Science has made our lives simple and easier. We have come a long way from starting a fire a with flint stones to an age where everything is computerized. Such a change has been the result and hardwork and sometimes even accidental discoveries. Therefore it is important to know these invention for Exams such SSC CGL & SSC CHSL.

1Age of the EarthC.C. Patterson
2AirplaneWright Brothers (Orville and Wilbur)
3Analytical EngineThomas Edison
4Apple ComputersSteve Jobs
5Atomic NumberMosley
6AutomobileFerdinand Verbiest
7BarometerEvangelista Torricelli
8BatteryAlessandro Volta
9Blood GroupsKarl Landsteiner
10BohrElectron Theory
11BoyleBoyle’s Law
12CameraSteven Sasson
13CelluloidAlexander Parkes
15Computer ArchitectureJohn Von Neumann
16Cosmic RaysR.A. Millikan
17DaltonAtomic Theory
18Diesel EngineRudolf Diesel
19DynamiteAlfred Nobel
20Electric Light BulbThomas Edison
21ElectricityBenjamin Franklin
22Electromagnetic FieldJames Clerk Maxwell
23Electromagnetic TheoryHeinrich Hertz
24ElectronJ.J. Thomson
25EmailShiva Ayyadurai
26FacebookMark Zuckerberg
27First ComputerJohn Mauchly and J. Presper Eckert
28Fuel CellWilliam Robert Glove
30GoogleLarry Page
31GuitarAdolph Rickenbacker
33Heliocentric ModelNicolaus Copernicus
34HeliocentrismAristarchus of Samos
35Hydrogen BombEdward Teller
36InsulinFrederick Banting
37InternetVint Cerf
38IP AddressRobert E. Kahn
39Laser PrinterGary Starkweather
40Law of Conservation of MassAntoine Lavoisier
41Law of GasesGay Lussac
42Law of Motion & GravitationNewton
43Laws of Electrical ResistanceOhm
45Light Emission DiodeNick Holonyak and Oleg Losev
46LogarithmsJohn Napier
47Magnetic TapeFritz Pfluemer
48Micro ProcessorFederico Faggin
49Micro ScopeZacharias Janssen
50MicrosoftBill Gates and Paul Allen
51Microwave OvenPercy Spencer
52Mobile PhoneMartin Cooper
53Motion of PlanetsJohannes Kepler
54MozillaDave Hyatt and Blake Ross
55Newtons Law of MotionGalileo Galilei and Isaac Newton
56Nuclear ReactorEnrico Fermi
57PenicillinSir Alexander Fleming
58Periodic lawMendeleef
59Periodic TableDmitri Mendeleev
60PhotonAlbert Einstein
61Principle of relativityGalileo Galilei
62Printing PressJohannes Gutenberg
63Quantum MechanicsMax Born
64Quantum TheoryMax Plank, Niels Bohr, Albert Einstein
66RadiumMarie Curie
67Raman EffectSir C.V. Raman
68Steam EngineJames Watt
69StethoscopeRane Laennec
70Structure of AtomErnest Rutherford
71TelegraphPavel Schilling
72TelephoneAlexander Graham Bell
74TelevisionJ.L. Baird
75Theory of AtomJohn Dalton
76Theory of EvolutionCharles Darwin
77Theory of RelativityAlbert Einstein
78Thermo FlaskDewar
79ThermometerDaniel Gabriel Fahrenheit
80TransformerOtto Blathy
81Transformer and Electric MotorMichael Faraday
82TwitterEvan Williams, Jack Dorsey, and Biz Stone
83Venn DiagramJohn Venn
84Video Games         Ralph H. Baer
85Vierner ScalePierre Vernier
86World Wide Web (WWW)Sir Tim Berners- Lee
87X-raysWilhelm Conrad Rontgen

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