Telephone, Alexander Graham Bell, Light Bulb, Thomas Edison, Alternating Current System (AC), Nikola Tesla, Airplane, The Wright Brothers, Printing Press, Johannes Gutenberg, Radio, Guglielmo Marconi, Television, John Logie Baird, World Wide Web, Tim Berners-Lee, Steam Engine, James Watt, Vaccination, Edward Jenner, Dynamite, Alfred Nobel, Diesel Engine, Rudolf Diesel, Sewing Machine, Elias Howe, Telephone Exchange, Tivadar Puskás, Gramophone, Emile Berliner, Battery, Alessandro Volta, Penicillin, Alexander Fleming, Safety Elevator, Elisha Otis, Calculator, Blaise Pascal, Computer, Charles Babbage, Periodic Table, Dmitri Mendeleev, Motion Picture Camera, Thomas Edison, William Kennedy Laurie Dickson, Helicopter, Igor Sikorsky, Ballpoint Pen, László Bíró, Microwave Oven, Percy Spencer, Mechanical Clock, Yi Xing, Submarine, Cornelis Drebbel, Telegraph, Samuel Morse, Compass, Ancient Chinese Inventors, Paper, Cai Lun.
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Inventions
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