关于工程学类论文例文,与物理学之美相关论文格式模板

本论文是一篇关于工程学类论文格式模板,关于物理学之美相关毕业论文格式模板范文。免费优秀的关于工程学及生活质量及物理学方面论文范文资料,适合工程学论文写作的大学硕士及本科毕业论文开题报告范文和学术职称论文参考文献下载。

It’s2a.m.andI’mwideawake.One’ssenseoftimelapsesinthis1）subterraneanworldof2）opticslaboratoriesinthebasementoftheUniversityofToronto’sphysicsbuilding.

There’sa20-secondrhythmtothisexperiment,acarefullycontrolledsequenceof3）shuttersopeningandclosingforlaserbeams,ofmechanicalswitchessending4）electricalcurrentsto5）magicfieldcoils,ofgreenwaveformsappearingonthe6）oscilloscopescreenas7）radiofrequencyfieldsmanipulate.

Manypeoplehaveworkedtofillthisroomwiththemachinesnecessarytomakethese2,000atomsof8）rubidiumcoldenoughtoenterintothe9）quantummechanicalworld.Oncethere,theseatomsstopbehavingasindividualsandstartactingtogether,asifinamunity,inanewphaseofmatterwecalla10）Bose-Einsteincondensate.

Fourhoursago,IsawahintthatthisbehaviourcontinuedevenasIsplitthecloudintwopieces,andthat’sneat.ItmeansthequantummechanicsIteachtoundergraduatesreallyworks.AndIwanttoseemore.

IoftenwonderhowIcametobehere.Itwasn’t11）thestraightandnarrowpaththatmayseemobvioustoanyonewhoknowsmypast.Iwasprobablythebeststudentinmykindergartenclass.Igraduatedatthetopofmyjuniorhighclass,andagaininhighschool.SchoolwaswhatIwasgoodat,andmathandsciencewerewhatIlovedmost.Myfather’sinfluence,andthepracticalityofarealjob,ledmeintoengineeringasanundergraduate,whereIcontinuedtobebetteratwritingexamsthanmycolleagues.Igraduatedatthetopofmyclassatuniversity,too.

WhenIfinishedmyundergraduatestudies,Ifroze.Ididn’tknowwhattodowithmylife.I’ddoneexactlyeverythingI’deverhopedfor,whichwasgoingtouniversity.Twochoiceswerebeforeme：IcouldcontinuestudyingatthegraduatelevelorIcouldstartteachingothersabo

关于工程学类论文例文

Thefirst,Iknew,wouldsatisfymyhungerforlearning,thoughwouldleavemefeelinglikemytimewasspentinselfishpursuitofsomesmallpieceofknowledgethathadlittlebearingonthequalityofanyone’slife.Thesecond,Iknew,wouldberewardingandwouldallowmetobearolemodel,butIfearedIwouldbewastingsometalentIhadbeengiven.Thisconflict,thisdecision,12）paralyzedme,andintheendIdecidedtodonothing.Ihadn’tdonenothinginsuchalongtimeandawholeyearofitwaswhatIneeded.

Nothingwasn’tquitenothing.Ispentayearvolunteeringwithelementary-schoolstudentsinthemorningsandhomelesspeopleinthewinterevenings.Ialsoworkedpart-timeforafewmonthswithananizationdevotedtothepromotionofwomeninscienceandengineering.

Thechairofthisanizationwasanamazingwoman,aprofessornearretirementwhodevotedmuchofhertimetotheanizationandthepromotionofsciencetochildren,whilemaintaininganoutstandingreputationasascientistinherfield.ThoughIdidn’trealizeitatthetime,Ithinkitwasseeingthiswomanpursuingwhatsheloved,whilestillsharingherpassionandencouragingothers,thatkeepsmeinthelabat2a.m.onaThursday.

Thedecisionwasoneofthosefunnyones.IwassittinginmylivingroomonecoldJanuarynightduringmyyearofnothingnessandIjustknew.IknewIwantedtogotogradschool.Mychoicewasasclearthatdayasitcouldhavebeen,anditneverwaveredafterthatmoment.IsentinmyapplicationstotwoCanadianuniversities,Ichoseoneand,fiveyearslater,Ihaveamaster’sdegreeandamworkingonmy13）PhD.

ThequestionofwhetherwhatI’mdoingisusefulstillpokesitsheadouteveryonceinawhile.Butitdoesn’tbothermelikeitoncedid.I’verealized,asmystudiesdelvedeeperanddeeper,thatthesethingsareworthknowing,evenifI’mtheonlyonethateverknowsthem.

Physicsisworthknowingbecauseitisbeautiful.Itisthehiddensecretofthescientist.Wemayclaimtoberesearchingsometopicorotherbecauseitis“usefultosociety”oritwillrevolutionizesometechnologybut,moreoftenthannot,wearesimplyfascinatedbysomesmalldetailabouthowtheworldworksandwecan’tstopthinkingaboutituntilweunderstanditbetter.Weareconstantlyastoundedbythewayafewbasicprinciplesworktogethertoexplainsomanydifferentthings,andsitinwonderandaweatthebeautyoftheworld.Likeanartist,Iwanttosharethisbeautywithothers.Iwantthemtoknowwhatitistoseethroughmyeyes.

Andso,nowthatit’salmost3a.m.,thequestionofwhatI’mdoinghereisn’tsocurious.Myexperimentcontinuestoclickawayinits20-secondrhythm,asmyputerscollectdatarevealingthebehaviourofatinycloudofatoms,behaviourthatwillhelpmeunderstandthenatureofmyworld.Andifitdoesn’tquitework,mycolleagueswilleinandwe’lltryagaintomorrow.现在是凌晨两点,而我却很清醒.在多伦多大学物理楼地库光学实验室这个地下工作环境里,人的时间感会失效.

这项实验的时间节奏是20秒钟,一系列精密操控的实验包括：对应激光束的快门开合、机械开关对磁场线圈发送的电流、无线电射频场起作用时示波屏上显示的绿色波形.

很多人的努力之下,这个房间才得以布满各种必需的装置,让这2000个铷元素原子达到足够的冷却程度进入量子力学世界.一旦达到那个温度,这些

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