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Steam engine
Thomas Savery Helps people get about -
Sewing machine
Elias Howe Helps make and fix clothes -
Telephone
Alexander GrahamBell To call others -
Electric lightbulb
Thomas Edison To give light -
Radio
Guglielmo Marconi To listen to music -
Submarine
T John Holland Military use for scouting vessels -
Television
John LogieBaird To watch stuff -
Penicillin
Alexander fleming To make people well -
Airplane
Orville&Wilbur Wright To travel -
Internet
Arpanet transition to tcp/ip To search things -
Mobile phone
Apple Portable way to contact others