Who invented radio?
Marconi
Torricelli
Gutenberg
Edison
Who Invented the First Adhesive Tape ?
Richard GurleyDrew
Alexander Graham Bell
James Rineose
Caresse Crosby
What did James Watt invent?
Diving bell
Steam boat
Hot air balloon
Rotary steam engine
Who invented penicillin ?
Ronald Ross
Charles Darwin
Alexander Fleming
Who invented fountain pen?
Waterman
Graham bell
Gillette
Who invented aeroplane ?
Orville Wright and Wilbur Wright
Dun lop
Who invented electric blub?
Laennec
John Baird
Thomas Alva Edison
What did Galileo invent?
Barometer
Pendulum clock
Microscope
Thermometer