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  1. #1
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    Smile Science for you

    Who invented the fountain pen ?
    Waterman
    Who was the inventor of ballpoint pen ?
    John J Loud
    Who is the inventor of refrigerator ?
    James Harrison
    Who invented the motor cycle ?
    Edward Butler
    Who invented the electric bulb ?
    Thomas Alva Edison
    Who invented the atom bomb ?
    Otto Hahn
    Who invented the electric fan ?
    S Wheeler
    Who invented the safety pin ?
    Walter Hunt
    Who is the inventor of jet aircraft ?
    Frank Whittle
    Who invented the aeroplane ?
    Orville White and Willbur Wright

  2. #2
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    Smile Science for you

    Who invented the bicycle tyres ?
    John Boyd Dunlop
    Who invented the microscope ?
    Zacharis Janseen
    Who invented balloon ?
    Montgolfier
    Who invented the telescope ?
    Hans Lippershey
    Who invented the thermos flask ?
    James Dewar
    Who invented the knitting machine ?
    William Lee
    Who invented pressure cooker ?
    Denis Pepin
    Who invented the revolver ?
    Samuel Colt
    Who invented television ?
    J L Baird
    Who is known for the invention of the helicopter ?
    Brequet

  3. #3
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    Smile Science for you

    Who invented the Mercury Thermometer ?
    Gabriel Fahrenhiet
    Who invented the Electric Motor ?
    Nikola Tesla
    Who invented the Video Tape ?
    Charles Ginsberg
    Who invented the Arc Lamp ?
    W E Stalte
    Who invented Transistor Radio ?
    Sir Robert Watson Watt
    Who invented Barometer ?
    Torricelli
    Who invented Type Writer ?
    Scholes
    By whom Military Tank invented ?
    Sir Ernest
    Who invented Gramophone ?
    Marconi
    Who invented the Technique Of Slow Motion filming ?
    Lucien Bull And Henri Nogues
    Who invented Machine Gun ?
    Gatling
    Who invented the Automobile ?
    Macmillian

  4. #4
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    Smile Science for you

    Who is the inventor of Dynamite ?
    Alfred Nobel
    Who invented the Blasting Gelatin ?
    Alfred Nobel
    Who invented the Spectacles ?
    Unknown Optician
    Who is credited with the invention of Lenses ?
    Zeiss
    Who invented Alarm Clock ?
    Antonie Radier
    Who invented the Kodak Camera ?
    George Eastman
    Who invented the Wrist Watch ?
    Louis Carties
    Who invented Radio Telephone ?
    Lee De Forest
    Who invented Passenger Lift ?
    Elisha Otis
    Who invented Movie Projector ?
    Le Roy

  5. #5
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    Smile

    Who invented Railway Engine ?
    Stephenson
    Who formulated Telegraph Code ?
    Samuel F B Morse
    Who invented Stethoscope ?
    Laennec
    Who invented the Cardiac Stimulator or The Pace-maker ?
    Ake Senning
    Who invented the Antenna ?
    Alexander Popov
    Who invented Polarizing Sun glasses ?
    Dr. Edwin Land
    Who invented Glider ?
    Sir George Cayley
    Who invented Turbine ?
    Charles Parson
    Who invented Parachute ?
    Andre Jacques Garnerin
    Who discovered the laws of Gravitation ?
    Sir Issac Newton

  6. #6
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    Smile Science for you

    Who discovered the Third Law of Thermodynamics ?
    H H Nernst
    Who was the inventor of rotary type of printing ?
    Richard Hoe
    Who discovered artificial Radioactivity ?
    Frederick Joliot Curie
    Who discovered the laws of floating bodies ?
    Archimedes
    Who discovered Neon lamp?
    George Claude
    Who discovered Cosmic rays ?
    Milikan
    Who discovered the Telephone Dial ?
    Antine Bavray
    Who discovered the Magnetic Unit Gauss ?
    Friedrich Gauss
    Who discovered the Unit Of Magnetic Intensity ?
    Hans Oersted
    Who discovered Frequency Modulating ?
    Edwin Armstrong

  7. #7
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    Smile Science for you

    Who discovered the laws of Electrical resistance ?
    Ohm

    Who discovered the principles of Lever ?
    Archimedes
    Who discovered Current electricity ?
    Volta
    Who is known as the Father of Indian missile technology ?
    Dr A P J Abdul Kalam
    Who is known for his Mathematical theory of Electricity ?
    Sir JJ Thomson
    Who is called the Father of Photography ?
    S H Sharp
    Who is the Father of Automobile ?
    Gottlieb Daimler
    Who is said to be the Father of Steam Engine ?
    James Watt
    Who is considered to be the Father of Cybernetics ?
    Norbert Wiener
    Who is known as the father of Photography ?
    Gabriel Lipman

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