Adhesive tape was invented by Richard G. Drew, in the year 1923.

Air Conditioner was invented by Willis Carrier, in the year 1902.

Airplane was invented by Wilber and Orville Wright, in the year 1903.

Airplane was invented by The Wright brothers (Orville and Wilbur Wright), in the year 1903.

Anemometer was invented by Leon Battista Alberti, in the year 1450.

Animation was invented by J. Stuart Blackton.

Artificial heart was invented by Robert Jarvik, in the year 1982.

Artificial intelligence was invented by John McCarthy, Marvin Minsky, Allen Newell, and Herbert A. Simon, in the year 1956.

Aspirin was invented by Dr. Felix Hoffman, in the year 1899.

Atomic bomb was invented by J. Robert Oppenheimer and team, in the year 1945.

Automatic Calculator was invented by Wilhelm Schickard, in the year 1623.

Automobile was invented by Karl Benz, in the year 1886.

Ball Point Pen was invented by John Loud .

Barbed Wire was invented by Joseph F. Glidden, in the year 1873.

Barometer was invented by Evangelista Torricelli, in the year 1643.

Bicycle Tyres was invented by John Boyd Dunlop, in the year 1888.

Bifocal Lens was invented by Benjamin Franklin, in the year 1779.

Black holes was discovered by John Michell and Albert Einstein, in the year 1783 and 1916, respectively.

Blood Group was invented by Karl Lansdsteiner, in the year 1900s.

Celluloid was invented by Alexander Parkes, in the year 1861.

Centigrade Scale was invented by Anders Celsius, in the year 1742.

Chlorine was discovered by Carl Wilhelm Scheele, in the year 1774.

Chloroform was invented by Sir James Young Simpson.

Cine Camera was invented by Wm. Friese-Greene, in the year 1889.

Circulation of blood was discovered by William Harvey, in the year 1628.

Clock Mechanical was invented by Hsing and Ling-Tsan, in the year 1725.

Continental Drift was discovered by Alfred Wegener, in the year 1912.

Cosmic Microwave Background Radiation was discovered by Arno Penzias and Robert Wilson, in the year 1965.

Dark Energy was discovered by Saul Perlmutter, Brian P. Schmidt, and Adam G. Riess, in the year 1998.

Dark Matter was discovered by Fritz Zwicky, in the year 1933.

Diesel Engine was invented by Rudolf Diesel, in the year 1895.

DNA was discovered by James Watson and Francis Crick, in the year 1953.

Dynamite was invented by Alfred B. Nobel, in the year 1867.

Electric Battery was invented by Volta, in the year 1800.

Electric Fan was invented by Schuyler Wheeler, in the year 1882.

Electric Motor (DC) was invented by Thomas Davenport, in the year 1873.

Electric stove/cooker was invented by William S. Hadaway, in the year 1896.

Electromagnet was invented by William Sturgeon, in the year 1824.

Electroscope was invented by William Gilbert, in the year 1600s.

Elevator was invented by Elisha G. Otis, in the year 1852.

Evolution by natural selection was discovered by Charles Darwin, in the year 1859.

Exoplanets was discovered by Aleksander Wolszczan and Dale Frail, in the year 1992.

Film was invented by George Eastman, in the year 1888.

First Black Hole Merger was discovered by LIGO Scientific Collaboration, in the year 2015.

First Gravitational Lens was discovered by J. H. Oort and F. Zwicky, in the year 1937.

First Supermassive Black Hole was discovered by Maarten Schmidt, in the year 1963.

Fluorine was invented by Andr?-Marie Amp?re, in the year 1810.

Fountain Pen was invented by Petrache Poenaru, in the year 1827.

Genetic engineering was invented by Paul Berg, in the year 1972.

GPS was invented by Roger L. Easton, Ivan A. Getting, and Bradford Parkinson, in the year 1978.

Gramophone was invented by Thomas Edison, in the year 1878.

Gravitational Waves was discovered by LIGO Scientific Collaboration, in the year 2015.

Greenhouse Effect was discovered by Joseph Fourier, John Tyndall, and Svante Arrhenius, in the year 1824, 1861, and 1896, respectively.

Helicopter was invented by Igor Sikorsky, in the year 1939.

Helium was discovered by Jules Janssen, in the year 1868.

Higgs Boson was discovered by Peter Higgs and Fran?ois Englert, in the year 2012.

Hot Air Balloon was invented by Josef & Etienne Montgolfier, in the year 1783.

Hovercraft was invented by Christopher Cockerell, in the year 1959.

Hydrogen was discovered by Henry Cavendish, in the year 1766.

Insulin was discovered by Sir Frederick Banting, in the year 1923.

Jet Engine was invented by Hans Von Ohain, in the year 1936.

Laser was invented by Theodore Maiman, in the year 1960.

Light Bulb was invented by Thomas Edison, in the year 1854.

Lightning Conductor was invented by Benjamin Franklin, in the year 1752.

Locomotive was invented by George Stephenson, in the year 1804.

Machine Gun was invented by Richard Gatling, in the year 1861.

Microphone was invented by Alexander Graham Bell, in the year 1876.

Microscope was invented by Zacharias Janssen and Hans Janssen, in the year 1590.

Microwave oven was invented by Percy Spencer, in the year 1945.

Mobile phones was invented by Martin Cooper, in the year 1973.

Motorcycle was invented by Gottlieb Daimler, in the year 1885.

MRI was invented by Raymond Damadian, in the year 1977.

Neon Lamp was invented by Georges Claude, in the year 1915.

Nuclear power was discovered by Enrico Fermi and team, in the year 1942.

Oxygen was discovered by Joseph Priestley, in the year 1774.

Ozone was discovered by Christian Schonbein, in the year 1839.

Ozone Hole was discovered by Joe Farman, Brian Gardiner, and Jonathan Shanklin, in the year 1985.

Pacemaker was invented by Rune Elmqvist, in the year 1952.

Parachute was invented by Louis-Sebastien Lenormand, in the year 1783.

Pedal Driven Bicycle was invented by Kirkpatrick Macmillan, in the year 1839.

Penicillin was invented by Alexander Fleming, in the year 1928.

Periodic Table was invented by Dmitri Mendeleev, in the year 1869.

Petrol for Motor Car was invented by Karl Benz, in the year 1885.

Photography was invented by Joseph Nic?phore Ni?pce, in the year 1826.

Piano was invented by Bartolomeo Cristofori, in the year 1700.

Plate tectonics was propounded by Alfred Wegener, in the year 1912.

Polio Vaccine was invented by Jonas Edward Salk, in the year.

Printing Press was invented by Johannes Gutenberg, in the year 1440.

Quantum mechanics was discovered by Max Planck, Werner Heisenberg, Erwin Schr?dinger, Paul Dirac, in the year 1900-1930s.

Radar was invented by Robert Watson, in the year 1935.

Radio was invented by Guglielmo Marconi, in the year 1895.

Radioactivity was discovered by Marie Curie, Pierre Curie, and Henri Becquerel, in the year 1896-1898.

Radium was invented by Marie & Pierre Curie, in the year 1898.

Refrigerator was invented by Jacob Perkins, in the year 1834.

Richter Scale was invented by Charles Richter, in the year 1935.

Rocket Engine was invented by Robert H. Goddard, in the year 1926.

Rubber (vulcanized) was invented by Charles Goodyear, in the year 1841.

Saxophone was invented by Adolphe Sax, in the year 1846.

Sewing Machine was invented by Elias Howe, in the year 1846.

Ship (Turbine) was invented by Charles Parsons, in the year 1894.

Soft Contact lenses was invented by Otto Wichterle, in the year 1961.

Steam Boat was invented by Robert Fulton, in the year 1786.

Steam engine was invented by James Watt, in the year 1765.

Steam Ship was invented by Robert Fulton, in the year 1807.

Steam-Powered Airship was invented by Henri Giffard, in the year 1852.

Stethoscope was invented by Rene Laennec, in the year 1816.

Submarine was invented by Cornelis Drebbel, in the year 1620.

Superconductivity was invented by Heike Kamerlingh Onnes, in the year 1911.

Synthesizer was invented by Dr. Robert Arthur Moog, in the year 1964.

Telephone was invented by Alexander Graham Bell, in the year 1876.

Telescope was invented by Hans Lippershey, in the year 1608.

Television was invented by Philo Farnsworth, in the year 1927.

The Big Bang theory was propounded by Georges Lema?tre, in the year 1927.

The Electron was discovered by J.J. Thomson, in the year 1897.

The laws of thermodynamics was discovered by Sadi Carnot, James Prescott Joule, Rudolf Clausius, in the year 1824-1865.

The Neutron was discovered by James Chadwick, in the year 1932.

The periodic table was discovered by Dmitri Mendeleev, in the year 1869.

The Proton was discovered by Ernest Rutherford, in the year 1917.

The structure of DNA was discovered by James Watson and Francis Crick, in the year 1953.

The theory of relativity was discovered by Albert Einstein, in the year 1905-1915.

Theory of Evolution was invented by Charles Darwin, in the year 1858.

Thermometer was invented by Galileo, in the year 1593.

Transistors was invented by John Bardeen, William Shockley & Walter Brattain, in the year 1948.

Typewriter was invented by Christopher Latham Sholes.

Vaccines was invented by Edward Jenner, in the year 1796.

Vacuum Cleaner was invented by Hubert Cecil Booth, in the year 1901.

Valve. Radio was invented by Sir J.A Fleming, in the year 1904.

Virtual reality was invented by Ivan Sutherland, in the year 1968.

Windshield wipers was invented by Mary Anderson, in the year 1903.

World Wide Web was invented by Tim Berners Lee with Robert Cailliau?, in the year 1989.

Xerox Machine was invented by Chester Carlson, in the year 1928.

X-ray was invented by Wilhelm Conrad Roentgen, in the year 1895.