Air Brake ……………………………. George Westinghouse
Adding Machine ………………………………. Balise Pascal
Aeroplane …………………………………… Wright Brothers
Air Conditioner ……………………………………….. Carrier
Atom Bomb ………………………………………….. Otto Hahn
Aspirin …………………………………………………. Dreser
Alcohol Thermometer ………………………… …. Farenheit
Atomic Thermometer …………………………………… Bohr
Atomic Theory …………………………………………. Dalton
Atomic Number ………………………………………. Mosley
Atomic Structure ……………………… Bohr and Rutherford
Automobile …………………………………………… Daimler
Antiseptic Surgery ……………………… Lord Joseph Lister
Archimedean Screw …………………………… Archimedies
Avogadro’s Hypothesis …………………………… Avogadro
Ball Pen ………………………………………………….. Loud
Ballon ……………………………………………. Montogolfier
Blood Circulation …………………………………….. Harvey
B a r o m e t e r … … … … . . . … … … … … … … … … … … … . Torricelli
Bicycle …………………………………………… Macc Millan
Braily System …………………………………… Louis Braille
Beri – Beri ……………………………………………. Eijkman
Blood circulation ……………………………………… Harvey
Boson ………………………………………………. S.N.Bose
Boyle’s Law ……………………………………………… Boyle
Braille ……………………………………………. Louis Braille
Computer ………………………………….. Charles Babbage
Chloroform …………………………. James Young Simpson
Cinema ……………………………………. Lumiere Brothers
Cinema Projector ……………………… Thomas Alva Edison
Crescograph ……………………………. …………J.C. Bose
Celluloid ……………………………………………….. Parkes
Chloroform ……James Harrison and James Young impson
Choloera Bacillus ……………………………… Robert Koch
Coloured Photography ……………………………. Lippman
Cosmic Rays ……………………………………. R.A.Millikan
Cyclotron …………………………………………… Lawrence
Diesel Engine …………………………………. Rudolf Diesel
Dynamo ……………………………………. Michael Faraday
Dynamite ……………………………………… Alfered Nobel
Deuterium (Heavy Water) ………………………….. H.C.Urey
Diesel Oil Engine …………………………….. Rudolf Diesel
Discovery of Solar System ……………..Copernicus (1540)
Discovery of Specific Gravity ………………….. Archimedes
Electric Battery ………………………………………….. Volta
Electric Lamp ………………………………………….. Edison
Electricity …………………………………………….. Faraday
Electron Theory …………………………………………. Bohr
Electrical Waves ……………………………………….. Heitz
Electric Measurement ………………………………… Gauss
D D T … … … … … … … … … … … … … … … … … D r. Paul Muller
Electron ……………………………………. .. J.J. Thompson
Electric Lamp …………………………. Thomas Alva Edison
Elevator ………………………………………… Elisha G Otis
Fountain Pen ……………………………………… Waterman
Fahreheit Scale ………………………………….. Fahrenheit
Film & Photographic goods ………………………….. Kodak
Glider …………………………………………… George Cayley
Generator …………………………………………….. Piciontti
Gramaphone ……………………………Thomas Alva Edison
Gun Powder …………………………………….Roger Bacon
Geometry ………………………………………………………Euclid
Hydrogen ………………………………………….. Cavendish
Helicopter ……………………………………………. Broquett
Helium Gas …………………………………………… Lockyer
Homoeopathy ……………………………………Hahnemann
Hovercraft ……………………………………………. Cockrell
Hydrophobia ………………………………….. Louis Pasteur
Jet Engine …………………………………..Sir Frank Whittle
Intelligence Tests …………………………………………. Binet
Insulin ……………………………………………….. F.Banting
Induction of Electric Current ………………………… Faraday
Incandescent Bulb …………………………………… Edison
Induction Coil …………………………………….. Rohm Korff
Insulin ………………………………………………. F.Banting
Intelligence tgest ……………………………………….. Binet
Jet Propulsion ………………………………… Frank Whittle
Law of Gravitation ……………………………. Issac Newton
Law of Heredity ……………………………………… G.Mendal
Laser ……………………………………. Theodore Mainman
Lightning Conductor ……………………..Benjamin Franklin
Logarithm ……………………………………….. John Napier
Laughing Gas ………………………………………. Priestley
Life Boat …………………………………..Henry Great Head
Lift (Elevators) ……………………………………………… Otis
Linotype ………………………………………… Mergenthaler
Line of demarcation (ship) …………………………… Plimsoll
Laws of Electrical Resistance …………………………. Ohm
Law of Electrolysis …………………………………. Faraday
Law of gases ……………………………………. Gay Lussac
Law of Gravitation ……………………………………. Newton
Laws of Heredity …………………………… Gregory Mandel
Laws of Motion ……………………………………….. Newton
Laws of Natural Selections …………………………. Drawin
Laws of Multiple Proportion ………………………… Dalton
Liquid Oxygen …………………………………………. Dewar
Machine Gun ………………………….. Dr. Richard Gattling
Maser ……………………………………. Charles H. Townes
Microphone …………………………………….. Graham Bell
Measurement of Electrical Energy ……………. Joule, James
………………………………………………………………………Prescoft
Meson ………………………………………… Hideki Yakawa
Microscope ………………………………………………… Janes
Molecular Scattering of light in fluid. Ramanathan
N e o n G a s … … … … … … … … … … … … … … . . R a m s y, travers
Neutron …………………………………………….. Chadwick
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Nuclear Fission ……………….. Otto Hahn, Bohr and Fermi
Nyclon Plastic ……………………………………….Carothers
Oxygen …………………………………………… J.B. Preistly
Origin of Species …………………………… Charles Darwin
Parachute ………………………………………… A.J Garnerian
Pencillin …………………………………..Alexander Fleming
Photography (film) ………………………………John Carbutt
Periodic Law ………………………………………. Mendeleef
Phonograph ……………………………………………. Edison
Photonographic Shorthand …………………………… Pitman
Photograph ……………………………………….. Dauguerre
Principle of lever (S.P Gravity) ………………….Archimedes
Phototherapy …………………………………… N.R. Finseon
Positive Electrons …………………………………. Anderson
Powerloom …………………………………………. Cartwright
Pneumatic Tyre ……………………………………….. Dunlop
Printing press …………………………………………. Caxton
Printing Types …………………………….. John Guttenberg
Psycho –analysis ……………………….. Dr. Sigmund Freud
Rayond …………………………………….. Sir Joseph Swan
Radio-activity of Uranium ……………….. Henry Beccquerel
Raman effect …………………………………….. E.C Raman
Radium ……………………………………….. Madame Curie
Railway Engine ………………………………….. Stepheson
Radio transmitter …………………………….. Alexanderson
Rare Gas ………………………………………….. Cavandish
Replacing human heart …………………. Christian Barnard
Revolver …………………………………………………… Colt
Quantum Theory ………………………………….. Max Plank
Refrigerator …………………………………. James Harrison
Safety Lamp ………………………………….. Humphry Davy
Safety Match …………………………………….. Land Strom
Safety Pin ……………………………………….. William Hunt
Safety Razor ………………………………………….. Gillette
Sewing Machine …………………. Barthelling Thimonnier
Short Hand …………………………………………… Pitman
Solar System ……………………………………. Copernicus
Steam Engine …………………………………James Watt
Steam Turbine …………………………………….. Parsons
Spectroscope ……………………………………… Bunsen
Stethoscope………………………………….Rene Laennee
Submarine…………………………………. David Bushnell
Seismograph……………………………….. Roberts Mallet
Sexta n t … … … … … … … … … … … … … … . . . … … … . H a d l e y
Steam boat …………………………………………….. Fulton
Submarine …………………………………………. Bushwell
Talkies ………………………………………….. Le-de-Frost
Ta n k … … … … … … … … … … … … … … … … … … . . . S w i n t o n
Telegraphy …….. Willilam F.Colle & Charles Wheatstone
Telegraph Code ……………………………………… Morse
Telephone ……………………….. Alexander Graham Bell
Telescope ……………………………………………… Galileo
Television………………………………………….. J.J Baird
Thermosflask ………………………………………… Dewar
Transistor ………………………… Shockly and Bardeen
Ty p e w r i t e r … … … … … … … … … … … … … … … … … S h o l e s
Theory of Evolution ……………………. Charles Darwin
Theory of Relativity ……………………….. albert Einstein
Uranium fusion …………………………………..Oho Hahn
Uranus (Planet ) ………………………… Herschel William
Vaccination ……………………………. …………….Jenner
Vaccum Flask ………………………… Sir James Dewar
Vulcanisation……………………………………. Good Year
W ashing Soda …………………………………….. Lablane
Wireless Communication …………………… Oliver Lodge
W ireless Telegraphy …………………………….. Marcony
Wireless ……………………………………………. Marconi
X-ray …………………………………………. W.C.Rontgen
കേരള PSC സഹായി 