Aerosol can: Erik Rotheim Air brake: George Westinghouse Air conditioning: Willis Carrier Balloon hot-air: Joseph and Jacques Montgolfier Barometer: Evangelista Torricelli Bicycle: Karl D. von Sauerbronn Braille: Louis Braille Bullet: (conical) Claude Minié Camera: (hand-held) George Eastman “Canals” of Mars: Giovanni Schiaparelli Carpet sweeper: Melville R. Bissell Car radio: William Lear, Elmer Wavering Clock, pendulum: Christian Huygens Coca-Cola: John Pemberton Computers: Charles Babbage Cotton gin: Eli Whitney Dynamite: Alfred Nobel Electric lamp: (arc lamp) Sir Humphrey Davy Electromagnet: William Sturgeon Elevator: Elisha G. Otis E = mc2: Albert Einstein Fiber optics: Narinder Kapany, England, 1955. Frozen food: Clarence Birdseye, U.S., 1924. Gravitation, law of: Sir Isaac Newton Gyroscope: Léon Foucault Holograph: Dennis Gabor, England, 1947. Jet propulsion: (engine) Sir Frank Whittle Lens, bifocal: Benjamin Franklin Lightning rod: Benjamin Franklin Lock (cylinder) : Linus Yale, U.S., 1851. Machine gun: (hand-cranked multibarrel) Richard J. Gatling Match: (safety) J. E. Lundstrom | Microphone: Charles Wheatstone Microwave oven: Percy Spencer Motion pictures: Thomas A. Edison Motor, electric: Michael Faraday Motorcycle: (motor tricycle) Edward Butler Moving assembly line: Henry Ford Nuclear reactor: Enrico Fermi Oil well: Edwin L. Drake Parachute: Louis S. Lenormand Pen: (fountain) Lewis E. Waterman Periodic table: Dmitri Mendeleev Phonograph: Thomas A. Edison Printing: Johann Gutenberg, Radar: Christian Hulsmeyer Radioactivity: (X-rays) Wilhelm K. Roentgen Refrigerator: Alexander Twining Revolver: Samuel Colt Rubber: Charles Goodyear Safety pin: Walter Hunt “Scotch” tape: Richard Drew Sewing machine: Elias Howeark Steam engine: James Watt Steamship: Claude de Jouffroy d'Abbans Tank, military: Sir Ernest Swinton Telegraph: Samuel Morse Telephone: Alexander Graham Bell Telescope: Hans Lippershey Thermometer: (open-column) Galileo Galilei Tractor: Benjamin Holt Typewriter: Christopher Sholes & Carlos Glidden Vaccination: Edward Jenner World Wide Web: Tim Berners-Lee Zipper: W. L. Judson |