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1、Weknowthefamousones Weknowthefamousones—theThomasEdisonsandtheAlexanderGrahamBells—butwhataboutthelessfamousinventors?Whataboutthepeoplewhoinventedthetrafficlightandthewindshieldwiper(雨刮器)?Shouldn’tweknowwhotheyare? JoanMcLeanthinksso.Infact,McLean,ap
2、rofessorofphysicsatMountainUniversityinRange,feelssostronglyaboutthismatterthatshe’sdevelopedacourseonthetopic.Inadditiontolearning“who”invented“what”,however,McLeanalsolikesherstudentstolearntheanswerstothe“why”and“how”questions.AccordingtoMcLean,“When
3、studentslearntheanswerstothesequestions,theyarebetterpreparedtorecognizeopportunitiesforinventingandmoremotivatedtogiveinventingatry.” Herstudentsagree.OneyoungmanwithapatentforanunbreakableumbrellaiswalkingproofofMcLean’sstatement.“IfIhadnotheardthest
4、oryofthewindshieldwiper’sinvention,”saidTommyLee,aseniorphysicsmajor,“Ineverwouldhavedreamedofturningmybadexperienceduringarainstormintosomethingsoconstructive.”Leeiscurrentlynegotiatingtosellhispatenttoanumbrellaproducer. So,justwhatisthestorybehindth
5、ewindshieldwiper?Well,MaryAndersoncameupwiththeideain1902afteravisittoNewYorkCity.Thedaywascoldandstormy,butAndersonstillwantedtoseethesights,soshejumpedaboardastreetcar.Noticingthatthedriverwasstrugglingtoseethroughthesnowcoveringthewindshield,shefound
6、herselfwonderingwhytherecouldn’tbeabuilt-indeviceforcleaningthewindow.StillwonderingaboutthiswhenshereturnedhometoBirmingham,Alabama,Andersonstarteddraftingoutsolutions.Oneofherideas,alever(操作杆)ontheinsideofavehiclethatwouldcontrolanarmontheoutside,beca
7、methefirstwindshieldwiper. Todaywebenefitfromcountlessinventionsandinnovations.It’shardtoimaginedrivingwithoutGarrettA.Morgan’strafficlight.It’sequallyimpossibletopictureaworldwithoutKatherineJ.Blodgett’sinnovationthatmakesglassinvisible.Canyoupicturel
8、ifewithoutclearwindowsandeyeglasses? 56.Bymentioning“trafficlight”and“windshieldwiper”,theauthorindicatesthatcountlessinventionsare________. A.beneficial,becausetheirinventorsarefamous B.beneficial,thoughtheirinventorsarelessf
