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1、VOICEONE:ThisisShirleyGriffith.VOICETWO:AndthisisSteveEmberwiththeVOASpecialEnglishprogram,Explorations.Todaywetellaboutoneoftheworld'sgreatestscientists,IsaacNewton.(MUSIC)VOICEONE: IsaacNewtonMuchoftoday'sscienceofphysicsisbasedonNewton'sdiscoveryofthe
2、threelawsofmotionandhistheoryofgravity.Newtonalsodevelopedoneofthemostpowerfultoolsofmathematics.Itisthemethodwecallcalculus.Lateinhislife,Newtonsaidofhiswork:"IfIsawfurtherthanothermen,itwasbecauseIstoodontheshouldersofgiants."VOICETWO:Oneofthosegiantsw
3、asthegreatItalianscientist,Galileo.GalileodiedthesameyearNewtonwasborn.AnotherofthegiantswasthePolishscientistNicholasCopernicus.HelivedahundredyearsbeforeNewton.Copernicushadbegunascientificrevolution.Itledtoacompletelynewunderstandingofhowtheuniversewo
4、rked.GalileocontinuedandexpandedtheworkofCopernicus.IsaacNewtonbuiltontheideasofthesetwoscientistsandothers.Hefoundandprovedtheanswersforwhichtheysearched.(MUSIC)VOICEONE:IsaacNewtonwasborninWoolsthorpe,England,onDecembertwenty-fifth,sixteenforty-two.Hew
5、asbornearly.Hewasasmallbabyandveryweak.Nooneexpectedhimtosurvive.Buthesurprisedeveryone.Hehadoneofthemostpowerfulmindsinhistory.Andheliveduntilhewaseighty-four.Newton'sfatherdiedbeforehewasborn.Hismothermarriedagainafewyearslater.SheleftIsaacwithhisgrand
6、mother.Theboywasnotagoodstudent.Yethelikedtomakethings,suchaskitesandclocksandsimplemachines.VOICETWO:Newtonalsoenjoyedfindingnewwaystoanswerquestionsorsolveproblems.Asaboy,forexample,hedecidedtofindawaytomeasurethespeedofthewind.Onawindyday,hemeasuredho
7、wfarhecouldjumpwiththewindathisback.Thenhemeasuredhowfarhecouldjumpwiththewindinhisface.Fromthedifferencebetweenthetwojumps,hemadehisownmeasureofthestrengthofthewind.Strangely,Newtonbecameamuchbetterstudentafteraboykickedhiminthestomach.Theboywasoneofthe
8、beststudentsintheschool.Newtondecidedtogetevenbygettinghighermarksthantheboywhokickedhim.Inashorttime,Newtonbecamethetopstudentattheschool.VOICEONE:Newtonleftschooltohelponthefamilyfarm.Itsoonbecameclear,however,thattheboy
