Discoveries and Inventions:
S.No. | Discovery/Invention | Scientist |
1. | Wireless Telegraphy | Marconi |
2. | Telephone | Graham Bell |
3. | Telescope | Galileo |
4. | Fountain Pen | Lewis E. Waterman |
5. | Revolver | Colt |
6. | Electric Bulb | Thomas Alva Edison |
7. | Calculating Machine | Pascal |
8. | Type Writer | Sholes |
9. | Helicopter | Brequet |
10. | Petrol Engine | Nicolas Otto |
11. | Diesel Engine | Rudolph Diesel |
12. | Gas Engine | Dailmer |
13. | Gramophone | Thomas Elva Edison |
14. | Microphone | Graham Bell |
15. | Pneumatic Tyre | Dunlop |
16. | Aero plane | Orville & Wilbur Wright |
17. | Motor Car | Austin |
18. | Steam Engine | James Watt |
19. | Magazine of gun | P.Von Mauser |
20. | X-rays | Wilhelm Rongten |
21. | Neutron | Chadwick |
22. | Electron | J.J.Thomson |
23. | Atomic Structure | Bohr |
24. | Railway Engine | Stephenson |
25. | Bicycle | Macmillan |
26. | Safety Razor | Gillete |
27. | Transistor | Shokley & Brattain |
28. | Stethoscope | Rene Laennec |
29. | Sewing Machine | Howe |
30. | Television | J. Baird |
31. | Steam turbine | Sir C. Parsons |
32. | Thermometer | Farenheit |
33. | Printing press | Johann Gutenberg |
34. | Radium | Madam Curie |
35. | Photographic film | Kodak |
36. | Military Tank | Swinton |
37. | Dynamite | Alfred Nobel |
38. | Submarine | David Bushnell |
39. | Jet Propulsion | Frank Whittle |
40. | Pasteurization | Louis Pasteur |
41. | Laws of Gravitation | Newton |
42. | Cinematography | Edison |
43. | Ball point pen | John J. Loud |
44. | Atom bomb | Robert Oppenheimer |
45. | Electric battery | Alessandro Volta |
46. | Homeopathy | Hahnemann |
47. | Insulin | F.Banting |
48. | Lift | Otis |
49. | Machine gun | James Puckle |
50. | Laws of motion | Newton |
51. | Radar | Robert Watson |
52. | Telegraph Code | Samuel Morse |
53. | Steam boat | Fulton |
54. | Radio transmitter | Alexanderson |
55. | Refrigerator | James Harisson & Alexander Catlin |
56. | Heart transplant | Christian Barnard |
57. | Car (Petrol) | Karl Benz |
58. | Carburetor | Gottlieb Daimler |
59. | Washing Machine | Alva. J. Fisher |
60. | Electric Iron | Henry W. Seeley |
61. | Laser | T. H. Maimah |
62. | Hydrogen Bomb | Edward Teller |
63. | Safety Match | John Walker |
64. | Microscope | Z. Janessen |
65. | Motor cycle | G. Daimler |
66. | Neutron bomb | Samuel Cohen |
67. | Optical Fiber | Narinder Kapany |
68. | Pencil | Jacques-Nicolas Conte |
69. | Transistor radio | Sony |
70. | Transformer | Michael Faraday |
71. | Watch | Bartholomew Manfredi |
72. | Bacteria | Leeuwenhock |
73. | Vaccination | Edward Jenner |
74. | Choloroform | James Simpson |
75. | Asprin | Dreser |
76. | Vitamin A | McCollum & M. Davis |
77. | Vitamin C | Froleich Holst |
78. | Vitamin D | McCollum |
79. | Vitamin B1 | Minot & Murphy |
80. | Pencillin | Alexander Fleming |
81. | Artificial Heart | Willem Kolff |