{"id":3415,"date":"2017-09-29T13:34:38","date_gmt":"2017-09-29T13:34:38","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=3415"},"modified":"2018-10-09T18:09:39","modified_gmt":"2018-10-09T12:39:39","slug":"important-inventions-and-discoveries-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/important-inventions-and-discoveries-pdf\/","title":{"rendered":"Important Inventions and Discoveries PDF"},"content":{"rendered":"

Important Inventions and Discoveries PDF\u00a0covers the list of all Important Inventions and Discoveries of the world. This list gives important Inventions and Inventor name.<\/p>\n

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Download\u00a0Important Inventions and Discoveries PDF<\/a><\/p>\n

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List of Important Inventions and Discoveries:<\/strong><\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
#<\/strong><\/td>\nInvention\/Discovery<\/strong><\/td>\nInventor<\/strong><\/td>\n<\/tr>\n
1.<\/td>\nAnemometer<\/td>\nBattista<\/td>\n<\/tr>\n
2.<\/td>\nAmmeter<\/td>\nFriedrich Dexler<\/td>\n<\/tr>\n
3.<\/td>\nBarometer<\/td>\nEvangelista Torricelli<\/td>\n<\/tr>\n
4.<\/td>\nTelescope<\/td>\nHans Lippershey<\/td>\n<\/tr>\n
5.<\/td>\nMicroscope<\/td>\nHans Lippershey, Zacharias Janssen<\/td>\n<\/tr>\n
6.<\/td>\nGravity<\/td>\nSir Isaac Newton<\/td>\n<\/tr>\n
7.<\/td>\nMercury Thermometer<\/td>\nDaniel Gabriel Fahrenheit<\/td>\n<\/tr>\n
8.<\/td>\nElectrons<\/td>\nJ.J. Thomson<\/td>\n<\/tr>\n
9.<\/td>\nNeutrons<\/td>\nJames Chadwick<\/td>\n<\/tr>\n
10.<\/td>\nProtons<\/td>\nErnest Rutherford<\/td>\n<\/tr>\n
11.<\/td>\nDynamite<\/td>\nAlfred Nobel<\/td>\n<\/tr>\n
12.<\/td>\nRadium<\/td>\nMarie Curie and Pierre Curie<\/td>\n<\/tr>\n
13.<\/td>\nPenicillin<\/td>\nAlexander Fleming<\/td>\n<\/tr>\n
14.<\/td>\nAspirin<\/td>\nFelix Hoffman<\/td>\n<\/tr>\n
15.<\/td>\nBacteria<\/td>\nAntony van Leeuwenhoek<\/td>\n<\/tr>\n
16.<\/td>\nCholera Vaccine<\/td>\nWaldemar Haffkine<\/td>\n<\/tr>\n
17.<\/td>\nRubella Vaccine<\/td>\nMaurice Hilleman<\/td>\n<\/tr>\n
18.<\/td>\nHepatitis B Virus<\/td>\nBaruch Blumberg<\/td>\n<\/tr>\n
19.<\/td>\nHepatitis B Vaccine<\/td>\nPablo DT Valenzuela<\/td>\n<\/tr>\n
20.<\/td>\nPolio Vaccine<\/td>\nJonas Edward Salk<\/td>\n<\/tr>\n
21.<\/td>\nSmallpox Vaccine<\/td>\nEdward Jenner<\/td>\n<\/tr>\n
22.<\/td>\nAnthrax Vaccine<\/td>\nLouis Pasteur<\/td>\n<\/tr>\n
23.<\/td>\nPlague Vaccine<\/td>\nWaldemar Haffkine<\/td>\n<\/tr>\n
24.<\/td>\nX ray<\/td>\nWilhelm Rontgen<\/td>\n<\/tr>\n
25.<\/td>\nVitamin<\/td>\nCasimir Funk<\/td>\n<\/tr>\n
26.<\/td>\nInsulin<\/td>\nFrederick Banting and J J R Macleod<\/td>\n<\/tr>\n
27.<\/td>\nHIV<\/td>\nLuc Montagnier<\/td>\n<\/tr>\n
28.<\/td>\nWorld Wide Web<\/td>\nTim Berners Lee, Robert Cailliau<\/td>\n<\/tr>\n
29.<\/td>\nSmartphone (Simone)<\/td>\nIBM<\/td>\n<\/tr>\n
30.<\/td>\nJava Computing Language<\/td>\nJames Gosling<\/td>\n<\/tr>\n
31.<\/td>\nEmail<\/td>\nRay Tomlinson<\/td>\n<\/tr>\n
32.<\/td>\nC Programming<\/td>\nDennis Ritchie<\/td>\n<\/tr>\n
33.<\/td>\nLanguage<\/td>\nTed Hoff,Federico Faggin,and Stan Mazor<\/td>\n<\/tr>\n
34.<\/td>\nMicroprocessors<\/td>\nJerry Yang and David Filo<\/td>\n<\/tr>\n
35.<\/td>\nSolar System<\/td>\nNicolaus Copernicus<\/td>\n<\/tr>\n
36.<\/td>\nPlanets<\/td>\nGalileo Galilei<\/td>\n<\/tr>\n
37.<\/td>\nPrinting Press<\/td>\nJohannes Gutenberg<\/td>\n<\/tr>\n
38.<\/td>\nElectric Bulb<\/td>\nThomas Edison<\/td>\n<\/tr>\n
39.<\/td>\nAirplane<\/td>\nThe Wright Brothers<\/td>\n<\/tr>\n
40.<\/td>\nTelephone<\/td>\nAlexander Graham Bell<\/td>\n<\/tr>\n
41.<\/td>\nRadio<\/td>\nGuglielmo Marconi<\/td>\n<\/tr>\n
42.<\/td>\nCalculator<\/td>\nBlaise Pascal<\/td>\n<\/tr>\n
43.<\/td>\nTelevision<\/td>\nJohn Logie Baird<\/td>\n<\/tr>\n
44.<\/td>\nElectricity<\/td>\nBenjamin Franklin<\/td>\n<\/tr>\n
45.<\/td>\nTelegraph<\/td>\nPavel Schilling<\/td>\n<\/tr>\n
46.<\/td>\nTheory of Relativity<\/td>\nAlbert Einstein<\/td>\n<\/tr>\n
47.<\/td>\nAutomobile<\/td>\nFerdinand Verbiest<\/td>\n<\/tr>\n
48.<\/td>\nMagnetic Tape<\/td>\nFritz Pfluemer<\/td>\n<\/tr>\n
49.<\/td>\nPeriodic Table<\/td>\nDmitri Mendeleev<\/td>\n<\/tr>\n
50.<\/td>\nTransformer and Electric Motor<\/td>\nMichael Faraday<\/td>\n<\/tr>\n
51.<\/td>\nGeometry<\/td>\nEuclid<\/td>\n<\/tr>\n
52.<\/td>\nStructure of Atom<\/td>\nErnest Rutherford<\/td>\n<\/tr>\n
53.<\/td>\nHydrogen Bomb<\/td>\nEdward Teller<\/td>\n<\/tr>\n
54.<\/td>\nComputer Architecture\/Stored Program<\/td>\nJohn Von Neumann<\/td>\n<\/tr>\n
55.<\/td>\nNuclear Reactor<\/td>\nEnrico Fermi<\/td>\n<\/tr>\n
56.<\/td>\nSteam Engine<\/td>\nJames Watt<\/td>\n<\/tr>\n
57.<\/td>\nBattery<\/td>\nAlessandro Volta<\/td>\n<\/tr>\n
58.<\/td>\nDiesel Engine<\/td>\nRudolf Diesel<\/td>\n<\/tr>\n
59.<\/td>\nHelicopter<\/td>\nBroquet<\/td>\n<\/tr>\n
60.<\/td>\nGoogle<\/td>\nLarry Page<\/td>\n<\/tr>\n
61.<\/td>\nMozilla<\/td>\nDave Hyatt and Blake Ross<\/td>\n<\/tr>\n
62.<\/td>\nFacebook<\/td>\nMark Zuckerberg<\/td>\n<\/tr>\n
63.<\/td>\nTwitter<\/td>\nEvan Williams, Jack Dorsey, and Biz Stone<\/td>\n<\/tr>\n
64.<\/td>\nMicrosoft<\/td>\nBill Gates and Paul Allen<\/td>\n<\/tr>\n
65.<\/td>\nInternet<\/td>\nVint Cerf<\/td>\n<\/tr>\n
66.<\/td>\nEmail<\/td>\nShiva Ayyadurai<\/td>\n<\/tr>\n
67.<\/td>\nApple Computers<\/td>\nSteve Jobs<\/td>\n<\/tr>\n
68.<\/td>\nWorld Wide Web (WWW)<\/td>\nSir Tim Berners- Lee<\/td>\n<\/tr>\n
69.<\/td>\nIP Address<\/td>\nRobert E. Kahn<\/td>\n<\/tr>\n
70.<\/td>\nMicro Processor<\/td>\nFederico Faggin<\/td>\n<\/tr>\n
71.<\/td>\nArchimedes screw & Pi<\/td>\nArchimedes<\/td>\n<\/tr>\n
72.<\/td>\nPaper<\/td>\nCai Lun<\/td>\n<\/tr>\n
73.<\/td>\nDavy lamp<\/td>\nHumphrey Davy<\/td>\n<\/tr>\n
74.<\/td>\nComputer<\/td>\nCharles Babbage<\/td>\n<\/tr>\n
75.<\/td>\nPedal Bicycle<\/td>\nKirkpatrick Macmillan<\/td>\n<\/tr>\n
76.<\/td>\nPneumatic Tire<\/td>\nEdouard Michelin<\/td>\n<\/tr>\n
77.<\/td>\nAtomic Bomb<\/td>\nRobert Oppenheimera<\/td>\n<\/tr>\n
78.<\/td>\nMicrochip or Integrated circuit<\/td>\nRobert Noyce<\/td>\n<\/tr>\n
79.<\/td>\nBlood Groups<\/td>\nKarl Landsteiner<\/td>\n<\/tr>\n
80.<\/td>\nRaman Effect<\/td>\nSir C.V. Raman<\/td>\n<\/tr>\n
81.<\/td>\nMotion of Planets<\/td>\nJohannes Kepler<\/td>\n<\/tr>\n
82.<\/td>\nTheory of Evolution<\/td>\nCharles Darwin<\/td>\n<\/tr>\n
83.<\/td>\nStethoscope<\/td>\nRane Laennec<\/td>\n<\/tr>\n
84.<\/td>\nThermo Flask<\/td>\nDewar<\/td>\n<\/tr>\n
85.<\/td>\nCamera<\/td>\nSteven Sasson<\/td>\n<\/tr>\n
86.<\/td>\nFirst Modern Motor Car<\/td>\nKarl Benz<\/td>\n<\/tr>\n
87.<\/td>\nQuantum Theory of Radiation<\/td>\nPlank<\/td>\n<\/tr>\n
88.<\/td>\nJet Engine<\/td>\nFrank Whittle<\/td>\n<\/tr>\n
89.<\/td>\nCrescograph<\/td>\nJagdish Chandra Bose<\/td>\n<\/tr>\n
90.<\/td>\nPortland Cement<\/td>\nJoseph Aspdin<\/td>\n<\/tr>\n
91.<\/td>\nArtificial heart<\/td>\nPaul Winchell<\/td>\n<\/tr>\n
92.<\/td>\nOptical Fibre<\/td>\nNarinder Singh Kapany<\/td>\n<\/tr>\n
93.<\/td>\nRadioactivity<\/td>\nHenri Becquerel<\/td>\n<\/tr>\n
94.<\/td>\nNorth Pole<\/td>\nRobert Peary<\/td>\n<\/tr>\n
95.<\/td>\nGreen House Gases<\/td>\nJoseph Furier<\/td>\n<\/tr>\n
96.<\/td>\nNylon<\/td>\nWallace Carothers<\/td>\n<\/tr>\n
97.<\/td>\nLaser<\/td>\nTheodore Harold Maiman<\/td>\n<\/tr>\n
98.<\/td>\nRadar<\/td>\nHeinrich Hertz<\/td>\n<\/tr>\n
99.<\/td>\nFountain pen<\/td>\nWaterman<\/td>\n<\/tr>\n
100.<\/td>\nHomi J. Bhabha<\/td>\nCosmic rays and Quantum theory<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

IBPS Clerk free mock test 2018<\/a><\/p>\n

Questions from Previous Competitive Examinations:<\/u><\/strong><\/p>\n

Who invented bicycle?<\/p>\n

    \n
  1. Benjamin Franklin<\/li>\n
  2. John Dunlop<\/li>\n
  3. Alessandro Volta<\/li>\n
  4. K Macmillan<\/li>\n
  5. None of the above<\/li>\n<\/ol>\n

    Answer: D<\/p>\n

     <\/p>\n

    Who invented radio?<\/p>\n

      \n
    1. Alexander Graham Bell<\/li>\n
    2. J.L. Baird<\/li>\n
    3. G. Marconi<\/li>\n
    4. Benjamin Franklin<\/li>\n<\/ol>\n

      Answer: C<\/p>\n

      Who invented the “Dynamite”?<\/p>\n

        \n
      1. Alfred Nobel<\/li>\n
      2. Issac Newton<\/li>\n
      3. Einstein<\/li>\n
      4. None of the above<\/li>\n<\/ol>\n

        Answer: A<\/p>\n

         <\/p>\n

        _____ has invented the mechanical calculator for adding numbers.<\/p>\n

          \n
        1. Charles Babbage<\/li>\n
        2. Issac Newton<\/li>\n
        3. Pascal<\/li>\n
        4. Peano<\/li>\n
        5. E. F. Codd<\/li>\n<\/ol>\n

          Answer: C<\/p>\n

           <\/p>\n

          Who invented electric battery?<\/p>\n

            \n
          1. AndrE-Marie AmpEre<\/li>\n
          2. George Ohm<\/li>\n
          3. Alessandro Volta<\/li>\n
          4. Micheal Faraday<\/li>\n
          5. None of the above<\/li>\n<\/ol>\n

            Answer: C<\/p>\n

             <\/p>\n

            Who invented penicillin?<\/p>\n

              \n
            1. Alexander Fleming<\/li>\n
            2. Louis Pasteur<\/li>\n
            3. Dresser<\/li>\n
            4. Edward Jenner<\/li>\n<\/ol>\n

              Answer: A<\/p>\n

               <\/p>\n

              Who invented vaccination for ‘Small Pox’?<\/p>\n

                \n
              1. Sir Freedrick Grant Banting<\/li>\n
              2. Sir Alexander Fleming<\/li>\n
              3. Edward Jenner<\/li>\n
              4. Louis Pasteur<\/li>\n
              5. None of the above<\/li>\n<\/ol>\n

                Answer: C<\/p>\n

                 <\/p>\n

                The microchip was invented by<\/p>\n

                  \n
                1. INSDOC<\/li>\n
                2. BARC<\/li>\n
                3. IBM<\/li>\n
                4. Intel<\/li>\n<\/ol>\n

                  Answer: D<\/p>\n

                  Which of the following invented Algebra?<\/p>\n

                    \n
                  1. Meghatithi<\/li>\n
                  2. Bhaskara<\/li>\n
                  3. Apastamb<\/li>\n
                  4. Aryabhatta<\/li>\n
                  5. None of the above<\/li>\n<\/ol>\n

                    Answer: B<\/p>\n

                    100 Free General Knowledge Tests for SSC CHSL <\/a><\/p>\n

                    Who was the inventor of revolver??<\/p>\n

                      \n
                    1. Edward Hubble<\/li>\n
                    2. Albert Einstein<\/li>\n
                    3. Samuel Colt<\/li>\n
                    4. Avtomat Kalshnikova<\/li>\n<\/ol>\n

                      Answer: C<\/p>\n

                       <\/p>\n

                       <\/p>\n

                      Who invented Television?<\/p>\n

                        \n
                      1. J.L. Baird<\/li>\n
                      2. Lawrence<\/li>\n
                      3. Marconi<\/li>\n
                      4. Micheal Faraday<\/li>\n<\/ol>\n

                        Answer: A<\/p>\n

                         <\/p>\n

                         <\/p>\n

                        Which of the following is not true about Direct thermal printing?<\/p>\n

                          \n
                        1. Digital printing<\/li>\n
                        2. It utilizes thermochromic paper.<\/li>\n
                        3. It was invented in 1991.<\/li>\n
                        4. These printers are generally used in hospitals for ultrasound sonogram devices<\/li>\n
                        5. They consume less power and make less noise than dot matrix printers.<\/li>\n<\/ol>\n

                          Answer: C<\/p>\n

                          Explanation: They were invented in 1972.Thermal printing (or direct thermal printing) is a digital printing process which produces a printed image by selectively heating coated thermo chromic paper, or thermal paper as it is commonly known, when the paper passes over the thermal print head.<\/p>\n

                           <\/p>\n

                          Who invented the first metal movable-type printing system?<\/p>\n

                            \n
                          1. Amir Khusro<\/li>\n
                          2. Johannes Gutenberg<\/li>\n
                          3. Adolph Rickenbacker<\/li>\n
                          4. Bartolomeo Cristofori<\/li>\n<\/ol>\n

                            Answer: B<\/p>\n

                             <\/p>\n

                            Who invented the Barometer?<\/p>\n

                              \n
                            1. Galileo Galilei<\/li>\n
                            2. Evangelista Torricelli<\/li>\n
                            3. Friedrich Bremer<\/li>\n
                            4. Joseph Aspdin<\/li>\n<\/ol>\n

                              Answer: B<\/p>\n

                               <\/p>\n

                              Crescograph was invented by<\/p>\n

                                \n
                              1. S.N. Bose<\/li>\n
                              2. P.C. Roy<\/li>\n
                              3. J.C. Bose<\/li>\n
                              4. P.C. Mahalanobis<\/li>\n<\/ol>\n

                                Answer: C<\/p>\n

                                 <\/p>\n

                                Who invented the Jet Engine?<\/p>\n

                                  \n
                                1. Karl Benz<\/li>\n
                                2. Sir Frank Whittle<\/li>\n
                                3. Thomas Savery<\/li>\n
                                4. Michael Faraday<\/li>\n<\/ol>\n

                                  Answer: B<\/p>\n

                                   <\/p>\n

                                  Who among the following scientists invented Remote Control?<\/p>\n

                                    \n
                                  1. Nicola Tesla<\/li>\n
                                  2. Robert Adler<\/li>\n
                                  3. Eugene Polly<\/li>\n
                                  4. Steve Wozniak<\/li>\n
                                  5. None of these<\/li>\n<\/ol>\n

                                    Answer: A<\/p>\n

                                    As you have downloaded our Important Inventions and Discoveries PDF, also download our\u00a0National and International Awards 2017 PDF<\/a><\/p>\n

                                    Current Affairs Questions for Competitive exams PDF<\/a><\/p>\n

                                    Download GK Questions and Answers PDF<\/a><\/p>\n

                                    Daily Current Affairs – Today’s Quiz<\/a><\/p>\n

                                    Highly Rated GK App<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

                                    Important Inventions and Discoveries PDF\u00a0covers the list of all Important Inventions and Discoveries of the world. This list gives important Inventions and Inventor name. From SBI Clerk Previous papers we can see that every year questions are asked from this topic. So, this\u00a0Important Inventions and Discoveries PDF is very important for all latest govt jobs […]<\/p>\n","protected":false},"author":17,"featured_media":3420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[381,169,125,230],"tags":[174,45,163,170,159,48,142],"class_list":{"0":"post-3415","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-current-affairs","8":"category-downloads","9":"category-featured","10":"category-gk","11":"tag-banking-awareness","12":"tag-general-awareness","13":"tag-gk","14":"tag-gk-2017","15":"tag-ibps-gk","16":"tag-ibps-po","17":"tag-pdf"},"better_featured_image":{"id":3420,"alt_text":"Important Inventions and Discoveries PDF","caption":"Important Inventions and Discoveries PDF","description":"Important Inventions and Discoveries PDF","media_type":"image","media_details":{"width":640,"height":276,"file":"2017\/09\/Important-Inventions-and-Discoveries-PDF.jpg","sizes":{"thumbnail":{"file":"Important-Inventions-and-Discoveries-PDF-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-150x150.jpg"},"medium":{"file":"Important-Inventions-and-Discoveries-PDF-300x129.jpg","width":300,"height":129,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-300x129.jpg"},"td_80x60":{"file":"Important-Inventions-and-Discoveries-PDF-80x60.jpg","width":80,"height":60,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-80x60.jpg"},"td_100x70":{"file":"Important-Inventions-and-Discoveries-PDF-100x70.jpg","width":100,"height":70,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-100x70.jpg"},"td_218x150":{"file":"Important-Inventions-and-Discoveries-PDF-218x150.jpg","width":218,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-218x150.jpg"},"td_265x198":{"file":"Important-Inventions-and-Discoveries-PDF-265x198.jpg","width":265,"height":198,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-265x198.jpg"},"td_324x160":{"file":"Important-Inventions-and-Discoveries-PDF-324x160.jpg","width":324,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-324x160.jpg"},"td_324x235":{"file":"Important-Inventions-and-Discoveries-PDF-324x235.jpg","width":324,"height":235,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-324x235.jpg"},"td_324x400":{"file":"Important-Inventions-and-Discoveries-PDF-324x276.jpg","width":324,"height":276,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-324x276.jpg"},"td_356x220":{"file":"Important-Inventions-and-Discoveries-PDF-356x220.jpg","width":356,"height":220,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-356x220.jpg"},"td_356x364":{"file":"Important-Inventions-and-Discoveries-PDF-356x276.jpg","width":356,"height":276,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-356x276.jpg"},"td_533x261":{"file":"Important-Inventions-and-Discoveries-PDF-533x261.jpg","width":533,"height":261,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-533x261.jpg"},"td_534x462":{"file":"Important-Inventions-and-Discoveries-PDF-534x276.jpg","width":534,"height":276,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF-534x276.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0","keywords":[]}},"post":3415,"source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2017\/09\/Important-Inventions-and-Discoveries-PDF.jpg"},"yoast_head":"\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\n\n\n