keep away wild animals. What was it?
Fire