WHO?
Who invented the electric light bulb ?
Thomas Edison
When was the radio invented?
1893
Where was the paper currency invented?
China
Who invented vaccination and pasteurisation?
Louis Pasteur
When was the steam enginge invented?
1698
The violin was invented in...
Italy
Who discover penicillin?
Alexander Fleming
When was the plane invented?
1903
The printing press was invented in ...
Germany
Who invented the telephone?
Alexander Graham Bell
When was the computer invented?
1938
The hot air balloon was invented in...
France
Who invented the alternating current electric system?
Nikola Tesla
When was the gunpowder invented?
9th century
Where was the refrigerator invented?
The United Kindom