| Invention | Year | Inventor | country |
|---|---|---|---|
| Acetylene Gas | 1862 | Berthelot | France |
| Adding machine | 1642 | Pascal | France |
| Adhesive tape, Scotch | 1930 | Richard Drew | USA |
| Aeroplane | 1903 | Orville & Wilbur Wright | USA |
| Air conditioning | 1902 | Carrier | USA |
| Aeroplane, jet engine | 1939 | Ohain | Germany |
| Airship(non-rigid) | 1852 | Henri Giffard | France |
| Aerosol spray | 1926 | Erik Rotheim | Norway |
| Artificial heart | 1957 | William Kolff | Netherlands |
| Atomic bomb | 1945 | J Robert Oppenheimer | USA |
| atomic numbers | 1913 | Moseley | Britain |
| atomic theory | 1803 | Dalton | Britain |
| automatic rifle | 1918 | John Browning | USA |
| Bakelite | 1907 | Leo H Baekeland | Belgium |
| ballistic missile | 1944 | Wernher von Braun | Germany |
| balloon | 1783 | Jacques & Joseph Montgolfier | France |
| ballpoint pen | 1888 | John J loud | USA |
| barometer | 1644 | Evangelista Torricelli | Italy |
| battery(electric) | 1800 | Alessandro Volta | Italy |
| bicycle | 1839-40 | Kirkpatrick Macmillan | Britain |
| bicycle tyres(pneumatic) | 1888 | John Boyd Duniop | Britain |
| bifocal lens | 1780 | Benjamin Franklin | USA |
| bleaching powder | 1798 | Tennant | Britain |
| Bunsen Burner | 1855 | R. Willhelm von Bunsen | Germany |
| burglar alarms | 1858 | Edwin T. Holmes | USA |
| calculus | 1670 | Newton | Britain |
| camera, Kodak | 1888 | Walker Eastman | USA |
| canned food | 1804 | Appert | France |
| Car(Steam) | 1769 | Nicolas Cugnot | France |
| car(Petrol) | 1888 | Karl Benz | Germany |
| Carburettor | 1876 | Gottlieb Daimler | Germany |
| Cassette, Audio | 1963 | Philips co. | Holland |
| Cassette videotape | 1969 | Sony | Japan |
| Celluloid | 1861 | Alexander Parkes | Britain |
| Cement (Portland) | 1824 | Joseph Aspdin | Britain |
| Chemotheraphy | 1909 | Ehrlich | Germany |
| Chronometer | 1735 | John Harrison | Britain |
| Cinema | 1895 | Nicolas and Jean Lumiere | France |
| Clock (Mechanical) | 1725 | I Hsing & Liang Ling Tsan | China |
| Cloning, DNA | 1973 | Boyer, Cohen | USA |
| Cloning, mammal | 1996 | Wilmut, et al | UK |
| Compact disc | 1972 | RCA | USA |
| Compact disc player | 1979 | Sony, Philips co | Japan, Netherlands |
| Computer, laptop | 1987 | Sinclair | Britain |
| Computer,mini | 1960 | Digital corp | USA |
| Crossword puzzle | 1913 | Arthur Wynne | USA |
| CT Scan | 1973 | Hounsfield | Britain |
| Diesel engine | 1895 | Rudolf Diesel | Germany |
| Disc brakes | 1902 | Dr. F Lanchester | Britain |
| Disc, video | 1972 | Phillips co | Holland |
| DNA, structure | 1951 | Crick-UK,Watson-US,Wilkins-UK | -- |
| Dynamo | 1832 | Hypolite Pixii | France |
| Electric flat iron | 1882 | H.W. Seeley | USA |
| Electric lamp | 1879 | Thomas alva Edison | USA |
| electric motor (DC) | 1873 | Zenobe Gramme | Belgium |
| Electric motor (AC) | 1888 | Nikola Tesla | USA |
| Electric iron | 1882 | Henry W.Seely | USA |
| Electric washing machine | 1906 | Alva J Fisher | USA |
| Electromagnet | 1824 | William Sturgeon | Britain |
| Electron | 1897 | Thomson J | Britain |
| Electroplating | 1805 | Luigi Brugnatelli | Italy |
| Electronic computer | 1824 | Dr Alan M turning | Britain |
| Facsimile machine | 1843 | Alexander Bain | Britain |
| Fibre-optics | 1955 | Kepany | Britain |
| Film (moving outlines) | 1885 | Louise Prince | France |
| Film (talking) | 1922 | J. Engl, J.Mussolle & H Vogt | Germany |
| Film (musical sound) | 1923 | Dr Le de forest | USA |
| Floppy disk | 1970 | IBM | USA |
| Frequency modulation | 1933 | EH Armstrong | USA |
| Frisbee | 1948 | Fred Morrisson | USA |
| Fountain pen | 1884 | Lewis E. Waterman | USA |
| Galvanometer | 1834 | Andre-Marie Ampere | France |
| Glider | 1853 | Sir George Cayley | Britain |
| Gramophone | 1878 | Thomas Alva Edison | USA |
| Helicopter | 1924 | Etinne Oehmichen | France |
| HIV | 1984 | Martagnier | France |
| Holography | 1947 | Denis Gason | Britain |
| Hydrogen bomb | 1952 | Edward Teller | USA |
| Intelligence testing | 1905 | Simon Binet | France |
| Jet engine | 1937 | Sir Frank Whittle | Britain |
| Laser | 1960 | Theodore Maiman | USA |
| Launderette | 1934 | J.F. Cantrell | USA |
| Lift (mechanical) | 1852 | Elisha G Otis | USA |
| Lightning conductor | 1752 | Benjamin Franklin | USA |
| Locomotive | 1804 | Richard Trevithick | Britain |
| Logarithms | 1614 | Napier | Britain |
| Loom, power | 1785 | E cartwright | Britain |
| Loudspeaker | 1900 | Horace Short | Britain |
| Machine gun | 1718 | Richard Gatling | Britain |
| Magnetic recording tape | 1928 | Fritz Pfleumer | Germany |
| Match, safety | 1826 | John Walker | Britain |
| Microphone | 1876 | Alexander Graham Bell | USA |
| Microprocessor | 1971 | Robert Noyce & Gordon Moore | USA |
| Microscope,comp | 1590 | Z.Janssen | Netherlands |
| Microscopes, elect | 1931 | Ruska Knoll | Germany |
| Microwave oven | 1947 | Percy LeBaron Spencer | USA |
| Motorcycle | 1885 | G. Daimler | Germany |
| Movie projector | 1593 | Thomas Edison | USA |
| MRI | 1971 | Damadian | USA |
| Neon lamp | 1910 | George Claude | France |
| Neutron | 1932 | Chadwick | Britain |
| Neutron bomb | 1958 | Samuel Cohan | USA |
| Nylon | 1937 | Dr Wallace H Carothers | USA |
| Optical fibre | 1955 | Narinder Kapany | Germany |
| Paper | AD 105 | - | China |
| Pacemaker | 1952 | Zoll | USA is |
| Pasteurization | 1867 | Lewis Pasteur | France |
| Pencil | 1792 | Lacques Nicolas Conte | France |
| Periodic table | 1869 | Mendeleyev | Russia |
| Photocopier | 1938 | Carlson | USA |
| Photoelectric cell | 1893 | Julius Elster, Hans F Geitel | Germany |
| Photo film, celluloid | 1893 | Reichenbach | USA |
| Photo film, transparent | 1884 | Goodwin Eastman | USA |
| Photography (on metal) | 1826 | J.N. Niepce | France |
| Photography (on paper) | 1835 | W.H. Fox Talbot | Britain |
| Photography (on film) | 1888 | John Carbutt | USA |
| Piano | 1709 | Cristofori | Italy |
| Pistol, revolver | 1836 | Colt | USA |
| Plutonium fission | 1940 | Kennedy, whal,Seaborg,Segre | USA |
| Pop-up toaster | 1927 | Charles Strite | USA |
| Printing press | 1455 | Johann Gutenberg | Germany |
| Printing (rotatory) | 1846 | Richard Hoe | USA |
| Printing (Web) | 1865 | William Bullock | USA |
| Proton | 1919 | Rutherford | New Zealand |
| Quantum theory | 1900 | Plank | Germany |
| Radar | 1922 | AH Taylor and Leo C Young | USA |
| Radiocarbon dating | 1947 | Libby | USA |
| Radio telegrapy | 1864 | Dr Mohlon Loomis | USA |
| Radio telegrapy (trans Atlantic) | 1901 | G Marconi | Italy |
| Rayon | 1883 | Sir Joseph Swan | Britain |
| Razor (electric) | 1931 | Col Jacob Schick | USA |
| Razor (safety) | 1895 | King C Gillette | USA |
| Refrigerator | 1850 | James Harrison, Alexandre catlin | USA |
| Relativity theory | 1905 | Einstein | Germany |
| Rubber (latex foam) | 1928 | Dunlop Rubber Co. | Britain |
| Rubber (Tyres) | 1846 | Thomas Hancock | Britain |
| Rubber (Vulcanised) | 1841 | Charles Goodyear | USA |
| Rubber (waterproof) | 1823 | Charles Macintosh | Britain |
| Safety pin | 1849 | Walter Hunt | USA |
| Safety razor | 1903 | King camp Gillette | USA |
| Seatbelt | 1959 | Volvo | Sweden |
| Self-starter | 1911 | Charles F Kettering | USA |
| Ship (steam) | 1775 | IC Perier | France |
| Ship (turbine) | 1894 | Hon Sir C Parson | Britain |
| Silk manufacture | 50 BC | - | China |
| Skyscraper | 1882 | W Le Baron Jenny | USA |
| Slide rule | 1621 | William Oughtred | Britain |
| Spinning frame | 1769 | Sir Richard Arkwright | Britain |
| Spinning Jenny | 1764 | JamesHargreaves | Britain |
| Spinning Mule | 1779 | Samuel Crompton | Britain |
| Steam Engine | 1698 | Thomas Savery | Britain |
| Steam Engine(Piston) | 1712 | Thomas Newcomen | Britain |
| Steam Engine(Condenser) | 1765 | James Watt | Britain |
| Steel(Stainless) | 1913 | Harry Brealey | Britain |
| Stethoscope | 1819 | Laennec | French |
| Submarine | 1776 | David Bushnell | USA |
| Super Computer | 1976 | J.H Van Tassel | USA |
| Synthesiser | 1964 | Moog | USA |
| Tank | 1914 | Sir Emest D Swington | Britain |
| Tape recorder | 1899 | Fessenden Poulsen | Denmark |
| Telegraph | 1787 | M Lammond | France |
| Telegraph code | 1837 | Samuel FB Morse | USA |
| Telephone, cellular | 1947 | Bell Labs | USA |
| Telephone (imperfect) | 1849 | Antonio Meucci | Italy |
| Telephone (perfected) | 1876 | Alexander Graham Bell | USA |
| Telescope | 1608 | Hans Lippershey | Netherlands |
| Television (mechanical) | 1926 | John Logie Baird | Britain |
| Television (electronic) | 1927 | P.T Farnsworth | USA |
| Television, colour | 1928 | John Logie Baird | Britain |
| Transformer | 1831 | Michael Faraday | Britain |
| Transistor | 1948 | Bardeen, Shockley & Brattain | USA |
| Transistor radio | 1955 | Sony | Japan |
| Uranium fission, atomic reactor | 1942 | Szilard Fermi | USA |
| Vacuum cleaner | 1907 | Spangler | USA |
| Videotape | 1956 | Charles Ginsberg | USA |
| Velcro(hook-and-loop-fastner) | 1948 | Geprges de Mestral | Switzerland |
| Washing machine(elec) | 1907 | Hurley Machine co | USA |
| Watch | 1462 | Bartholomew Manfredi | Italy |
| Welder (electric) | 1877 | Elisha Thomson | USA |
| Windmill | 600 | Persian corn grinding | - |
| Wireless (telegraph the) | 1896 | G Marconi | Italy |
| x-ray | 1895 | W.K Roentgen | Geremany |
| Zip Fastener | 1891 | W.L Judson | USA |
HEALTH BENEFITS OF MANGO Mango the king of fruits is very delicious and you can't resist mango. Besides being tasty and delicious this fruit is is full of health benefits as it contains different varieties of nutrients which are beneficial for human beings. Mango is a tropical fruit and you can find almost thousand thousand different varieties of it. It is amazing how nature has awarded human beings with this amazing fruit in so many different forms and varieties. In this article we are going tell you about the the different nutritious aspect of mango. 1. Full of calories and carbohydrates - Mango is one of the good natural source of carbohydrates and fibres. There are 200 calories in one mango so so if you are looking to gain some weight then it would be a good way of doing it. 2. Antioxidant and anticancer properties - Mango is a rich source of phenolic compounds such as magniferin. Phenolic compounds have great antioxidant properties and it in some ...
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