Who invented the mobile phone?
Martin Cooper
Do you discover the laptop?
Bill Magrors
Who discovered the pen?
John Loud
Who invented the robot?
George Charles Devoll
Discover the motorcycle
Who?
Gottlie Delmar
Who invented the pistol?
Samuel Coult
Discover the helicopter
Who?
Igor Sikorsky
Who invented the power?
Michael Faraday
Who invented the rocket?
Robert Gordard
Discover the microphone
Who?
Abraham Horoscope