Dear Readers, In this Article I provide All List of Important Inventions and Discoveries like Inventions and Discoveries in Science, in Biology and Medical science, in Physics, in Chemistry, etc with invention year, inventors and inventors country.
There are many numbers of Inventions and Discoveries in Science and Technology, but here we provide an important list of Inventions and Discoveries which are only based on competitive examination and also for study purpose which help to Aspirants for Railway JE, NTPC, SSC(CGL, MultiTasking), State PSU and all competitive exams. It is an important Science topic for competitive examination.
Other important Science topics for competitive examination are:
140+ List of Measuring Instruments and Their Uses
Study of Different Fields/Branches: PDF
410+ List of Chemical Names and formulas: All common Formulas
Table of Contents
List of Important Inventions and Discoveries for Competitive Exams
List of Inventions and Discoveries in Science
| Invention | Year | Inventor | Country |
| AC motor,
transformer, vacuum tube amplifier, Tesla coil, |
Nikola Tesla | 1880 | USA |
| Adding Machine | Blaise Pascal | 1642 | France |
| Adhesive tape | Richard G. Drew | 1923 | USA |
| Aeroplane | Orville & Wilbur Wright | 1903 | USA |
| Air Brake | George Westinghouse | 1872 | American |
| Air Conditioner | Willis Carrier | 1902 | USA |
| Air Pump | Otto Von Guericke | 1650 | Germany |
| Airplane (jet engine) | Ohain | 1939 | Germany |
| Airship (Non rigid) | Henri Giffard | 1852 | France |
| Airship (rigid) | G. Ferdinand Von Zeppelin | 1858 | Germany |
| Anemometer | Leon Battista Alberti | 1450 | Italian |
| Animation | Emile Reynaud | 1892 | France |
| Arc Lamp | C. F. Brush | 1879 | Ohio |
| Atom Bomb | Julius Robert Oppenheimer | 1945 | USA |
| Automatic Calculator | Wilhelm Schickard | 1623 | Germany |
| Automatic gearbox | Hermann Fottinger | 1985 | Germany |
| Automobile | Gottlieb Daimler | 1886 | Germany |
| Automobiles using gasoline | Karl Benz | 1886 | Germany |
| Bakelite | H. Backcland | 1907 | Belgium/US |
| Ball Point Pen | John J Loud | 1888 | USA |
| Balloon(Hot air) | Jacques and Joseph Montgolfier | 1783 | France |
| Balloon(Rubber) | Michael Faraday | 1824 | British |
| Band Aid | Earle Dickson | 1920 | USA |
| Barbed Wire | Joseph F. Glidden | 1873 | US |
| Barometer | Evangelista Torricelli | 1644 | Italy |
| Battery(Electric) | Alessandro Volta | 1800 | Italy |
| Bicycle Tyres | John Boyd Dunlop | 1888 | Scotland Britain |
| Bicycle | Kirkpatrick Macmillan | 1839 | Britain |
| Bifocal Lens | Benjamin Franklin | 1780 | USA |
| Binomial Nomenclature | Carl Linnaeus | 1785 | Swedish |
| Bleaching powder | Tennant | 1798 | Britain |
| Bomb | Edward Tellerm | 1952 | America/Hungeri |
| Braille | Louis Braille | 1829 | France |
| Bullet | Claude Minie | 1849 | France |
| Bunsen burner | R Willhelm von Bunsen | 1855 | Germany |
| Burglar Alarm | Edwin T. Holmes | 1851 | USA |
| Cadmium | Friedrich Stromeyer | 1817 | Germany |
| Calculating machine | Blaise Pascal | 1642 | French |
| Camera (KodaK) | Walker Eastman | 1888 | USA |
| Car (petrol) | Karl Benz | 1888 | Germany |
| Car (Steam) | Nicolas Cugnot | 1769 | France |
| Car Radio | William Lear & Elmer Wavering | 1929 | US |
| Carburetor | Gottlieb Daimler | 1876 | Germany |
| Cash Register | James Ritty | 1879 | USA |
| Cassette (Videotape) | Sony | 1969 | Japan |
| Cellophane | I.E. Brandenberger | 1900 | Switzerland |
| Celluloid | Alexander Parkes | 1861 | Britain |
| Cement(Portland) | Joseph Aspdin | 1824 | Britain |
| Centigrade Scale | Anders Celsius | 1742 | Sweden |
| Chemotherapy | Paul Ehrlich | 1940 | German |
| Child Development | Jean Piaget | 1936 | Swiss |
| Chlorine | Karl Wilhelm Scheele | 1774 | Sweden |
| Cinema | Nicolas &Jean Lumiere | 1895 | France |
| Cinematography | Thomas Alva Edison | 1880 | American |
| Circulation of blood | William Harvey | 1628 | England |
| Clock(Mechanical) | Hsing and Ling Tsan | 1725 | China |
| Clock(Pendulum) | Christian Huygens | 1656 | Netherlands |
| Compact disc player | Sony, Philips | 1979 | Japan, Netherlands |
| Compact disc | RCA | 1972 | USA |
| Computer (laptop) | Sinclair | 1987 | Britain |
| Computer (Mini) | Digital Corp | 1960 | USA |
| Cosmic Rays | R.A.Millikan | 1910 | America |
| Crescograph | Jagadish Chandra Bose | 1920 | India |
| Crystal Dynamics | C.V.Raman | 1921 | India |
| Dental Plate | Anthony A.Plantson | 1817 | USA |
| Deuterium (Heavy Water) | H.C.Urey | 1933 | America |
| Diesel Engine | Rudolf Diesel | 1895 | Germany |
| Disc Brake | Dr. F. Lanchester | 1902 | England |
| Dynamical theory of Heat | Lord Kelvin | 1848 | British |
| Dynamite | Alfred B. Nobel | 1867 | Sweden |
| Dynamo | Michael Faraday | 1831 | USA |
| Dynamo(Electrical) | Hypolite pixii | 1832 | France |
| Electric Battery | Alessandro Volta | 1800 | Italian |
| Electric computer | Dr Alan M Turing | 1824 | Britain |
| Electric Fan | Wheeler | 1882 | USA |
| Electric Generator | Michael Faraday | 1831 | UK |
| Electric Guitar | Adolph Rickenbacker | 1931 | America /Swiss |
| Electric Iron | Henry.W. Seeley | 1882 | U.S.A |
| Electric Lamp | Thomas Alva Edison | 1879 | USA |
| Electric motor (AC) | NikolaTesla | 1888 | USA |
| Electric motor (DC) | Zenobe gramme | 1873 | Belgium |
| Electric stove/cooker | William S. Hadaway | 1896 | USA |
| Electric washing machine | Alva J Fisher | 1906 | USA |
| Electromagnet | William Sturgeon | 1824 | Britain |
| Electromagnetic Induction | Michael Faraday | 1831 | UK |
| Electromagnetic theory of light & electromagnetic waves, electrical frequencies (Hz) | Heinrich Rudolph Hertz | 1880 | Germany |
| Electromagnet | William Sturgeon | 1824 | Britain |
| Electron | J J Thomson | 1897 | Britain |
| Electronic Calculator | IBM | 1954 | USA |
| Electroplating | Luigi Brugnatelli | 1805 | Italy |
| Electroscope | Jean Nollet | 1748 | France |
| Elevator | Elisha G. Otis | 1852 | USA |
| Evolution theory | Charles Darwin | 1858 | England |
| Facsimile machine | Alexander Bain | 1843 | Britain |
| Fibre optics | Kepany | 1955 | Britain |
| Film (Moving outline) | Louis Prince | 1885 | France |
| Film (Musical) | Warner Bros | 1923 | USA |
| Film (Talking ) | J Engl,J Mussole & H Vogt | 1922 | Germany |
| Film sound | Dr. Le de Forest | 1923 | U.S.A |
| Fluorine | Ferdinand Frederick Henri Moissan | 1886 | France |
| Fountain Pen | Lewis Edson Waterman | 1884 | USA |
| Galvanometer | Andre Marie Ampere | 1834 | France |
| Generator | Piciontti | 1860 | Italy |
| Glider | Sir George Calyey | 1853 | England |
| Gramophone | Thomas Edison | 1878 | USA |
| Gravity & Reflecting telescope | Isaac Newton | 1668 | England |
| Guillotin | Dr. Joseph Ignace Guillotin | 1790 | France |
| Gyrocompass | Elmer A. Sperry | 1908 | USA |
| Helicopter | Etienne Oehmichen | 1924 | France |
| Hot Air Balloon | Josef & Etienne Montgolfier | 1783 | France |
| Hovercraft | Christopher Cockerell | 1959 | England |
| Intelligence testing | Simon Binet | 1905 | France |
| Jet engine | Sir Frank Whittle | 1937 | Britain |
| Laser | Theodore Maiman | 1960 | USA |
| Launderette | J F Cantrell | 1934 | USA |
| Lift (Mechanical) | Elisha G Otis | 1852 | USA |
| Light Bulb | Heinrich Goebel | 1854 | Germany |
| Lightning Conductor | Benjamin Franklin | 1752 | USA |
| Locomotive | Richard Trevithick | 1804 | England |
| Logarithms, Napier Bones & decimal point | John Napier | 1590 | Scotland |
| Loudspeaker | Horace Short | 1900 | Britain |
| Machine gun | Richard Gatling | 1918 | Britain |
| Machine Gun | Richard Gaffing | 1861 | USA |
| Magnetic recoding tape | Fritz Pfleumer | 1928 | Germany |
| Microphone | Alexander Graham Bell | 1876 | USA |
| Microscope (Elect.) | Ruska Knoll | 1931 | Germany |
| Microscope(Electron) | Vladimir Kosme Sworykin | 1939 | Russia |
| Microscope(Comp.) | Zacharis Janssen | 1590 | Netherlands |
| Microwave Oven | Percy Spencer | 1947 | USA |
| Milling machine & cotton gin | Eli Whitney | 1793 | USA |
| Motor car, Petrol | Karl Benz | 1885 | Germany |
| Motor cycle | G Dimler | 1885 | Germany |
| Motor Scooter | Greville Bradshaw | 1919 | England |
| Motorcycle | Edward Butler | 1848 | England |
| Moving projector | Thomas Edison | 1893 | USA |
| North Pole | Robert Peary | 1909 | American |
| Optical fibre | Narinder Kapany | 1955 | Germany |
| Ozone | Christian Schonbein | 1839 | Germany |
| Pacemaker | Dr. Paul Zoll | 1952 | USA |
| Parachute | Jean Pierre Blanchard | 1785 | France |
| Pendulum Clock | Christian Huygens | 1657 | Netherlands |
| Phonograph | Thomas Edison | 1877 | USA |
| Photoelectric cell | Julius Elster, Hens F Geitel | 1893 | Germany |
| Photography (on film) | John Carbutt | 1888 | USA |
| Photography (on metal) | Joseph N Niepce | 1826 | France |
| Photography (on paper) | W. H. Fox Talbot | 1835 | Britain |
| Piano | Bartolomeo Cristofori | 1709 | Italy |
| Pistol , revolver | Colt | 1836 | USA |
| Pocket Watch | Peter Henlein | 1510 | Germany |
| Printing Press | Johannes Gutenberg | 1440 | Germany |
| Radar | Dr. Albert H. Taylor & Leo C. Young | 1922 | USA |
| Radio telegraphy | Dr Mohlon Loomis | 1864 | USA |
| Radio telegraphy (Trans Atlantic) | G Marconi | 1901 | Italy |
| Radiocarbon dating | Libby | 1947 | USA |
| Radio | Guglielmo Marconi | 1894 | Italy |
| Razor (Safety) | King C Gillette | 1895 | USA |
| Razor(Electric) | Col Jacob Schick | 1931 | USA |
| Refrigerator | James Harrison, Alexander Catlin | 1850 | Australia |
| Revolver | Samuel Colt | 1835 | USA |
| Richter Scale | Charles Richter | 1935 | USA |
| Rocket Engine | Robert H. Goddard | 1926 | USA |
| Rubber (Latex foam) | Dunlop Rubber Co | 1928 | Britain |
| Rubber (Tyres) | Thomas Hancock | 1846 | Britain |
| Rubber (vulcanized) | Charles Goodyear | 1841 | USA |
| Rubber (Waterproof) | Charles Macintosh | 1823 | Britan |
| Safety Lamp | Sir Humphry Davy | 1816 | England |
| Safety Match | J.E. Lundstrom | 1855 | Sweden |
| Safety Pin | William Hunt | 1849 | USA |
| Saxophone | Adolphe Sax | 1846 | Belgium |
| Sewing Machine | Elias Howe | 1846 | USA |
| Ship (Steam) | J.C Perier | 1775 | France |
| Ship (Turbine) | Charles Parsons | 1894 | Britain |
| Silicones | F.S Kipping | 1904 | England |
| Small Pox Vaccine | Edward Jenner | 1796 | England |
| Soft Contact lenses | Otto Wichterle | 1961 | Czech |
| Solar System | Nicolaus Copernicus | 1540 | Poland |
| South Pole | Roald Amundson | 1912 | Norway |
| Specific Gravity | Archimedes | 250BC | Greek |
| Steam Boat | John Fitch | 1786 | USA |
| Steam engine (Condenser) | James Watt | 1765 | Britain |
| Steam engine (Piston) | Thomas Newcomen | 1712 | Britain |
| Steam Engine | Thomas Savery | 1698 | Britain |
| Steam Powered Airship | Henri Giffard | 1852 | France |
| Steel(Stainless) | Harry Brearley | 1913 | Britain |
| Stethoscope | Rene Laennec | 1819 | France |
| Submarine | David Bushnell | 1776 | USA |
| Super computer | JH Van Tassel | 1976 | USA |
| Synthesizer | Dr. Robert Arthur Moog | 1964 | USA |
| Tank | Sir Emest D Swington | 1914 | Britain |
| Tape recorder | Fessenden Poulsen | 1899 | Denmark |
| Telegraph code | Samuel Morse | 1837 | USA |
| Telegraph | M Lammond | 1787 | France |
| Telephone (Imperfect) | Antonio Meucci | 1849 | Italy |
| Telephone (Perfected) | Alexander Graham Bell | 1876 | USA |
| Telephone (Cellular) | Bell Labs | 1947 | USA |
| Telescope | Hans Lippershey | 1608 | Netherlands |
| Television (Electronic) | PT Farnsworth | 1927 | USA |
| Television (Mechanical) | John Logie Baird | 1926 | Britain |
| Television(Colour) | John Logie Baird | 1928 | Britain |
| Thermometer | Galileo Gallei | 1593 | Italy |
| Thermos Flasks | James Dewar | 1892 | Scotland |
| Time Recorder | Harlow Bundy | 1890 | USA |
| Tractor | John Froelich | 1892 | America |
| Tractor (Caterpillar) | Benjamin Holt | 1900 | USA |
| Transformer | Michael Faraday | 1831 | Britain |
| Transformer (Induction coil) | William Stanley .Jr | 1842 | US |
| Transistor radio | Sony | 1955 | Japan |
| Transistors | John Bardeen, William Shockley & Walter Brattain | 1948 | USA |
| Tungsten | Juan José Elhuyar Lubize & Fausto de Elhuyar | 1783 | Spain |
| Typewriter | Peter Mitterhofer | 1864 | Austria |
| Vaccination | Edward Jenner | 1796 | England |
| Vacuum cleaner ( Elec.) | Spangler | 1907 | USA |
| Vacuum Cleaner | Ives McGuffey | 1869 | USA |
| Valve. Radio | Sir J.A Fleming | 1904 | Britain |
| Video tape | Charles Ginsberg | 1956 | USA |
| Vulcanised Rubber | Charles Goodyear | 1839 | American |
| Washing Soda | Lablanc | 1790 | American |
| Watch (Self Winding) | Abraham Louis Breguet | 1791 | France |
| Watch | Bartholomew Manfredi | 1462 | Italy |
| Waterproof Rubber | Charles Macintosh | 1823 | Glasgow |
| Welder (Electric Welding) | Elisha Thompson | 1877 | US |
| Windshield | wipersMary Anderson | 1903 | USA |
| Wireless (Telegrapy) | G Marconi | 1896 | Italy |
| Xerox Machine | Chester Carlson | 1928 | USA |
| Xray | Wilhelm Conrad Roentgen | 1895 | Germany |
| zerox machine | Chester Carlson | 1938 | America |
| Zip fastener | Whitcomb . L. Judson | 1893 | America |
| Zipper | B. F. Goodrich | 1923 | US |
Important Inventions and Inventors in Biology PDF
| Invention/Discovery | Name of the Inventor | Year of Invention |
| Anesthesia | William Thomas Green Morton. | 1846
|
| Anti- pregnancy pills | Goodwin Pincus | 1960 |
| Antiseptic Surgery | Dr.Joseph Lister | 1867 |
| Aspirin | Dr.Felix Hoffmann | 1899 |
| ATP | Karl Lohmann. | 1929 |
| Aureomycin | Benjamin | 1948 |
| Automated DNA Sequencer | Lloyd M.Smith. | 1986 |
| Bacteria | Antoine Van Leeuwenhoek | 1665 |
| Bacteria of leprosy | Gerhard Hansen | 1873 |
| Bacteria of typhoid | Joseph Eberth | 1880 |
| BCG Vaccine | Albert Calmette & Camille Guerin. | 1921 |
| Biology of Cancer | Robert A.Weinberge | 1982 |
| Blood Circulation | William Harvey | 1928 |
| Blood groups (ABO group) | Karl Landsteiner | 1927 |
| Calcium | Humphry Davy. | 1808 |
| Cancer | Percivall Pott | 1775 |
| Cell | Robert Hooke. | 1665 |
| Cell Theory | Schleiden and Schwann | 1839 |
| Cell Division | Hugo von Mohl | 1835 |
| Cell Division by meiosis | Oskar Hertwig | 1876 |
| Cell Nuclues | Robert Brown. | 1831 |
| Chloroform | James Simpson | 1847 |
| Chloromycetin | Paul Burkholder | 1947 |
| Chloroplast | Schimper. | 1880 |
| Chloroquine (drug) | Hans Andersag | 1934 |
| Cholera Bacteria | Robert Koch | 1883 |
| Cholera Vaccine | Waldemar Mordecai Haffkine | 1892 |
| Chromosomes | Hofmeister | 1848 |
| DDT | Paul Hermann Muller | 1939 |
| Diphtheria Bacteria | Edwin Klebs and Loffler | 1983-84 |
| DNA Helical structure | Watson & Crick. | 1952 |
| Electrocardiogram(ECG) | Willem Einthoven | 1895 |
| electroencephalography (EEG) | Hans Berger | 1929 |
| Enzyme | Anselme Payen | 1883 |
| Father Modern Ecology | Eugene Odum | 1953 |
| Father of Ecology | Alexander Von Humboldt | 1946 |
| Father of Evolution | Charles Darwin | 1858 |
| Father of Genetics | Gregor Mendel | 1865 |
| First test tube baby | Robert Edward & Patrick Steptoe | 1978 |
| Three Kingdom classification | Ernst Haeckel | 1860 |
| Five Kingdom classification | Robert H. Whittaker. | 1969 |
| Hormone | E. H. Starling & W. M. Bayliss secretin | 1902 |
| Genetic Code | Hargobind Kharana | 1960 |
| Heart Transplantation | Christiaan Barnard | 1967 |
| Hepatitis B vaccine | Pablo Valenzuela | 1986 |
| Hepatitis B virus | Dr. Blumberg | 1965 |
| HIV | Luc Montagnier | 1983 |
| Homeopath | Samuel Hahnemann | 1796 |
| Hydrophobia vaccination(Rabies) | Louis Pasteur | 1885 |
| Smallpox vaccine | Edward Jenner | 1796 |
| Insulin | Sir Frederick Banting and Best | 1923 |
| Kidney Dialysis | Willem Johan Kolff | 1943 |
| LSD(Lysergic Acid Diethylamide) | Albert Hofmann | 1938 |
| Malaria parasite | Ronald Ross | 1897 |
| Microbes | Antoine van Leeuwenhoek & Rober Hook. | 1665 |
| Microbes Of malaria | Charles Laveran | 1880 |
| Open Heart Surgery | C.Walton Lillehei | 1952 |
| Penicillin | Alexander Fleming | 1928 |
| Plague Vaccine | Waldemar Mordecai Haffkine | 1897 |
| Polio Drop | Albert Sabin. | 1961 |
| Polio Vaccine | Jones E. Salk | 1955 |
| Rabis & Anthrax Vaccination | Louis Pasteur | 1885 |
| Reserpine (drug) | Jal Vakil | 1952 |
| Rh- factor | Landsteiner and Wiener | 1940 |
| RNA | Watson and Arthur | 1961 |
| RNA Structure | Alexander Rich | 1956 |
| Virology(Science of Virus) | Dmitri Ivanovsky and Bejernick | 1892 |
| Small Fox | Edward Jenner (Father of vaccine) | 1796 |
| Spiral Structure of protein | Lines Pauling | 1951 |
| Stethoscope | Rene Laennec | 1816 |
| Streptomycin | Selman Waksman | 1944 |
| Structure of DNA | Watson and Crick | 1950 |
| TB Bacteria | Robert Koch | 1882 |
| Terramycin | Finlay and Hobby | 1949 |
| Treatment of beriberi | Christiaan Eijkman | 1897 |
| Treatment of diabetes | Joseph Mering andoskar Minkowski | 1889 |
| Treatment of kala azar | Upendra Nath Brahmachari | 1922 |
| Treatment of Syphilis | Paul Ehrlich | 1910 |
| Vaccination | Edward Jenner | 1796 |
| Virus | Dmitri Ivanovsky & Martinus Beijerinck | 1892 |
| Vitamin A | Mc Collum and Marguerite Davis | 1913 |
| Vitamin B | Mecollum and Casimir Funk | 1916 |
| Vitamin B1 | Christian Eijkman | 1897 |
| Vitamin B2 | D. T. Smith, E. G. Hendrick | 1926 |
| Vitamin B6 | Paul Gyorgy | 1934 |
| Vitamin C | Szent Gyorgyi | 1920 |
| Vitamin D | Edward Mellanby | 1920 |
| Vitamin E | Herbert McLean Evans and S. Bishop | 1922 |
| Vitamin k | Henrik Dam | 1929 |
| Vitamin Folic acid | Lucy Wills | 1928 |
| Vitamin Niacin | Conrad Elvehjem | 1937 |
| Vitamin | Casimir Funk & Hopkins | 1912 |
| X-ray | Voilhesm Rontgen. | 1895 |
List of Inventions and Discoveries in Chemistry
| Invention/Discovery | Name of Inventor | Year of Invention | Country |
| Atom | Democritus | 400BC | Danish |
| Atomic Number | Henry Mosley | 1913 | British |
| Atomic Physics | Ernest Rutherford | 1911 | British |
| Atomic Structure | Neils Bohr and Rutherford | 1913 | Denish & British |
| Atom/ Atomic Theory | John Dalton | 1808 | British |
| Bismuth | Claude Geoffroy | 1753 | France |
| Chemical Structure | August Kekule | 1958 | German |
| Chloroform | E. Soberran | 1831 | France |
| Coulomb | Charles Augustin de Coulomb | 1779 | French |
| Electromagnetic Induction | Michael Faraday | 1831 | British |
| Electron | J.J. Thomson | 1897 | British |
| Helium | William Ramsay | 1868 | Britain |
| Hydrogen bomb | Edward Teller | 1952 | USA |
| Hydrogen | Henry Cavendish | 1766 | England |
| Law of Motion | Isaac Newton | 1687 | British |
| Liquid Oxygen | Karol Olszewski and Zygmunt Wroblewski | 1883 | Polish |
| Neon Gas | WilliamRamsay, Morris Travers | 1898 | British |
| Neon Lamp | Georges Claude | 1810 | France |
| Neutron bomb | Samuel Cohen | 1958 | USA |
| Neutron | James Chadwick | 1932 | British |
| Nuclear Fission | Otto Hahn, Bohr and Fermi | 1938 | German /Danish/America |
| Nuclear Reactor | Enrico Fermi | 1942 | Italy |
| Nylon | Dr. Wallace H. Carothers | 1935 | USA |
| Ohm’s Law | Georg Simon Ohm | 1827 | German |
| Organic Chemistry | Friedrich Wohler | 1828 | German |
| Oxygen | Antoine Laurent Lavoisier, Joseph Priestley | 1775 | France |
| Periodic Table of Elements | Dmitri Mendeleev | 1869 | Russian |
| Photoelectric Effect | Heinrich Rudolf Hertz | 1905 | German |
| Photon | Albert Einstein | 1905 | German/USA |
| Proton | Ernest Rutherford | 1919 | British/Newzealand |
| Quantum theory | Max Planck | 1900 | German |
| Radio activity of Uranium | Henry Becquerel | 1896 | France |
| Radioactive Dating(Isotope of carbon) | Willard Libby | 1946 | America |
| Radioactivity | Henri Becquerel | 1896 | France |
| Radium | Marie & Pierre Curie | 1898 | France |
| Rayon | Sir Jaseph swan | 1883 | Britain |
| Relativity | Albert Einstein | 1905 | German/USA |
| Thermionic Emission | Thomas Edison | 1880 | America |
| Uranium Fission | Szilard Fermi | 1942 | USA (Atomic reactor) |
All list of Inventions and discoveries Download PDF
FAQ:-
Q.Who discovered the electron?
Ans- J J Thomson discovered electron in 1897.
Q.Who invented neutron?
Ans- James Chadwick invented neutron in 1932
Q.Who discovered the structure of RNA?
Ans-Alexander Rich discovered the structure of RNA.
Q.When was the binomial nomenclature invented?
Ans- In 1785 the binomial nomenclature was invented by Carl Linnaeus.
Q.Who discovered binomial nomenclature?
Ans- Carl Linnaeus discovered binomial nomenclature in 1785
Q.Who invented the first calculating machine?
Ans- Blaise Pascal invented the first calculating machine 1642.
Q.Who invented the first thermos flask?
Ans- In 1892 James Dewar invented the first thermos flask.
Dear, Aspirants if you have some more information regarding this article please leave a comment in the comment box. Thanks for reading….
