Inventions and Inventors
Telephone - Alexander Graham Bell
Dynamo - Michael Faraday
Television - John Logie Baird
Radar - Robert Watson Watt
LASER - Theodore maiman
Motor Cycle - Daimler
Radio transmitter - Marconi
Cathode Ray Tube - Ferdinand
Refrigerator - Karlvonlinde
Electric Light - Thomas Alva Edison
Dynamite - Alfred Nobel
Telegraph Code - Samuel Morse
Submarine - David Bushnell
Steam Engine - James Watt
Diesel Engine - Rudolf diesel
Printing Machine - Johannes Gutenburg
Electron Microscope - Max Knoll and Ernest Walton Ruska
Diode Valve - John Ambrose Fleming
Revolver - Colt
Type Writer - Sholes
Wireless Telegraphy - Marconi
Crescograph - J.C.Bose
Discoveries and Discoverers
Neutron - James Chadwick
Electron - Joseph John Thomson
Proton - Ernest Rutherford
Positron - Anderson
Sun centered solar system - Nicolaus Copernicus (Poland)
Moons of Jupiter - Galileo Galilei (Italy)
Black hole - Stephen Hawking
Law of Gravitation - Issac Newton (England)
Wave theory of Light - Christiaan Huygens
The Nature of lightning - Benjamin Franklin ( USA)
Electro magnetic Induction - Michael Faraday (England)
Laws of Electrolysis - Michael Faraday
X-Rays - Wilhelm Roentgen
Radioactivity - Henry Becquerel
Radium - Pierre and Marie Curie ( France )
Theory of Relativity - Albert Einstein ( Germany)
Expanding Universe - Edwin Hubble
Alpha and Beta particles - Ernest Rutherford
Quantum Theory - Max Planck
Photoelectric Effect - Albert Einstein
Nuclear fission - Otto Hahn
Uncertainty Principle - Heisenberg ( Germany )
Blood Circulation - William Harvey
Cholera Bacillus - Robert Koch
Cosmic Rays - R.A.Millikan
D.D.T. - Paul Muller
Deutrium (Heavy Water ) - Urey
Laws of Planetary Motion - Charles Darwin
Hydrogen - Cavendish
Insulin - F.Banting
Laughing Gas - Priestly
Logarithms - John Napier
Malarial Parasite - Ronald Ross
Oxygen - Priestly
Pencillin - Alexander Flemming
Letters for the blind - Braille
Heart Transplantation - Christian Barnard
Salk Vaccine - Jones Salk
Vaccine - Edward Jenner
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