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Timetravel
HerearethreepartswewilltalkaboutTimetravelinTVshowsandsciencefictionsDifferentattitudestowardsTimeTravelIsTimeTravelpossible?
TimeTravelshowsThePalacewasoncepopularonHunanchannel,whichwasregardedasasummerblockbusterforhighaudiencerating.
步步惊心ZhangXiao,acontemporaryChineseyoungwomanfromthe21stcentury,accidentallytraveledbacktotheQingDynastyduringthereignoftheKangxiEmperorafterexperiencingadeadlytrafficaccident.
TimetravelinsciencefictionsInmanyworksoffantasyandsciencefiction,thetimemachineisjustamagicalplotdevice.Noactualscienceisthrownattheaudience.Afterall,youareprobablynotwatchinglifeonmars(《火星生活》)orterminatorsalvation(《终极者:救世主》)foralessonintheoreticalphysics.
Startrek(星际迷航)IfwelearnedanythingaboutthephysicsoftimeandspaceformRichardDonner‘1978filmSuperman,it‘sthatifyouflyaroundtheearthreallyfast,youcanreverseitsrotationandrollbacktime.Astoryaboutatimetouristnamed“Doctor”andhistimemachine“Tradis”DoctorWho(神秘博士)----byBBC
AccordingtotheStarTrekWiki,50episodesofthesixseriesfeaturedtimetravel,asdidfourofthe11films.TheStarTrekuniverseisfulloffantasticideas:alienswithrippledforeheads,holodecksandmoretimethanyoucanshakeastickat.
Astoryaboutatimetouristnamed“Doctor”andhistimemachine“Tradis”DoctorWho(神秘博士)----byBBCAccordingtotheStarTrekWiki,50episodesofthesixseriesfeaturedtimetravel,asdidfourofthe11films.TheStarTrekuniverseisfulloffantasticideas:alienswithrippledforeheads,holodecksandmoretimethanyoucanshakeastickat.Startrek(星际迷航)IfwelearnedanythingaboutthephysicsoftimeandspaceformRichardDonner‘1978filmSuperman,it‘sthatifyouflyaroundtheearthreallyfast,youcanreverseitsrotationandrollbacktime.
DifferentattitudestowardsTimeTravel●MostTimeTraveldramasarebasedontruehistoryandtheelementsaddedtothestoriesmakehistorymoreinterestingandattractive.●WhileothersarguethatTimeTraveldramastendtodistorthistory,whichmakesthehistoryaconfusion,especiallyabouttheYongzhengEmperor.SupportAgainst
●TimeTraveldramasprovidegreatentertainmenttoaudience.Sotheyarepopularamongteenagersandhousewives.DifferentattitudestowardsTimeTravel●TimeTraveldramasarereallyridiculousandtheyareareflectionofstodgyculture.supportagainst
DifferentattitudestowardsTimeTravel●TimeTravelshowsarefulloffantasticideas,whichexpressagreatdesiretoexplorethepasttime.AlthoughTimeTravelhasn’tbeenachievedinreallife,lotsofpeoplearestilladdictedtoit.●TimeTravelalwaysmisleadsteenagersintodreamingaboutsomethingimpossibleandlivinginadummyworld,whichhasabadeffectontheirdailylife.Supportagainst
●“Producersandwritersaretreatingserioushistoryinafrivolousway,whichshouldbynomeansbeencouragedanymore.”AccordingtoLiJingsheng,thedirectorofTheStateAdministrationofRadioFilmandTelevision.
Thisistheplacewherethetwostudentsendedtheirlives.
Thisistheplacewherethetwostudentsendedtheirlives.●ConsideringthatthenegativeeffectsofTimeTravelSeriesoverweighpositiveones,theStateAdministrationofRadioFilmandTelevisionhasbannedTimetravelseries.
HowtotreatTimeTravelSeries●WeshouldbalancetheadvantagesanddisadvantagesofTimeTravelSeries.●Ononehand,watchingtimetravelseriesissurelyagoodwaytohaveentertainmentduringthefreetimeandthefantasticstoriescanstimulateourimagination.●Ontheotherhand,weshouldn’tregardtheTVshowsasrealhistoryorrelatethecharactersindramastohistoricalfigures.Inshort,weshoulddevelopacorrectjudgmentaboutwhat’swrongandwhat’sright.
IsTimeTravelpossibleFromsummerblockbusterstosensationalscienceheadlines,moderncultureisconstantlyinundatedwithtalesofTimeTravel.?Butwhenyouboildownthephysicsinvolved,isitpossibletotravelthroughtime?
ThereisnodoubtthatAlbertEinsteinisoneofthemostauthoritativeonestoanswerthisquestion.Accordingtohistheoryofrelativity,speedandmassaretwomajorfactorsaffecttime.
◇FactorⅠ:speedAphenomenoncalledtimedilation(时间膨胀效应)isthekeyhere.Timepassesmoreslowlythecloseryouapproachthespeedoflight----anunbreakablecosmicspeedlimit.
◇FactorⅠ:speedAssuch,thehandsofaclockinaspeedingtrainwouldmovemoreslowlythanthoseinastationaryclock.Thedifferencewouldnotbehumanlynoticeable,butwhenthetrainispulledbackintothestation,thetwoclockswouldbeoffbybillionthsofasecond.Ifsuchatrainwouldattained99.9%lightspeed,onlyoneyearwouldpassonboardforevery223yearsbackthetrainstation.
◇FactorⅡ:massSpeedisn’ttheonlyfactorthataffecttime.Onmuchasmallerscale,massalsoinfluencetime.Timeslowsdownthecloseryouaretothecenterofamassiveobject.Forexample,aclockaboardanorbitingsatelliteexperiencetimedilationduetoboththespeedofitsorbitanditsgreaterdistancefromcenterofearth’sgravity.
AccordingtoEinstein’stheory,TimeTravelispossibletheoretically,butitcannotbeachievedintherealworld.Therearesomeotherevidencesforhisopinion.wormhole
AboutWormhole(虫洞)Wormholeisalittlebitlikeatunnelorshortcutbetweentwodistantpoints.Forexample,ifyouhadawormholehereinyourroomandyoujumpedthroughityouwouldn’tcomeoutonthestreet,you‘dmaybecomeoutontheothersideofthegalaxy.World-famousphysicistStephenHawkinghasproposedthatwormholeoccurringataquantumlevel(量子能级)couldtheoreticallyprovideafootholdfortimetravel.
SomepeopleholddifferentviewsForexample,imaginggoingbackintimeandyourkillyourownmother.Thenshe’dnevergivebirthtoyou,andjusthowwouldyouhavebeenabletotravelbackintimetocommitmatricideinthefirstplace?
AnumberofquestionsaboutTimeTravelremainunanswered.Willtimetouristsformthefutureevershowuptohelpusout?Wewilljusthavetowaitandsee.??
thankyou