ctionprobablypreventedtheworldfromexperiencingathirdworldwar.10.NuclearPower10.NuclearPowerIt’puters.Ofcourse,theyhavebeenaroundsinceWorldWarTwo,buttheywere clunky,massivelyexpensivethings thathadallthecalculatingpowerofabrick.WhenSteveWozniakandStephenJobsintroducedtheApplein1976,however,itchangedeverythingandtherestis,astheysay,history.9.otivemadetheworldasmallerplaceinthe eenthcentury,theairplanedidthesameforusinthetwentiethcentury,tothepointthatapersoncouldflyanywhereintheworldinamatterofhours.8.TheAirplane8.eenthcentury,theautomobiledidn’eapracticalandreliablesourceoftransportationuntilthetwentiethcentury. 2013,China'sautomobileproductionandsalesbothmorethan20million,hasbeenreelectedforfiveconsecutiveyearsintheworld.ThenumberofprivatecarsinChinareachedonehundredmillion.7.TheAutomobile