Chaitu Competitive Materials 📖📘📚: DISCOVERIES

Galileo was first to discover rotation of earth

• Kohler and Milstein discovered monoclonal antibodies.

• Photography was invented by Mathew Barry

• Albert Sabin invented Polio vaccine (oral)

• Dmitry Ivanovich Mendeleyev (Russian) published his first version of periodic table in

1869.

• X-ray machine was invented by James Clark

• Arthur Campton discovered x-rays and Cosmic rays.

• Chadwick discovered Neutron

• Telescope was invented by Galileo

• Penicillin was discovered by Alexander Fleming

• Noble gases discovered by Cavendish

• Gun powder was first invented in China

• Velocity of light was measured by Michelson

• Archimedes gave laws about Floatation of Bodies

• Balloon fly up in air according to Archimedes‘s principle

• Dr. Christian Bernard was first to perform heart transplant in 1967 in cape town(SA)

• First man to receive artificial heart was Dr. Barney B. Clark

• Barometer was invented by Pascal

• Robert Hook discovered Cell in 1665

• Aspirin discovered by Dresser

• Atomic theory given by Dalton

• Atomic number given by Mosley

• Bacteria by Leeunhock

• Blood circulation by William Harvey

• Calculus by Newton

Co2 by Fishcer

• Chlorine by K. Scheele

• Oxygen by Priestley

• Hydrogen by Cavandish

• Super conductor by Bendnorz and Muller in 1987 and were awarded Nobel Prize

• Cotton gin was invented by Eli Whitney.

• Chloroform by Guthrie

• Deuterium by Harlod

• Dynamite by Alfred B. Nobel

• DNA by Watson Crick

• Gene by Johanson

• Chromosomes by Waldyar

• Electric resistance by Ohm

• Electrolysis by Faraday

• Electron by J.J. Thomson in 1897

• Neutron by Chadwick

• Proton by Rutherford

• Positron by Anderson

• Ozone by Echonbein

• Planetary motion by Kepler

• Radioactivity by Bacquerel

• Radium by Currie

• Insulin by Banting & Best

• Human heart transplant by Bernard

• Vaccine (measles) by Peebles

• Vaccine (polio) by Salk

• Vaccine (rabies) by Louis Pasteur

• Vaccine (small pox) by Edward Jenner

• Cause of Malaria was discovered by Ronald Ross

• Adding machine invented by Pascal

• Atom Bomb by Otto Hahn

Air Brake by George Washington

• Air Conditioning by H. Carier

• Airplane (with motor) by Wright Bothers

• Airplane (jet engine) by Ohain

• Automobile (electric) by William Morrison

• Automobile (differential gear) by Benz

• Bakelite by Leo Hendricks Backland

• Balloon by Mont Golfer

• Barometer by Torricelli

• Bicycle (modern) by Starley

• Bifocal lens by Benjamin Franklin

• Burner (gas) by Bunsen

• Calculating machine (digital) by Charles Babbage

• Camera (photographic) by Josef N. Niepce

• Carburetor by Daimler

• Cement by Joseph Aspidin

• Circuit breaker by Hilliard

• Computer (electronic) by J.P.Eckert and J.W.Mauckly

• Diesel engine by Rudolf Diesel

• Digital camera was invented by Eastman Kodak.

• Gas engine by Daimler

• Electric fan by wheeler

• Electric flat iron by Henry Sealy

• Electric generator by Hippolyte Pixie

• Electric motor by Michael Faraday

• Motor A.C by Tesla

• Motor D.C by Devin Port

• Electric shaver by W.S. Hadaway

• Electric vaccum cleaner by James Spangler

• Electromagnet by William Sturgeon

• Electron Microscope by Vladimir Zwryin

Microscope (compound) by Janessen and Leeuhock

• Flying shuttle by Johan Kay

• Gun powder by Roger Bacon

• Gas engine (four cycle) by Otto and Daimler

• Helicopter by Sikorsky

• Interneral combustion engine by Daimler

• Jet engine by Frank Whittle

• Knitting Machine by William Lee

• Lamp (incadecent) by Thomas Edision

• Montgoflier invented balloon.

• Talbot invented photographic paper.

• Dickenson invented paper machine.

• Blanchard invented parachute.

• Colt‘s invention is pistol.

• Howe was the inventor of sewing machine.

• Lamp (mercury) by Hewit

• Laser (practical) by Gordon Gould

• Laser (operable) by T.H.Mainman

• Machine gun by Gatling

• Match (safety) by Pasch

• Microphone by Graham Bell

• Motion pictures (camera) by Edison

• Motor cycle by Daimler

• Motor scooter by Bradsha

• Parachute by Garnerin

• Pen (fountain) by Waterman

• Pen (ball-point) John Loud Biro

• Photoelectric cell by Julius Elster

• Piano by Christopher

• Printing press (screw type) by Guten Berg

• Radar by Watson Watt

Railway (electric) by Werner Siemens

• Razor safety by Gillette

• Razor (electric) by Jacob Schick

• Refrigerator by Ferdinand Carre

• Revolver by Samuel Solt

• Rifle by August Kotter

• Rifle (automatic) by John Moses Browning

• Rocket Engine by Goddard

• Safety pin by Walter Hunt

• Sewing Machine by Elias Howe and Thomas Saint

• Stainless steel by Herry Brearley

• Stream boat by Abbans

• Submarine by Holland

• Tank military by Swinton

• Telephone by Graham Bell

• Radio by Marconi

• Telescope (reflecting) by Galileo

• Telescope (refracting) by Newton

• Television (mechanical) by J.L. Baird

• Television (electric) by Fransworth

• Thermometer by Galilo

• Termomter (mercury) by Farhenheit

• Tractor by Robert Keeley

• Transformer by William Stanley

• Transistor by William Shockley

• Type writer by Henry Mill

• Washing machine (electric) by Alva Fisher

• Washing machine (manual) by Hamilton E. Smith

• Welding (electric) by E. Thomson

• Zipper (meshed tooth) by Gideon Sundback

• Celcius devised Centrigrade scale

Bacteria were discovered by Louis Pasture.

• Ramsay discovered inert gas.

• Proton was discovered by Goldstein

• Who is credited with the development of polio vaccine? Jonas Salk

• Christopher Cockerel invented what: Hovercraft

• The electric chair was invented by a dentist

• Bardeen and Brattin discovered Semiconductor

• What was invented by James Dewer in 1872: Vacuum or thermos flask

• Atom Bomb (Uranium Fission) was invented by Otto Hahn in 1941.

• Electron was discovered in 1897.

• Oxygen was discovered in 1774.

• Tomas A Edison was American.

• X-rays and Cosmic rays were discovered by Arthur Compton.

• Printing press was invented by Johann Gutenberg.

• Gramophone was invented by Emile Berliner.

• Blood pressure was discovered by William Harvey.

• Magnifying glass was invented by Roger Bacon.

• Insulin was discovered by Banting.

• Michael Faraday invented Electric Motor in belonged to England.

• ECG invented by Einthogen.

• Columbus Day is observed on 2nd Monday in October.

• In 1774 Oxygen was discovered by Priestly.

• In 1589 William Lee invented knitting machine.

• More than 2000 years ago a Roman Ruler Julius Caesar invented the calendar that we

use today.

• Lipstick was first introduced in 1915 in America.

• Zippers were introduced in 1890.

• China was discovered by Marco Polo.

• Sea route from Europe to India was discovered by Vasco-de-Gama.

• Canada was discovered by Jacques Cartier.

• Australia was discovered by William Jon zoon.

Parachute was invented by L.S Lenormand in 1783.

• Box Camera was invented by G.Eastman in 1988.

• Electric Generator was invented by Hippolyte Pixil in the year 1832. He belonged to

France.DISCOVERIES