General Science
Inventions & Discoveris
Invention Year Inventor Country
Acetylene gas 1862 Berthelot France
Adding machine 1642 Pascal France
Adhesive tape,Scotch 1930 Richard Drew U.S.A.
Aeroplane 1903 Orville & Wilbur Wright U.S.A.
Air Conditioning 1902 Carrier U.S.A.
Airplane, jet engine 1939 Ohain Germany
Airship (non-rigid) 1852 Henri Giffard France
Aerosol spray 1926 Erik Rotheim Norway
Artificial Heart 1957 Willem Kolff Netherlands
Atomic Bomb 1945 J. Robert Oppenheimer U.S.A.
Atomic numbers 1913 Moseley Britain
Atomic theory 1803 Dalton Britain
Automatic rifle 1918 John Browning U.S.A.
Bakelite 1907 Leo H. Baekeland Belgium
Ballistic missile 1944 Wernher von Braun Germany
Balloon 1783 Jacques & Joseph Montgolfier France
Ball-Point Pen 1888 John J. Loud U.S.A.
Barometer 1644 Evangelista Torricelli Italy
Battery (Electric) 1800 Alessandro Volta Italy
Bicyle 1839-40 Kirkpatrick Macmillan Britain
Bicycle Tyres (Pneumatic)1888 John Boyd Dunlop Britain
Bifocal Lens 1780 Benjamin Franklin U.S.A
Bleaching Powder 1798 Tennant Britain
Milestones in Medicin
Discovery/Invention Year Discoverer/Inventor Country
Adrenaline 1894 Schafer and Oliver Britain
Anesthesia, Local 1885 Koller Austria
Anesthesia, Spinal 1898 Bier Germany
Anti-toxins (Science of Immunity) 1890 Behring & Kitasato Germany, Japan
Aspirin 1889 Dreser Germany
Bacteria 1683 Leeuwenhock Netherlands
Bacteriology 1872 Ferdinand Cohn Germany
Biochemistry 1648 Jan Baptista Van Helmont Belgium
Blood Plasma storage (Blood bank) 1940 Drew U.S.A. bank
Blood Transfusion 1625 Jean-Baptiste Denys France
Cardiac Pacemaker 1932 A, S. Hyman U.S.A.
CAT Scanner 1968 Godfrey Hounsfield Britain
Chemotherapy 1493-1541 Paracelsus Switzerland
Chloroform as anaesthetic 1847 James Simpson Britain
Chloromycetin 1947 Burkholder U.S.A.
Cholera T.B germs 1877 Robert Koch Germany
Circulation of blood 1628 William Harvey Britain
Cryo-Surgery 1953 Henry Swan U.S.A.
Diphtheria germs 1883-84 Klebs & Loffler Germany
Electro-Cardiograph 1903 Willem Einthoven Netherlands
Electro-encephalogram 1929 Hand Berger Germany