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1、WangMF2014-4-8ScienceandTechnologyAreChangingOurLifeTherecanbenodoubtthatthetwentiethcenturyisoneofthemostremarkableinhumanhistoryforitspreviouslyunparalleledrateoftechnologicaladvancesandscientificdiscoveries,aratethatcontinuestothisday.Infact,there
2、weresomanynewtechnologiesinventedanddiscoveriesmadeinthelastcenturythatit’sdifficulttoparethelistdowntojusttheten.However,nowwelookbacktothoseteninnovationsortechnologiesthathavehadthegreatestinfluenceonhumanity—bothpositivelyandthenegatively.Nuclear
3、powerwastothetwentiethcenturywhatsteampowerhadbeentothenineteenth:agamechanger.Suddenlyhumanityhadapowersourcethatdidn’tpollute,wasefficientandpracticallyunlimited,andsohadthepotentialtochangetheplanetovernight.Unfortunately,itwasatwo-edgedswordintha
4、tthissameenergysourcecouldbeusedtocreatethemostdestructiveweaponsinhistory,threateninghumansurvivalwithitsverypresence. However,itishardtodenytheoverallpositiveimpactnuclearpowerhashad.Thefearofmutuallyassureddestructionprobablypreventedtheworldfrome
5、xperiencingathirdworldwar.10.NuclearPower10.NuclearPower10.NuclearPower10.NuclearPowerIt’sdifficulttoimagineourworldtodaywithoutcomputers.Ofcourse,theyhavebeenaroundsinceWorldWarTwo,buttheywereclunky,massivelyexpensivethingsthathadallthecalculatingpo
6、werofabrick.WhenSteveWozniakandStephenJobsintroducedtheApplein1976,however,itchangedeverythingandtherestis,astheysay,history.9.ThePersonalComputerJustasthelocomotivemadetheworldasmallerplaceinthenineteenthcentury,theairplanedidthesameforusinthetwenti
7、ethcentury,shrinkingourplanettothepointthatapersoncouldflyanywhereintheworldinamatterofhours.8.TheAirplane8.TheAirplaneThoughunderdevelopmentinEuropeduringthenineteenthcentury,theautomobiledidn’treallybecomeapracticalandreliablesourceoftransportation
8、untilthetwentiethcentury. 2013,China'sautomobileproductionandsalesbothmorethan20million,hasbeenreelectedforfiveconsecutiveyearsintheworld.ThenumberofprivatecarsinChinareachedonehundredmillion.7.TheAutomobileInthetwentiethcentury,rocketsbecamebiggeran
